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03-P1a,Nev-89 PM 21.4121.7, 000.4 03223-IC0800 20.XX.400.200 PROJECT REPORT DaNxe� Bass aanfl TO SaCr Arng"ta �SEPA�RATIO�N TRUGKEE a a•"° _ DONNER CREEK BRIDGE E ELD DRIVE END CONSTRUCTION %®4t NE VA DA COUNrr C PL A CER DONNER CREEK UNDERPASS r / tit COUNTY BEGIN CONSTRUCTION mss., NO SCALE On Route 89 From WEST RIVER STREET To DEERFIELD DRIVE I have reviewed the right of way information contained in this Project Report and the RIW Data Sheet attached hereto, and f nd the data to be complete, current, and accurate: ZLZ2a�12 BRENDA L. SCHIMPF CHIEF,NORTH REGION RIGHT OF 4Y APPROVAL RECOMMENDED: SUKHWINDER BAJW , P.E., PMP PROJECT MANAGER APPROVED: JONES DATE STRICT DIRECTOR Project Report 03-P1a,Nev-89 April 2011 PM 2.1.4121.7, 0.0/0.4 03-1 C0800 This Project Report has been prepared under the direction of the following civil engineer. The registered civil engineer attests to the technical information contained herein and the engineering data upon which recommendations, conclusions, and decisions are based. REGISTERED CIVIL E GINEER DATE VVkOFESSIO �a Q Thomas Nell La 064882 Ev6130111 CIVIL �� OF CM1�� Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 Table of Contents Page SECTION 1: INTRODUCTION 1 SECTION 2: RECOMMENDATION 1 SECTION 3: BACKGROUND 2 3A Project History 3B Community Interaction 3C Existing Facility SECTION 4: NEED and PURPOSE 9 4A Problems, Deficiencies, Justification 413 Regional and System Planning 4C Traffic SECTION 5: ALTERNATIVES 14 5A Preferred Alternative 513 Rejected Alternatives SECTION 6: CONSIDERATIONS REQUIRING DISCUSSION 22 6A Hazardous Waste 613 Value Analysis 6C Resource Conservation 6D Right of Way Issues 6E Environmental Issues 6F Air Quality Conformity 6G Title VI Considerations 6H Noise Abatement Decision Report SECTION 7: OTHER CONSIDERATIONS AS APPROPRIATE 25 7A Public Hearing Process 713 Route Matters 7C Permits 7D Railroad Coordination 7E Cooperative Agreements 7F Other Agreements 7G Involvement with Navigable Waterway 7H Transportation Management Plan 7I Stage Construction 7J Accommodation of Oversized Loads 7K Graffiti Control 7L Surveys 7M Drainage 7N Storm Water Pollution Prevention 70 Maintenance Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 Page SECTION 8: PROGRAMMING 29 8A Project Support 8B Funding 8C Schedule SECTION 9: REVIEWS 29 SECTION 10: PROJECT PERSONNEL 30 SECTION 11: ATTACHMENTS 30 A Title Sheet B Typical Cross Sections C Layouts D Cost Estimate E Initial Study with Negative Declaration F Categorical Exclusion G Right of Way Data Sheet H Landscape Architecture Assessment Sheet I Storm Water Data Report J Programming Sheet Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 Section 1 INTRODUCTION It is proposed to improve non-motorized access to the highway by constructing a multi-use path along the east side of State Route 89 in the Town of Truckee between West River Street and Deerfield Drive. The project will significantly improve highway access by people with disabilities by providing an alternative to using the existing Donner Creek Underpass and will result in equivalent access to facilities, consistent with The Americans with Disabilities Act of 1990 (ADA). Cost was estimated at $5,490,000 on April 7, 2011, which includes $172,000 for right of way and utility relocation and $5,318,000 for construction. A funding source for design and construction has not been identified. This project has been assigned the Project Development Category 4B because it does not require substantial new right of way and does not substantially increase traffic capacity. This preferred alternative is to construct a multi-use path along the east side of State Route 89 between West River Street and Deerfield Drive. The multi-use path is proposed as a 10-foot wide concrete surfaced shared-use facility separated from motor vehicle traffic that supports multiple recreation opportunities, such as walking or bicycling. This proposal includes construction of a new underpass (tunnel)just east of the existing grade separation (Donner Creek Underpass, Bridge Number 17-0016), construction of multiple retaining walls, adding a bus turnout, constructing a trail with asphalt concrete surfacing, reconstruction of a median island, and traffic signal modifications. Section 2 RECOMMENDATION It is recommended that the project be approved using the preferred alternative and that the project proceed to the next phase. The affected local agencies have been consulted with respect to the recommended plan and their views have been considered. The local agencies are in general accord with the plan as presented. 1 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 Section 3 BACKGROUND SECTION 3A: Project History Feasibility Analysis Report A Feasibility Analysis Report was prepared in June 1997 for the Nevada County Transportation Commission by Nolte and Associates, Inc. to develop a plan to alleviate vehicular traffic congestion, vehicle/bicycle conflicts, and impaired overhead clearance at the State Route 89 underpass of the Union Pacific Railroad (UPRR) main line tracks in Truckee, California. This study considered five alternatives: (1) Pedestrian/Bicycle Tunnel east of the existing structure (2) Second Tunnel for southbound traffic (3) New underpass using "Top-Down" construction (4) New underpass using a railroad shoofly (5) Modify the existing Donner Creek Culvert for pedestrian/bicycle use The study identified several major disadvantages with modifying the existing Donner Creek Culvert and eliminated it from the list of primary alternatives. The study deemed the other four alternatives viable. Proiect Study Report(Project Development Support Only) A Project Study Report (Project Development Support Only) was prepared in June 2002 by Caltrans that considered replacement and expansion of the existing underpass to accommodate four lanes of traffic with standard shoulders. The study considered three alternatives: (1) New underpass with railroad realignment; (2) New underpass using "Top Down" construction; (3) Second Tunnel for southbound traffic. Begin Proiect Approval & Environmental Document Phase Caltrans began environmental studies for the Project Approval & Environmental Document (PA&ED) phase of the project in 2006. The initial goal was to identify and develop alternatives that would provide a long-term solution for the Donner Creek Underpass. The project development team developed conceptual plans and cost estimates for three alternatives: (1) Alternative A (New underpass with railroad realignment) (2) Alternative B (New underpass using a railroad shoofly) (3) Alternative C (New Tunnel(s)) 2 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 Alternative A (New underpass with railroad realignment) This alternative proposed a new underpass structure for the railroad located north of the existing underpass. The alternative considered two underpass structure variations, comparing structure lengths to span either the highway alone or the highway and Donner Creek, both using a structure width sufficient to accommodate a railroad access road or a future third railroad track. The scope of highway work proposed widening the roadbed between West River Street and Deerfield Drive to accommodate four lanes of traffic, a median, and provide for sidewalks adjacent to the highway. The existing underpass would be demolished after completion of railroad realignment and a portion of the existing railroad embankment would be removed for the highway widening. Developing this alternative identified an unforeseen engineering challenge of realigning the railroad without significant right of way encroachment into the Crossroads Shopping Center to the north. This alternative would also need to identify a strategy on how to address placement and/or removal of the railroad embankment in Donner Creek. The preliminary construction cost estimate for Alternative A was $36M to $53M in December 2007. Alternative B (New underpass using a railroad shoofly) This alternative proposed a new underpass structure by constructing a railroad shoofly to the north of the existing underpass. The shoofly would require the temporary realignment of approximately '/z-mile of the UPRR track bed, including a temporary structure to span Donner Creek. After shifting railroad traffic to the shoofly, the existing underpass would be demolished and a replacement structure to span the highway constructed. The replacement underpass would have width sufficient to accommodate the two existing tracks only. Similar to Alternative A, the scope of highway work proposed widening the roadbed between West River Street and Deerfield Drive to accommodate four lanes of traffic, a median, and provide for sidewalks adjacent to the highway. The shoofly would be removed after completion of the new underpass. Developing this alternative identified that the encroachment into the Crossroads Shopping Center could be eliminated by increasing degree of curvature for the shoofly beyond existing track conditions. It also identified the significant role of structure width of both temporary and permanent structures on estimating construction costs for all alternatives. The preliminary construction cost estimate for Alternative B was $36M to $40M in December 2007. Alternative C (New Tunnel(s)) This alternative proposed adding two new tunnels through the railroad embankment. A pedestrian tunnel would be jack and bored on the east side of the existing underpass and a southbound tunnel would be jack and bored just west of the existing underpass. Similar to other alternatives, the scope of highway work proposed widening between West River Street and Deerfield Drive to accommodate four lanes of traffic and provide sidewalks adjacent to the highway. Unlike Alternatives A and B, this alternative has the potential for geometric alignment issues associated with the lowered highway profile of the new southbound tunnel, did not resolve 3 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 geometric issues associated with the continued use of the existing underpass, and did not mitigate potential issues associated with northbound bicycle traffic. The preliminary construction cost estimate for Alternative C was $60M in December 2007. Preliminary Analysis of PA&ED Alternatives The project engineer conducted a preliminary comparison of the three alternatives in November 2007. It characterized all three alternatives as probably being feasible to construct. The comparison contrasted various aspects of the associated railroad and highway engineering, noting that it was premature to characterize all related environmental impacts. There was a tendency of increased design risk associated with alternatives that had more railroad engineering. Value Analysis A value analysis started in February 2008 with the objective to provide both interim and long- term solutions for the underpass. The team included members experienced in both tunneling and grade separation structures. The team's interim solution was to first simply signalize the existing underpass to provide for bike and pedestrians using the travel lanes. Then, if and when this low cost solution causes excessive operational impacts, a second phase of a separate pedestrian tunnel can be added. The preferred alternative of this report reflects the development of a value analysis proposal for a separate pedestrian tunnel. Change in Scope By May 2009, the consensus was that a change in project scope was prudent. Completing the Project Approval & Environmental Document phase for the long-term solution for the Donner Creek Underpass would require at least one more year of environmental review and would reduce existing funds available for construction. Without a funding source identified for construction of the long-term solution, the project development team, at the request of local community leaders and representatives, agreed to change the scope of the project to the scope identified in this Project Report. Concurrent Interim Improvements During the 2010 construction season, a separate project intended to improve pedestrian access at the Donner Creek Underpass was completed(Expenditure Authorization 03-4E610). The project scope included upgrading the flashing yellow beacons with pedestrian activation and providing tunnel lighting. Initiation of this project was a result of the Value Analysis team recommendations. 4 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 SECTION 3B: Community Interaction There is no known opposition to this project. Caltrans conducted an open house on September 27, 2006 at the Town Hall in the Town of Truckee. The project development team afforded the public an opportunity to comment on purpose and need, scope, potential alternatives, and assist in identification of special interest groups and concerns. Forty-six people visited the open house, with twenty-six providing comments. The comments provided were typically about the project location and which alternative the participants thought would be their preferred choice. Caltrans Environmental conducted a public outreach meeting with residents of the Donner Creek Mobile Home Park on June 27, 2007. The meeting targeted residents of the mobile home park because they constitute the majority of pedestrians that use the existing underpass. The Town of Truckee established a "Mousehole Stakeholders Committee" in August 2007. Membership included Town of Truckee engineering staff on the project development team and a variety of local community representatives. The committee routinely met to review the project development progress and provide input from a local perspective. The Town of Truckee held a public meeting in conjunction with a Town Council meeting on February 17, 2011 to review the Draft Environmental Document and the project proposal. Comments from the meeting are discussed in the Initial Study with Negative Declaration (Attachment E). 5 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 SECTION 3C: Existing Facility Summary This segment of State Route 89 connects Interstate 80 and the Town of Truckee with the Tahoe Basin's North/West Shore as well as regional recreation facilities, including Squaw Valley and Alpine Meadows ski areas. This segment is also a primary link within the local road network of the Town of Truckee. State Route 89 is a two-lane rural conventional highway south of the West River Street signalized intersection. Two northbound lanes are provided through the intersection, but merge into one lane prior to the underpass. The highway widens to two through lanes in each direction just north of the Donner Creek Underpass (Bridge Number 17-0016), with another traffic signal at the Deerfield Drive intersection. Sidewalks are located adjacent to the Deerfield Drive intersection only. Bicycles and pedestrians must otherwise use the highway shoulder area. Bus stops are available in both directions on both sides of the underpass. Between the two intersections, two tracks of the Union Pacific Railroad sit atop a 30-foot high embankment that traverses the state highway as the tracks descend to the rail yard to the east. The Donner Creek Underpass provides a grade separation between the railroad and highway. Recently completed construction activity The summary below identifies recent projects within and adjacent to the project limits influencing project development. (1) Signalization of the West River Street Intersection (2004) (2) Roundabouts at the I-80/SR-89 Interchange (2006) (3) Sierra College Annex Driveway (2008) (4) Bus Turnout with kiosk at the Deerfield Drive Intersection (2009) (5) Underpass Improvements (Bridge Number 17-0016) (2010) Existing capacity adequacy Donner Creek Underpass creates a "bottleneck" for regional traffic, with gridlock particularly evident for Truckee and Tahoe residents on Sunday afternoons at the end of the ski day, or the last day of holiday weekends. The highest directional traffic volumes occur on Sundays during the ski season in the northbound direction when traffic can stack up for miles to the south of the West River Street intersection. At the underpass, which is 25 feet wide and 70 feet long, pedestrians and bicyclists share the facility and may cause drivers to swerve, slow down, or stop — which reduces roadway capacity. Previous studies have indicated that roadway capacity could increase by approximately 5 percent by eliminating pedestrian activity in the underpass. However, total roadway capacity would still be less than existing peak traffic demand. 6 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 Existing highway geometrics With the exception of the highway near the Donner Creek Underpass, the following highway geometries are typical of the project limits: (1) Lane widths = 12' (2) Outside shoulder widths = 8' (3) Inside shoulder width(adjacent to curbed median north of underpass) _<2' (4) Horizontal curve radius: 1510'/1122' (compound) south of underpass; 1300' north of underpass (5) Grade = +3.2% to -2.3% (6) Superelevation=4% to 8% (varies) Existing Donner Creek Underpass (Br# 17-0016) The U.S. Bureau of Public Roads constructed the underpass in 1929 to convey the Truckee- Meyers Forest Highway (the predecessor of State Route 89). It is a concrete arch on spread footings conveying two lanes of traffic without shoulders. The structure is 25' wide and has a vertical clearance of 14'. Based on research conducted during the Feasibility Analysis, construction of the concrete arch structure was probably under a temporary trestle. Fill was placed around and over the structure. When the fill reached the design grade, the trestle superstructure was removed, leaving the trestle piles in the fill. Therefore, original timber piling is anticipated to be located in the railroad embankment within 60' of the underpass. Existing non-motorized facilities At the south end of the project limits (south of the West River Street intersection), State Route 89 is signed as a bike route (Class III Bikeway). There are no pedestrian facilities south of West River Street. At the north end of the project limits (north of Donner Creek Bridge (Bridge #17-15 L&R)), there is a Class 1 pedestrian/bike path (10-foot width with concrete surfacing) on both sides to the roadway that extends north to Donner Pass Road. Within the project limits, sidewalks with curb ramps are provided at the Deerfield Drive intersection. This provides pedestrian interconnectivity with: (1) the Sierra College Annex and Donner Pass Road via sidewalk along the east side of the highway, (2) sidewalks along Deerfield Drive, (3) a bus stop with kiosk located southwest of the intersection, and (4) commercial destinations located west of the intersection. Elsewhere within the project limits, pedestrians must use the highway shoulders and embankment. The signalized intersection at West River Street has crosswalks, but curb ramp access to the pedestrian signal push buttons is not provided. For bicycle traffic within the project limits, the roadway between West River Street and Deerfield Drive is a shared roadway(no bikeway designation). At the Donner Creek Underpass, both pedestrians and bicycles must share the roadway with motorists. 7 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 Existing structural section condition Data from the 2008 Pavement Condition Survey Inventory: International Location (Direction) Roughness Index Defect Pla-89 PM 20.00 to PM 21.00 (Both) 64 No distress observed Pla-89 PM 21.00 to PM 21.67 (Both) 106 No distress observed Nev-89 PM 0.00 to PM 0.385 (Both) 186 High ABC Nev-89 PM 0.00 to PM 0.385 (NB) 210 Low A, low B Existing drainage facilities The summary below does not include drainage facilities at the intersection with Deerfield Drive. (1) 48"x 107' Corrugated Metal Pipe Culvert(Station"Al" 193+12) (2) 18" x 109' Corrugated Metal Pipe Culvert(Station"A2" 301+97) with inlet (3) 24" x 101' Corrugated Metal Pipe Culvert(Station"A2" 307+30) (4) Asphalt Concrete Dike - Type A (Station "A2" 304+50 to 308+89 (NB)) (5) Asphalt Concrete Dike - Type A (Station "A2" 311+17 to 313+50 (NB)) Existing right of way The existing right of way width varies between 250 and 300 feet between the West River Street and Deerfield Drive intersections. There is no access control. Caltrans has an easement with Union Pacific Railroad as the highway crosses the 400-foot railroad right of way. 8 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 Section 4 PURPOSE AND NEED SECTION 4A: Problems, Deficiencies, Justification The purpose of this project is to improve access to the highway by providing a separate pedestrian/bicycle grade separation (tunnel) as the highway crosses the Union Pacific Railroad tracks. This will allow extending the existing pedestrian/bicycle facility located north of Deerfield Drive to the south to West River Street along the east side of the highway. This project will result in improving access for all individuals, regardless of disability, consistent with the goals of The Americans with Disabilities Act of 1990 (ADA). The need for this project is because over time, adjacent land development along the highway has resulted in regular pedestrian movement between residential destinations to the south and commercial destinations to the north of the underpass — along a section of highway where separate pedestrian facilities do not exist. Pedestrians currently walk along the paved highway shoulders or roadside embankment — except at the existing underpass — where a pedestrian selects between walking through the 25-foot wide underpass for 140 feet or so, or walk over the 30-foot high railroad embankment. It is not reasonable to expect a pedestrian with a disability to be able to traverse the existing underpass. Problem The two tracks of the Union Pacific Railroad sit atop a 30-foot high embankment that traverses the state highway as the tracks descend to the rail yard to the east. Together with the area topography, the height of the railroad embankment effectively limits both mobility and opportunities for new grade separation construction. The existing grade separation is a functionally obsolete 25-foot wide underpass known locally as the "Mousehole." The underpass currently accommodates one traffic lane in each direction without shoulders, requiring all roadway users to share the roadway, including trucks, buses, emergency vehicles, pedestrians, and bicyclists. The only practical alternative available for roadway users to avoid using this underpass is to travel east on West River Street, a detour exceeding 2 miles. The existing corridor does not have separate pedestrian or bicycle facilities between West River Street and Deerfield Drive. Integrated access to existing bus stops that provides access for all individuals, regardless of disability, is not provided for all bus stops. Deficiencies The existing underpass is not wide enough to accommodate the needs of all travelers along the highway. The underpass currently accommodates motorized traffic generated by two northbound approach traffic lanes and two southbound approach traffic lanes, local pedestrian and bicycle traffic travelling from residential areas located south of the railroad tracks to schools and businesses located north of the railroad tracks, and recreational bicyclists utilizing the corridor for the numerous destinations within the area. 9 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 Justification The existing underpass is the current limiting feature in improving overall access and mobility along the highway. Underpass replacement costs are estimated at $36M to $62M, exceeding available resources. Lower cost alternatives that result in improving mobility and access to the highway should be considered. Providing a new multi-use path along the east side of the highway would: (1) Improve access to the highway by providing pedestrians and bicyclists an alternative to using the existing Donner Creek Underpass; (2) Improve access to the highway by people with disabilities by providing an alternative to using the existing Donner Creek Underpass; (3) Improve access to the highway by providing equivalent access for all individuals, regardless of disability, to the maximum extent feasible (consistent with Caltrans policy to comply with The Americans with Disabilities Act of 1990 (ADA) and California Government Code 4450 et seq); (4) Provide a context sensitive solution to a transportation deficiency by extending the existing 10-foot pedestrian/bicycle path between Deerfield Drive and Donner Pass Road to the south to West River Street; (5) Provide connectivity for non-motorized users between adjacent residential and commercial destinations; (6) Provide compatibility with planned networks for bicycle travel by local and regional planning agencies; Provide reasonable probability of compatibility with a future "ultimate" solution for the existing Donner Creek Underpass 10 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 SECTION 413: Regional and System Planning Systems This segment of State Route 89 is part of the following systems: (1) State Highway System (non-NHS) (2) Interregional Road System (3) Terminal Access on the STAA network (4) Highway segment eligible for designation as scenic highway State Planning: The following state planning documents were considered: (1) State Route 89 Transportation Concept Report (TCR) dated August 2001. The project is located primarily in Segment 6. The existing facility (two- and four-lane conventional highway) is also the concept and ultimate facility. (2) Caltrans District 3 Mobility Action Plan (draft) dated October 2009. The draft document does not identify any planned or existing park and ride or rest area facilities in or adjacent to the project limits. Regional Planning: The following regional planning document was considered: (1) Regional Transportation Plan dated January 10, 2006. The Nevada County Transportation Commission (NCTC) is the Regional Planning Agency (RTPA) for Nevada County. The Regional Transportation Improvement Program (RTIP) identified widening of the underpass as a program priority for eastern Nevada County. Local Planning: The following local planning documents were considered: (1) Town of Truckee Trails & Bikeways Master Plan dated May 2007. State Route 89 between West River Street and Interstate 80 was identified as a candidate for improvement to Class II bike lanes as part of the Town of Truckee Master Plan. Additionally, the plan proposes connecting recreational trails to both the east and west of this highway segment. The plan did not identify how the recreational trails were to cross the existing UPRR right of way adjacent to this highway segment. (2) Placer County Regional Bikeway Plan dated September 24, 2002. The project limits are located adjacent to Area 13: North Lake Tahoe Area. There is currently an existing Class I facility on State Route 89 to the south between Squaw Valley Road and the SR- 89/SR-28 Intersection. The plan identifies a proposal to upgrade the 12 miles of State Route 89 between Squaw Valley Road and the Town of Truckee to a Class H facility. 11 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 Transit Operator Planning There are four existing bus stops within the project limits. Tahoe Area Regional Transit (TART), a service provided by Placer County, operates the bus stops. (1) (Northbound) The bus stop is located south of the underpass and just north of the driveway to the Donner Creek Mobile Home Park. The bus stop is located on an unimproved widened shoulder area. A connecting pedestrian facility is not provided. (2) (Northbound) The bus stop is located just north of the intersection with Deerfield Drive, providing access to the Sierra College Annex to the east. The bus stop was improved in 2008 with a turnout and connecting sidewalk. (3) (Southbound) The bus stop is located just south of the intersection with Deerfield Drive, providing access to the Sierra College Annex to the east and Crossroads Shopping Center to the west. The bus stop was improved in 2009 with a turnout, kiosk, and connecting sidewalk. (4) (Southbound) The bus stop is located south of the underpass and between the West River Street intersection and the driveway to the Donner Creek Mobile Home Park. The bus stop is located on an unimproved widened shoulder area. A connecting pedestrian facility is not provided. 12 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 SECTION 4C: Traffic (Construct) (+10) (+20) Current and Forecasted Traffic 2008 2012 2022 2032 Annual Average Daily Traffic (AADT) 11,200 12,500 15,900 19,300 Peak Month Average Daily Traffic (ADT) 17,600 Peak Hour 1,550 1,730 2,190 2,660 Peak Hour Directional Split Percent 65 Truck Percent 5.0 5.0 Equivalent Single Axle Load (ESAL) 730,000 1,450,000 Traffic Index 8.5 9.5 Note: Forecasted traffic data provided by Caltrans District 3 Office of Travel Forecasting and Modeling. Collision Analysis The review of the collision history considered the two signalized intersections, underpass, and overall highway. The database used was the Traffic Accident Surveillance and Analysis System (TASAS) - Transportation Systems Network (TSN) for the three-year period from 4/1/06 to 3/31/09. The actual collision rate for all categories was below the statewide average for similar facilities. There were no collisions involving pedestrians or bicycles, or collisions with a motorist avoiding a pedestrian or bicycle. The analysis did not identify a readily detectable pattern of collisions that might be subject to correction with this project proposal. This project reduces the potential for collisions within the project limits involving pedestrians and bicycles. It provides an alternative for pedestrians and bicyclists to using the existing underpass. It also encourages pedestrians to avoid walking along the shoulder area of the highway. 13 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 Section 5 ALTERNATIVES SECTION 5A: Preferred Alternative The preferred alternative is to construct a multi-use path along the east side of State Route 89 between West River Street and Deerfield Drive. This is a Value Analysis team recommendation. Description of Preferred Alternative Starting the description from the south end of the project, the multi-use path (MUP) will begin just north of the West River Street intersection. For the ± 600' between West River Street and the Donner Creek Mobile Home Park driveway, the 10' wide MUP will be placed immediately behind an Al-6 curb. This is the high side of the roadway superelevation. The existing shoulder area width becomes insufficient for the MUP approximately 200' north of the intersection, necessitating a 4' to 8' high retaining wall for± 325'. The existing driveway to Donner Creek Mobile Home Park will be reconstructed in order to maintain cross slope requirements of the MUP. Between the driveway and the underpass, the MUP will also be immediately behind an Al-6 curb. However, the existing paved shoulder will be widened to accommodate a turnout to improve the existing bus stop. In addition to the MUP, a separate trail is proposed between the driveway and the underpass. This trail will replace an existing trail and conform to ADA access standards within the State right of way. North of the bus turnout, the MUP will separate from the highway shoulder and align to the new underpass. The new MUP underpass will be on a parallel alignment to the existing underpass, constructed as close to the existing underpass as conditions will allow (currently estimated at 53' on center). Preliminary tunnel dimensions are 12' wide x 10' high x 121' long. Use of tunnel lighting is recommended. North of the new MUP underpass, the MUP alignment is offset significantly from the highway and encroaches into the roadside embankment. Maintaining the MUP alignment without a sharp curve necessitates a retaining wall, estimated at 6' to 16' high for± 525'. Existing roadside dike will be replaced with an A2-6 curb and gutter, resulting in roadway widening of 2'. A 5' separation between the roadway and MUP is included for improving safety, storm water quality, user experience, and compatibility with future improvements. Adjacent to the raised median island in front of the entrance to the Crossroads Shopping Center, the terrain allows the MUP alignment to increase the separation distance from the highway from 5' to ± 23'. Maintaining the existing ± 180' dike opening will promote creation of a basin area, enhancing both visual esthetics and storm water management. The existing surfacing of the adjacent raised median island will be replaced. The new MUP will then tie-in with the existing 10' sidewalk at the Deerfield Street intersection to the north. This will require that the existing 6' high retaining wall be extended south for approximately ± 225'. The existing traffic signal poles and loop detector pull boxes at the Deerfield Drive intersection in conflict with the project will require relocation. 14 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 Proposed Engineering Features (1) Multi-Use Path (MUP) The multi-use path (MUP) will extend the existing sidewalk at Deerfield Drive south to West River Street. It will resemble in appearance the existing sidewalk. The design shall conform to the accessibility requirements of The Americans with Disabilities Act of 1990 (ADA) and Section 4450 of the California Government Code. The design should adopt the geometric principles of a Class 1 bikeway (Chapter 1000 of the Highway Design Manual) wherever practical, but recognize that the MUP is not a bikeway but a shared use facility. The proposed structural section is 0.33' PCC over 1.20' Class 2 AB. The proposed 1.5' depth mitigates for frost heave. It may be possible to reduce construction costs in the design phase by comparing the life cycle behavior of the recently constructed adjacent sidewalks and paths (0.50' PCC over native and 0.33' PCC over 0.33' Class 2 AB). (2) Multi-Use Path (MUP) Tunnel The preliminary engineering features for the MUP Tunnel are described in the following documents: • Phased Tunnel Construction APS Technical Memorandum dated June 25, 2009 prepared by HDR, Inc. This document includes a Geotechnical Report Preliminary Assessment dated June 12, 2009 prepared by Shannon&Wilson, Inc. • Multi-use Path Tunnel Construction APS Technical Memorandum dated August 25, 2009 prepared by HDR, Inc. TOP—OF—RAIL TOP—OF—PARAPET 5921.00 S. SIDE 5920.83 N. SIDE r� PER CALTRANS TOPO I 53' I 21' 20.25' 12' PER 2007 BIRIS LANE 12' • _-' 1'-2" typ. LANE I EX RD SURFACE 25' ° EL. 5894.8+/— NEW 12'W X 10'H X 1211 ° e MULTI—USE PATH TUNNEL N/S BOUND EXISTING TUNNEL Figure 1 MUP TUNNEL TYPICAL SECTION—Facing North (Extracted from Sheet X-1, MUP Tunnel APS) 15 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 C 5930 5` rEc ssr�x_ sr NORTH PORTAL—, 5920 5910 5900 -" EL.5894.8+/- _ 5890 121• 12'W X 10'H JACKED PEDESTRIAN TUNNEL Figure 2 MUP TUNNEL ELEVATION VIEW—Facing East (Extracted from Sheet X-1, MUP Tunnel APS) Summary of the preliminary engineering features for the MUP Tunnel: • Required Use Dimensions: 12' wide x 10' high x 121' long • Preferred tunneling option: Jacked Rectangular Concrete Box • Thrust reaction: estimate 290 to 860 tons; requiring 6 to 20 H-piles (12 x 89) • Railroad Track Settlement: estimated at 0.5" to 2.0" (with good workmanship) • Provide tunnel lighting • Construction Cost Estimate: $2,050,000 (including 25% contingency) (3/2011) (3) Trail An existing gravel base pedestrian trail is located partially within State right of way just north of the Donner Creek Mobile Home driveway. This trail appears to be well used as it proceeds north toward the underpass for approximately 200'. This trail does not provide ADA compliant access at both ends of the trail. A record search did not find trail construction records in either department as-builts or encroachment permit files. The adjacent driveway currently has a 10% grade within State right of way. The replacement trail will facilitate ADA compliant access between the mobile home park driveway area and the multi-use path. A proposed length of approximately 300' accommodates the 5% maximum grade requirement for ADA compliant access. The proposed structural section is 0.25' HMA-A over 1.25' Class 2 base with a 5' width. The new trail should be located in approximately the same area as the existing gravel base trail but utilize the existing highway embankment for grade. (4) Bus turnout An existing northbound bus stop is located immediately north of the Donner Creek Mobile Home Park driveway. It is proposed to relocate the existing bus stop 200' to the north and provide a bus turnout. The design should use the 45' bus and motorhome design vehicle. The proposed structural section is 0.90' Jointed Plain Concrete Pavement (JPCP) over 1.00' Class 2 AB. 16 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 (5) Retaining Walls Three retaining walls are proposed. Wall#1 Purpose: Minimize drainage impacts, tree removal, and right of way encroachment Location: Between West River Street and Mobile Home Park Driveway ("Al" 194+25 and "Al" 197+50) Length: 325' Height: 4' to 8' Wall Type: Type 5 (Standard Plan) Railing: Special (See LAAS —Attachment H) Other: Aesthetic treatment of wall face Wall#2 Purpose: Minimize encroachment into riparian habitation along Donner Creek Location: North of new MUP Tunnel ("A2" 303+55 and "AT' 309+00) Length: 530' Height: 6' to 16' Wall Type: Type 1 (Standard Plan) or 5' x 5' Mechanically Stabilized Embankment Wall Railing: Special (See LAAS —Attachment H) Other: Aesthetic treatment of wall face. Wall#3 Purpose: Extend existing wall and minimize floodplain encroachment along Donner Creek Location: South of Deerfield Drive intersection ("A2" 310+80 and "A2" 313+60) Length: 250' Height: 4' to 6' Wall Type: Type 5 (Standard Plan) Railing: Special (See LAAS —Attachment H) Other: Aesthetic treatment of wall face; rock slope protection at base. Construction requires relocation of traffic signal poles at Deerfield Drive intersection. (6) Resurface Median Island It is proposed to reconstruct the surface of the raised median island south of the Deerfield intersection using a stamped colored concrete treatment. Resultant appearance can be similar with recently completed projects in the corridor between Deerfield Drive and Junction I-80. (7) Modify Traffic Signal (Deerfield Drive) It is proposed to relocate existing traffic signal poles in conflict with extending retaining wall #3 to the south. The existing pull boxes for the traffic signal loops for the northbound approach to the traffic signal are in conflict with multi-use path construction and will require relocation. 17 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 Nonstandard Mandatory and Advisory Design Features The preferred alternative does not require nonstandard mandatory or advisory design features. The replacement of existing dike between Station "A2" 304+50 and Station "A2" 313+50 with an A2-6 curb with 24" gutter will facilitate future compliance with mandatory standard HDM 302.1 for left paved shoulders with curbed medians. The standard requires a minimum 2' paved shoulder where<2' currently exists. Utilities The following utilities are present within the project limits based upon a review of department encroachment permits, field reviews, and facility maps. Positive utility locations for underground utilities were not conducted and should be conducted during the design phase. (1) 8" A 4") Natural Gas Line(Southwest Gas) Relocation and/or protection need anticipated. Recommend positive location determination during the design phase. An 8" steel gas main from West River Street to Deerfield Drive was constructed in 1996. A separate recently constructed 4" gas line crosses the highway just south of Deerfield Drive. Typical depth is 4 to 6 feet. The gas main was bored through the railroad embankment at the approximate location of the new MUP tunnel. The anticipated gas line construction conflict is along the east side of the highway from just north of West River Street (not including the highway crossing just north of the intersection) to the west side of the highway just north of the underpass and along the east side of the highway just south of Deerfield Drive. This includes the 2" distribution line located along the driveway to Donner Creek Mobile Home Park. (2) 12"Water Line(Truckee Donner PUD) Relocation and/or protection need to be determined during the design phase. Recommend positive location determination during the design phase. A 12" asbestos-cement water pipeline was constructed in 1980 along a similar alignment as the gas line, except traversing the railroad embankment through the existing underpass. Approximately 450 feet of the pipe located north of West River Street was reconstructed in 2001 using ductile iron pipe. Typical depth is 4 feet. A separate recently constructed 12" water line crosses the highway just south of Deerfield Drive. The anticipated water line construction conflict is similar to the gas line, from just north of West River Street to just south of the underpass and along the east side of the highway just south of Deerfield Drive. (3) Overhead Electrical Service Lines (Truckee Donner PUD) Relocation need anticipated. A 240 V service line supplies power to the Caltrans flashing beacon for the underpass facing northbound traffic and the Union Pacific Signal House (both metered with utility poles). Also, a luminaire located just south of the Donner Creek Mobile Home Park is attached to a tree that will be removed. These electrical services are anticipated to be in conflict with construction of this project. 18 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 (4) 8"Petroleum Products Pipeline (Kinder Morgan) Relocation and/or protection need to be determined during the design phase. Recommend positive location determination during the design phase. An 8" high pressure refined petroleum products pipeline traverses the highway just south of the underpass. The pipeline has double casing (30" for 50' and 12" for 60'). The pipeline appears to be located in current State right of way. A location acknowledgement by the utility owner was not obtained nor a historical encroachment permit found. The pipeline is located approximately 90 to 100 feet south of the MUP Tunnel portal. The pipeline relocation need and/or protection strategy should be developed during the design phase with the utility owner. (5) Railroad signal house(Union Pacific Railroad) Relocation need anticipated. A 6' by 8' railroad signal house is located south of the underpass immediately in front of the proposed location for the new MUP tunnel. (6) Railroad utility pole(Union Pacific Railroad) Relocation need anticipated. Currently, there are utility poles within the Union Pacific Railroad right of way located along the south side of the railroad tracks. One of these utility poles is located immediately in front of the proposed location for the new MUP tunnel. This utility pole appears related to the telecommunication lines located with the railroad right of way. (7) Telecommunications (Verizon) Relocation and/or protection need to be determined during the design phase. There are two telecommunication lines located with the railroad right of way that follow the railroad alignment. An underground fiber optic line is located immediately south of the southern most rail along the top of the railroad embankment. Depth is unknown. A second overhead telecommunication line traverses the highway south of the underpass and appears to go underground at the UPRR utility pole located immediately in front of the proposed location for the new MUP tunnel. These assumptions should be verified during the design phase. (8) Other Utilities (AT&T/Sierra Pacific Resources) AT&T and Sierra Pacific Resources have utilities within the project limits that do not appear to be impacted by this project. No relocation and/or protection need is anticipated. This assumption should be verified during the design phase. Railroad Involvement The proposed project is located under the Union Pacific Railroad Company's Roseville California to Ogden Utah double mainline tracks at MPM 204.63 Roseville Subdivision. The project is situated just west of the Truckee switching and maintenance yard. The railroad track currently has up to 36 east and west freight trains and 2 passenger trains per 24 hour period. Amtrak passenger trains run on published schedules while freight trains do not. 19 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 Union Pacific Railroad Company has stated that both mainline tracks must remain in service during construction with no shoofly (detour) routes proposed. If work windows are required, they will be short and limited to one to two nights per week. Due to the sporadic nature of train movements through the proposed work zone, it is anticipated that a contractor's operation will be suspended temporarily while a train clears the work zone under a "Form B" Railroad Protective Flagging Order. Anticipated documents and agreements required for this project include: (1) Construction & Maintenance Agreement(CM A C&M Agreement is required between the lead agency responsible for the project and the railroad. The document will identify responsibility for costs, construction, and maintenance of the proposed structure. Right of Way Data See Right of Way Data Sheet at Attachment G. Total Estimated Right of Way cost estimated at $172,000 (escalated value to 01 Feb 2012). Landscape See Attachment H for the Landscape Architecture Assessment Sheet. This project is recommended to include erosion control, planting, and context sensitive solutions (aesthetics). Total landscaping cost is estimated at $533,000. (1) Erosion Control Provide Erosion Control (Type IA, 1B, 2A, and 3) to all disturbed soil areas. Provide Rolled Erosion Control Product (Turf Reinforcement Mat) at culvert inlets and outlets. (2) Planting Provide Planting (State Furnished) with 1-year plant establishment to 20% of all disturbed soil area. (3) Aesthetics Provide aesthetic railing on retaining walls meeting ADA and bicycle requirements. Color to match recently constructed pedestrian bridge at Donner Creek (right of Br # 17-15, 03-Nev- 89 PM 0.39). Provide aesthetic treatment to retaining walls. Provide aesthetic treatment the archway facades and wing walls of the new MUP Tunnel. Provide stamped colored concrete to the median island south of Deerfield Drive. Cost Estimate See Attachment D for the Cost Estimate. Capital outlay support costs are not included in the estimate. 20 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 SECTION 5B: Reiected Alternatives Traffic Signal This rejected alternative recommended placing actuated signals on both approaches to the existing underpass. The value analysis team also recommended this concept. When actuated by a pedestrian, the signals would stop traffic in one or both directions. Caltrans traffic operations subsequently analyzed this alternative and recommended not to install traffic signals. However, the analysis did recommend other improvements intended to enhance the visibility of pedestrians in and near the underpass, including tunnel lighting and adding pedestrian activation to the existing flashing beacons. Pedestrian Crossing At-Grade This rejected alternative considered having pedestrians cross the existing railroad tracks at grade. The project development team did not believe that this alternative would obtain approval of the Union Pacific Railroad. It would require constructing exceptionally long access ramps to traverse the 30' high railroad embankment. It was believed that many pedestrians would consider the ramp length excessive and continue to use the existing underpass. Maintenance during winter would require a significant effort. Pedestrian Tunnel West This rejected alternative considered placing the new multi-use path tunnel to the west of the existing underpass. Although locating a new MUP tunnel to the west appears to have near term benefits of minimizing potential environmental impacts to Donner Creek, it results in numerous undesirable consequences. These include (1) lack of compatibility with a future underpass replacement project; (2) difficulty in providing continuity for pedestrian access between Cross Roads Shopping Center and Donner Creek Mobile Home Park; and (3) difficulty in providing roadside safety monitoring for criminal incidents and vandalism by line of sight from existing highway facilities. 21 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 Section 6 CONSIDERATIONS REQUIRING DISCUSSION SECTION 6A: Hazardous Waste UPRR Embankment Geocon Consultants, Inc. prepared a Site Investigation Report for the Union Pacific Railroad embankment impacted by this project in December 2009. The purpose was to evaluate whether contaminated soils are present within the UPRR embankment and, if so, determine if material generated from the tunnel excavation will require proper management and disposal during construction and whether health and safety precautions will be required for construction workers. Based on the investigation, diesel- and motor oil-range petroleum hydrocarbon-impacted soils are present in the railroad embankment. The data indicates that the outer soils of the embankment are hydrocarbon impacted while the inner material may not be. The report recommends stockpiling the excavated soils and testing to determine appropriate soil disposal options. Soils with detectable concentrations of petroleum hydrocarbons will require offsite disposal. Estimated disposal costs for 900 tons of material are $15 to $40 per ton + $35 to $45 per ton transportation fees. It is possible to encounter treated wood in the railroad embankment from the trestle construction. Treated wood encountered during construction may be disposed at certain non-hazardous landfills. Estimated disposal costs are $80/ton. Since soils excavated from the railroad embankment may contain petroleum hydrocarbons, the report recommended that the contractor prepare a Health and Safety Plan to minimize worker exposure. Aerially Deposited Lead (ADL) Geocon Consultants, Inc. also prepared a Site Investigation Report for the presence of Aerially Deposited Lead (ADL) in September 2009. The purpose was to evaluate impacts due to ADL from motor vehicle exhaust in the surface and near surface soils and determine if the existing yellow and white paint on the highway contains lead. Based on the investigation, soil excavation within the project boundary to the maximum sampling depth of 3.0 feet will not require special soil handling and disposal procedures based on lead content and can be reused or disposed of as non-hazardous soil. Total lead was not detected in the yellow and white traffic stripe samples at concentrations exceeding laboratory reporting limits and will not require disposal as a California Hazardous Waste. Since soils and paint may contain lead, the report recommends that the contractor prepare a Lead Compliance Plan to minimize worker exposure to lead. 22 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 Asbestos Soil samples submitted for asbestos were not reported to contain asbestos at or greater than the laboratory reporting limit. Engineering controls to minimize the aerial dispersion of asbestos are not required. SECTION 6B: Value Analysis A Value Analysis was conducted in 2008 prior to changing the scope. Value Analysis Alternative 1.2 recommended improving access by constructing a pedestrian bore only. It differed from Alternative B (Phase 1)because it assumed that: (1) The pedestrian tunnel would be the one and only phase of the project and no new roadway facilities would be constructed; and (2) The pedestrian tunnel could be constructed closer to the existing underpass than proposed in Alternative B (Phase 1). SECTION 6C: Resource Conservation The future operation of the preferred alternative enhances overall energy use efficiencies. The primary nonrenewable resource for this project is the existing asphalt concrete removed from the highway shoulder. It is premature to develop a plan for management of this nonrenewable resource because of the lack of identified funding and a reasonable potential for phased construction. Reuse of the asphalt concrete grindings within the project limits as shoulder backing material is not recommended. SECTION 61): Right Of Way Issues Right of Way Required This project requires modification of the existing easement between Caltrans and Union Pacific Railroad to include the new Multi-Use Path and Tunnel. An easement with Donner Creek Mobile Home Park may be required depending on the final design of a trail intended to enhance pedestrian accessibility. Relocation Impact Studies: No displacement of any person or business is anticipated. Airspace Lease Areas: No airspace lease requirements were identified. SECTION 6E: Environmental Issues The attached environmental documents were prepared in accordance with Caltrans' environmental procedures, as well as State and Federal environmental regulations. The attached Initial Study with Negative Declaration and Categorical Exclusion are the appropriate documents for the proposed project. 23 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 SECTION 6F: Air Quality Conformity This project is exempt from all air quality conformity requirements per Table 2 of 40 CFR 93.126 Subsections: "Safety" (Shoulder improvements) and "Air Quality" (Bicycle and pedestrian facilities). The preferred alternative is fully compatible with the design concept (SR-89 South — Widening at the Union Pacific Railroad Grade Separation) described in the 2006 Regional Transportation Plan (RTP). The preferred alternative improves the efficiency of the existing transportation system and facilitates use of non-motorized transportation options. SECTION 6G: Title VI Considerations This project was developed in accordance with Title VI of the Civil Rights Act of 1964 and related statues, which ensures that no person in California shall, on the grounds of race, color, national origin, sex, disability, or age, be excluded from participation in, be denied the benefits of, or be otherwise subjected to discrimination under any program or activity it administers. The project was also developed in accordance with Executive Order 12898, "Federal Actions to Address Environmental Justice in Minority Populations and Low-Income Populations." SECTION 611: Noise Abatement Decision Report This project does not require a project level traffic noise analysis. In accordance with 23 CFR 772, this is not a Type 1 project. This project does not propose construction of a highway at a new location or the physical alteration of an existing highway which significantly changes either the horizontal or the vertical alignment or increases the number of through-traffic lanes. 24 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 Section 7 OTHER CONSIDERATIONS SECTION 7A: Public Hearing Process The Town of Truckee held a public meeting in conjunction with a Town Council meeting on February 17, 2011 to review the Draft Environmental Document and the project proposal. All comments received were in support of the project. Comments from the meeting are discussed in the Initial Study with Negative Declaration(Attachment E). SECTION 7B: Route Matters Freeway Agreements & New Connections: Not applicable. Route Adoptions: Not required. Relinquishments: The existing facility will not be superseded. SECTION 7C: Permits No additional permits are required for this construction of this project. SECTION 71): Railroad Coordination Union Pacific Railroad (UPRR) has reviewed the design concept and stated that it is acceptable to move forward with the 30% design plan submittal. The primary concern for UPRR was that the construction methodology should allow keeping the existing two tracks in service. Any problems with settlement and/or railroad operations would result in the job being shut down. For guidance on the railroad review process, see BNSF Railway — Union Pacific Railroad Guidelines for Railroad Grade Separation Projects. Union Pacific Railroad has requested additional submittal requirements for the 30% design submittal: (1) The length of time contractor would be in embankment performing work. The UPRR does not have ability to divert trains from one track to the other. (2) To facilitate the presentation of the project to other UPRR staff, provide a plan, discussion of potential risks, and mitigation measures. Also, provide landmarks and a description of the surrounding area to assist UPRR staff in locating the project. (3) Cross section of box, including thickness and length of box sections. Discuss how box sections are connected. (4) Information regarding who will be responsible for maintenance of undercrossing. (5) A photo of a representative front face shield. (6) Additional information regarding the shield: Geometry of shield and how oversized it will be and explanation as to how settlement of the fill outside of the shield will be avoided (7) Detailed structural calculations are not required at this stage. Drawings, photos, and descriptions of construction techniques and mitigation plans in the event of track 25 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 settlement should be included with the 30% submittal. The exception is that UPRR would like to see details on the size/dimensions of the box and verification that these dimensions will not change. SECTION 7E: Cooperative Agreements This project has not secured necessary funding to design and construct this project proposal. Therefore, this report does not identify cooperative features. Depending upon the funding strategy, a cooperative agreement report may be necessary to design and construct this project. If necessary, the District Director can authorize and approve the cooperative agreement by a Cooperative Agreement Report (CAR). SECTION 7F: Other Agreements Modification of the existing maintenance agreement with the Town of Truckee may be required. SECTION 7G: Involvement With A Navigable Waterwav This project does not provide a new bridge over a navigable river. SECTION 711: Transportation Management Plan Preliminary TMP Recommendations (1) Two lanes shall remain open at all times when construction is not actively in progress. (2) During construction operations, a minimum of one paved traffic lane shall remain open for use by public traffic with one-way traffic control using flaggers. When closure limits include the adjacent signalized intersections, flaggers for the intersection(s) will be required. (3) Allow limited work requiring traffic controls between Memorial Day and Labor Day based on traffic demands. Lane closure hours will vary depending upon type of work and will likely be allowed at nighttime. (4) No work impacting traffic to be allowed on Friday afternoons, Saturdays, Sundays, and the day before and after legal holidays. (5) Use Portable Changeable Message Signs (PCMS) in the direction of travel during construction for each lane or shoulder closure. (6) Maintain bicycle and pedestrian access during construction. (7) All construction activity within 25-feet of railroad tracks shall require railroad flaggers. (8) Construction activity during MUP tunnel construction that may result in railroad track settlement will require a Track Monitoring Plan, including notification and repair requirements. 26 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 Preliminary TMP Elements: Strategy Element Rice Rec A Public Information Al Brochures and Mailers X A9 Notification to Impacted groups X All Caltrans Public Information Office X B Motorist Information B2 PCMS X B3 Special Construction Signs X B9 Bicycle Community Information X C Incident Management Cl COZEEP X C5 Traffic Control Inspector X C7 On-Site Traffic Advisor X D Construction D 1 Delay Damage Clause X D2 Night Work X D5 Planned Lane Closures X D11 Temporary K-Rail X D 15 Contingency Plans X D17 Coordination with adjacent construction X Note: Req- Required TMP Element Rec - Recommended TMP Element SECTION 7I: Stage Construction Use of multiple construction units or stage construction is not recommended at this time. It is recognized that future funding limitations may necessitate that this project be constructed in phases. For example, possible construction stages for consideration are: (1) Phase 1: Mobile Home Park Driveway to the north limit of the UPRR R/W; (2) Phase 2: North limit of the UPRR R/W to Deerfield Drive (3) Phase 3: West River Street to the Mobile Home Park Driveway The preliminary traffic management plan assumes closure of the existing northbound #2 lane during adjacent construction activities and k-rail use between West River Street and Deerfield Drive. Construction activities should be staged so that that all existing northbound approach lanes to the signalized intersections remain open during winter shutdown. SECTION 7J: Accommodation of Oversized Loads This project is not applicable to the policy of State freeways being designed to provide passage for vehicles of unrestricted height while moving in and out of the area; to or from airports, harbors, and testing sites; and to or from ultimate destination for use or assembly. This project does not propose construction activity at Donner Creek Underpass (Bridge Number 17-0016) - which has existing restrictions for oversized loads. 27 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 SECTION 7K: Graffiti Control This project is not located in an identified graffiti-prone area. SECTION 7L: Surveys A ground survey for this project was conducted during 2006 using a horizontal datum of NAD83 (1991.35) and vertical datum of NGVD29. Supplemental survey work during the design phase may be required for subsequent highway improvements without survey data, such as the traffic signal modifications and retaining wall at Deerfield Drive. SECTION 7M: Drainage A preliminary drainage report was not prepared for this project. Preliminary hydrologic and hydraulic calculations were conducted as part of determining appropriate project scope. Existing conditions were not analyzed. Construction impacts to the existing drainage facilities at Deerfield Drive were deemed negligible and not analyzed. The recommended drainage strategy for design is to maintain existing drainage patterns and rehabilitate and/or replace impacted drainage facilities in kind to the maximum extent feasible. The preliminary recommendation for project drainage is as follows: (1) Rehabilitate or replace the existing 48" x 107' Corrugated Metal Pipe Culvert located at "Al" Station 193+12. (2) Replace the existing 18" x 109' Corrugated Metal Pipe Culvert located at "A2" Station 301+97 with a 24" culvert. Replace the existing inlet and add a new inlet between the highway and the new multi-use path. (3) Rehabilitate or replace the existing 24" x 101' Corrugated Metal Pipe Culvert located at "A2" Station 307+30. Preliminary analysis indicates that upgrading this system to a 30" diameter may be required. (4) Remove the existing dike (type A) for northbound traffic located between "A2" Station 304+50 and 308+89 and between "A2" Station 311+17 and vicinity 313+50 and replace with A2-6 curb and gutter. (5) Maintain adjacent cross slopes for shoulder reconstruction and widening. (6) Slope the multi-use path away from Donner Creek to the maximum extent feasible. SECTION 7N: Storm Water Pollution Prevention A Storm Water Data Report for the PA&ED project phase was prepared in accordance with the Department's Project Planning and Design Guide (PPDG). SECTION 70: Maintenance A maintenance agreement with the Town of Truckee will be developed during the design phase of the project. 28 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 Section 8 PROGRAMMING SECTION 8A: Project Support See the programming sheet at Attachment J. SECTION 8B: Funding This project is programmed for PA&ED only in the amount of$2,465,369 ($1,972,295 from the federal High Priority Project Program and $493,074 from the Regional Improvement Program). Funding beyond PA&ED has not been secured. The Town of Truckee will need to identify funding for subsequent project phases. The Town of Truckee will be the lead agency for the subsequent project development phase after PA&ED. The support cost in the attached programming sheet is for the oversight effort by Caltrans Staff. SECTION 8C: Schedule See the programming sheet at Attachment J. The current schedule was prepared by the Town of Truckee and assumes that Caltrans will be responsible only for oversight efforts after PA&ED. Should this assumption change (e.g., Caltrans assuming responsibility for utility relocation, right of way acquisition, railroad coordination, and/or other activities), the schedule may be revisited. Section 9 REVIEWS Preparation of this document followed the Caltrans District 3 Quality Management Plan, requiring a Caltrans Functional Unit / PDT members and a Caltrans Management / External Agency circulation. An exception to not conducting a PA&ED Constructability Review was approved by the District Director on March 30, 2011. This project is determined to fall within the delegated authority for State-Authorized under the current FHWA/Caltrans Stewardship agreements. 29 Project Report 03-P1a,Nev-89 April 2011 PM 21.4/21.7, 0.0/0.4 03-1C0800 Section 10 PROJECT PERSONNEL Name Position Telephone Number Sukhwinder Bajwa Caltrans Project Manager (530) 741-4432 Gary Birch Caltrans Design Engineer (530) 741-4346 Tom Langley Caltrans Project Engineer (530) 741-4545 Sukdeep Sandher Caltrans Project Engineer (530) 741-4192 Moe Amini Caltrans Structures (916) 227-4485 Gudmond Setberg Caltrans Structures Design North - 2 (916) 227-8282 Jeff Pietrzak Caltrans Landscape Architecture (530) 741-4152 Crystal Ortiz Caltrans Right of Way (530) 740-4908 Suzanne Melim Caltrans Environmental (530) 741-4484 Kendall Schinke Caltrans Environmental (530) 741-4591 Georgette Neale Caltrans Environmental (916) 274-0623 Dan Wilkins Town of Truckee Town Engineer (530) 582-2902 Becky Bucar Town of Truckee Engineer (530) 582-2932 Section 11 ATTACHMENTS A. Title Sheet(1) B. Typical Cross Sections (4) C. Layouts (3) D. Cost Estimate (7) E. Initial Study with Negative Declaration (67) F. Categorical Exclusion(6) G. Right of Way Data Sheet (3) H. Landscape Architecture Assessment Sheet (9) I. Storm Water Data Report (2) J. Programming Sheet (1) 30 Attachment A — TITLE SHEET ":60 (=O3LLOld W' Ql-6Z-L0 LIOZ-tldV O—Old 3LVO oI L O OCO T O O O 2 v H ' N � - ¢oh coM a O OV z 7hQ2 Z LL�r D z w D a w z o°W�h z b s o ZZ °o�z W o Wit z � ^> O o z N o a Z ¢ ~ U Z _ O Z o va` I 4 V O O ��d\ 4 chi - 6� ! 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N`JIS3a ..a a3sln3a -aaivlM vva doS[nd]dnS IVNoIlNOI1tl180dSPE 10 1N3ViAMIO - VINWJIIVO JO hVIS Attachment D — COST ESTIMATE PA&ED COST ESTIMATE SUMMARY Dist-Co-Rte: 03-Pla,Nev-89 PM: 21.4/21.7;0.0/0.4 EA: 03-1C0800 PROJECT DESCRIPTION: Limits: In and Near Truckee From 0.8 Mile South to 0.1 Mile South of Route 80/89 Separation Proposed Improvement(Scope): Multi-Use Path along east side of corridor Alternate: Preferred SUMMARY OF PROJECT COST ESTIMATE TOTAL ROADWAY ITEMS: $2,599,702 TOTAL STRUCTURE ITEMS: $2,718,834 SUBTOTAL CONSTRUCTION COSTS: $5,318,535 TOTAL RIGHT-OF-WAY: $172,000 TOTAL PROJECT CAPITAL OUTLAY COSTS: $5,490,535 USE: $5,490,000 Reviewed by District Program Manager Reviewed by Project Manager / Date 1 of 7 Dist-Co-Rte: 03-Pla,Nev-89 PM: 21.4/21.7;0.0/0.4 EA: 03-1C0800 L ROADWAY ITEMS Section l: Earthwork Quantit Unit Unit Price Item Cost Section Cost Clearing&Grubbing 1 LS $5,000 $5,000 Tree Removal 118 EA $350 $41,300 Roadway Excavation 4,200 CY $20 $84,000 Subtotal Earthwork $130,300 Section 2: Structural Section Quantit Unit Unit Price Item Cost Section Cost Asphalt Concrete(Type A) 750 TON $120 $90,000 Class 2 Aggregate Base 1,700 CY $50 $85,000 Concrete Pavement(Bus Pad) 28 CY $350 $9,800 Minor Concrete(Sidewalk) 250 CY $350 $87,500 Minor Concrete(Curb&Gutter) 63 CY $600 $37,800 Subtotal Pavement Structural Section $310,100 Section 3: Drainage Quantit Unit Unit Price Item Cost Section Cost Rahabilitate Drainage System#1 1 LS $32,000 $35,000 Rehabilitate/Replace Drainage System#2 1 LS $28,000 $30,000 Rehabilitate/Replace Drainage System#3 1 LS $35,000 $35,000 Underdrain System 1 LS $10,000 $10,000 Subtotal Drainage $110,000 2of7 Dist-Co-Rte: 03-Pla,Nev-89 PM: 21.4/21.7;0.0/0.4 EA: 03-1C0800 I. ROADWAY ITEMS (continued) Section 4: Specialty I� Quantit Unit Unit Price Item Cost Section Cost RE Office 1 LS $100,000 $100,000 Retaining Wall#1 (Type 5) 1800 SQFT $55 $99,000 Retaining Wall#3 (Type 5) 1450 SQFT $55 $79,750 Rock Wall 15 CY $175 $2,625 Chain Link Fence 115 LF $60 $6,900 Subtotal Specialty Items $288,275 Section 5: Traffic Items Quantit Unit Unit Price Item Cost Section Cost Modify Signal(Deerfield Drive) 1 LS $40,000 $40,000 Replace Pull Box(Deerfield Drive) 1 LS $20,000 $20,000 Temporary Railing(Type K) 3,500 LS $17 $59,500 Traffic Management Plan Elements 130 WD $2,500 $325,000 COZEEP 1 LS $20,000 $20,000 Temporary Signing&Delineation 1 LS $10,000 $10,000 Signing&Delineation 1 LS $8,000 $8,000 Subtotal Traffic Items $482,500 3 of 7 Dist-Co-Rte: 03-Pla,Nev-89 PM: 21.4/21.7;0.0/0.4 EA: 03-1C0800 I. ROADWAY ITEMS (continued) Section 6: Plantinjz and Irrijzation Quantit Unit Unit Price Item Cost Section Cost Revegation(State Furnished) (LAAS) 1 LS $35,000 $35,000 Subtotal Planting and Irrigation Section $35,000 Section 7: Roadside Management Quantit Unit Unit Price Item Cost Section Cost Temporary Erosion Control(SWDR) 1 LS $170,000 $170,000 Rock Slope Protection 70 CY $150 $10,500 ADA/Bicycle Compliant Railing(LAAS Mod) 538 LF $50 $26,900 Retaining Wall Aesthetic(LAAS) 10,250 SQFT $15 $153,750 Archway Faqade(LAAS) 2 EA $3,200 $6,400 Wing Wall Aesthetic(LAAS) 600 SQFT $15 $9,000 Median Island Stamped Concrete(LAAS) 328 SQYD $125 $41,000 Permanent Erosion Control(LAAS) 1 LS $207,000 $207,000 Subtotal Roadside Management and Safety Section $624,550 TOTAL SECTIONS 1 thru 7 $1,980,725 4of7 Dist-Co-Rte: 03-Pla,Nev-89 PM: 21.4/21.7;0.0/0.4 EA: 03-1C0800 L ROADWAY ITEMS (continued) Section 8: Minor Items Item Cost Section Cost $1,980,725 x 5% _ $99,036 (Subtotal 1 thru 7) (5 to 10%) TOTAL MINOR ITEMS $99,036 Section 9: Roadway Mobilization $2,079,761 x 5% _ $103,988 (Subtotal 1 thru 8) TOTAL ROADWAY MOBILIZATION $103,988 Section 10: Roadway Additions Supplemental Work $2,079,761 x 5% _ $103,988 (Subtotal 1 thru 8) (5 to 10%) Contingencies $2,079,761 x 15% _ $311,964 (Subtotal 1 thru 8) (PR level) TOTAL ROADWAY ADDITIONS $415,952 TOTAL ROADWAY ITEMS $2,599,702 (Subtotal Sections 1 thru 10) Estimate Prepared By: Tom Langley 7-Apr-2011 / Date Estimate Checked By: / Date 5 of 7 Dist-Co-Rte: 03-Pla,Nev-89 PM: 21.4/21.7;0.0/0.4 EA: 03-1C0800 II. STRUCTURES ITEMS Quantit Unit Unit Price Item Cost Section Cost Multi-Use Path Tunnel(See Note 1.) Mob/Demob- 10% 1 LS $149,079 Structural Excavation 90 CY $124 $11,160 Structural Backfill 90 CY $210 $18,900 Pedestrian Tunnel(10'x 12'RCB) 121 LF $8,200 $992,200 Headwalls 34 CY $830 $28,220 Headwall Footing 30 CY $670 $20,100 Wingwalls 62 CY $830 $51,460 Wingwall Footing 53 CY $670 $35,510 Rebar 72495 LB $2.50 $181,238 Tunnel Lighting 1 LS $52,000 Track Settlement Monitoring 1 LS $25,000 Tack Surfacing 1 LS $75,000 Contingencies(25%) $409,967 Subtotal: $2,049,834 Retaining Wall#2(Type 1) (See Note 2 and 3) $619,000 SUBTOTAL STRUCTURES ITEMS $2,668,834 Railroad Flagging&Inspection(See Note 4) 1 LS $50,000 $50,000 SUBTOTAL RAILROAD ITEMS $50,000 TOTAL STRUCTURES ITEMS $2,718,834 (Sum of Structures Items plus Railroad Items) COMMENTS: 1. Estimate for Tunnel dated 10 Mar 2011. 2. Estimate from Caltrans Structures. Includes 10%Mobilization and 25%Contingencies. Estimate includes structural excavation and backfill,chain link railing 3. An alternative to the Retaining Wall(Type 1)is an MSE Wall,estimated at$497,000. 4. Extracted from RWDS paragraph 9. 6of7 Dist-Co-Rte: 03-Pla,Nev-89 PM: 21.4/21.7;0.0/0.4 EA: 03-1C0800 III. RIGHT OF WAY ITEMS ESCALATED VALUE A. Acquisition,including excess lands, $140,710 damages to remainder(s)and Goodwill B. Utility Relocation(state share) $21,815 C. Relocation Assistance $0 D. Clearance/Demolition $0 E. Title and Escrow fees $2,182 F. Other: Project Development Permit Fees $7,647 TOTAL RIGHT OF WAY ITEMS $172,000 ANTICIPATED DATE OF RIGHT OF WAY CERTIFICATION I-Feb-2012 (Date to which Values are Escalated) F. Construction Contract Work Brief Description of Work: No work identified in RW-DS summary. Right of Way Branch Estimate for Work $0 COMMENTS: See Right of Way Data Sheet dated 4/27/2010. Estimate Prepared By DOUG BORTZ 4/27/2010 Name Date 7of7 Attachment E — INITIAL STUDY WITH NEGATIVE DECLARATION State Route 89 Bicycle and Pedestrian Improvements Placer and Nevada Counties, California 03-PLA-89-PM 21.4/21.7 03-NEV-89-PM 0.0/0.4 EA: 03-1C0800 (EFIS: 03-00000231) Initial Study with Negative Declaration n ♦.' ,_,Myl� 6 .rim$'►--r+-Z PED N y p' ti, TUNNEL ` f r Prepared by the State of California Department of Transportation April 2011 r* a tans 03-PI-A-89-PM 21.4121.7 03-NEV-89-PM 0.0/0.4 FA:03-1C0800 (EFIS:03-00000.2.31) State Route 89 Bicycle and Pedcstrian Improvements in Places and Nevada Counties between West River Street and Deerfield Drive in the Truckce area. INITIAL STUDY with Proposed Negative Derlaratioll Submitted Pursuant tn;(State)Division 13,California ResourcLI Cotte THE STATE OF CAL1rORhi1A Department of Tmasportatidn tett i1f At1prVYal �- It.dwtbb.Chief Nntth R gine 6nvuunmeetal Servic ,Snurh Calira is Department ofTnursporration State of California SCH Number:20110220 10 Department of Tranaportation 03-PLAINEV 89 PM:PIA-21.4121.7,NEV-0.0f0.4 EA:p3-1C0800 Negative Declaration Pursuant to:Division 13-Public Resources Code Project Description The California Department of Transportation proposes to construct a multi-usc path and tunnel, along with other roadside improvements, along the east side of State Route(SR) 89 between West River Street and Deerfield Drive, located in, and just Outside of., Truckee, California. The project limits extend from post mile(PM)21.4 to 21.7 in Placer County and PM 0.0 to 0.4 in Nevada County. The portion of the project located in Nevada County is also within the limits of the Town of Truckee. The proposed project includes construction of a new underpass tunnel just east of the existing Donner Creek Underpass, Bridge Number 17-0016. Other roadside improvements include constructing an Americans with Disabilities Act(ADA) compliant trail, retaining walls and bus turnout, as well as modifying an existing traffic signal, resurfacing an island median, installing curb and gutters, and replacing drainage systems. Determination The Negative Declaration is included to give notice to interested agencies, and the public, that it is Caltrans' intent to adapt a Negative Declaration for this project. Caltrans has prepared an Initial Study for this project, and following public review,has determined from this study that the proposed project would not have a significant effect on the environment for the following reasons: 4 The proposed project would have minimal or no effect on agriculture and forest resources, air quality, cultural resources, geology and soils, land use and planning, mineral resources, noise, population and housing,public services, recreation, and utilities. • The proposed project would have no effect on jurisdictional waters, special status species, and riparian vegetation with the implementation of avoidance and minimization measures, • The proposed project would have no adverse effect on migratory birds,water quality, hazardous waste/materials, and scenic resources with the implementation of avoidance and minimization treasures. John D.Webb,Chief Date North Region Environmental Services-South California Department of Transportation Chapter 1 — Proposed Project Introduction The California Department of Transportation (Caltrans), in conjunction with the Town of Truckee, proposes a project to improve bicycle and pedestrian use through the Donner Creek Underpass,known locally as the "Mousehole," along State Route (SR) 89 in Placer County from post mile (PM) 21.4 to 21.7 and in Nevada County from PM 0.0 to 0.4 (see Figure 1 and 2). The proposed project is located on SR 89 from 500 feet south of the West River Street intersection in Placer County to 300 feet north of the Deerfield Drive intersection in Nevada County. The portion of the project located in Nevada County extends into the Truckee town limits. A 30-feet high embankment, supporting the tracks of the Union Pacific Railroad, is also within the project limits. This embankment contains the Donner Creek Underpass tunnel. For the past several years, the Nevada County Transportation Commission,which is the Regional Transportation Planning Agency for Nevada County, has identified this project as a need in the Regional Transportation Improvement Program. The construction of the multi-use tunnel is a program priority for eastern Nevada County. The project is consistent with all applicable local and regional plans. The project is expected to be constructed during the summer seasons of 2012 and 2013, depending on construction funding availability. Because of the duration of the project, there could likely be temporary traffic impacts. Brief History of the Donner Creek Underpass,Bridge No 17-0016 The Central Pacific Railroad(CPRR)began construction of the Transcontinental Railroad route in from Sacramento, California in 1862. In 1867 the CPRR constructed the first wooden trestle bridge over Donner Creek in the area now occupied by the earthen embankment. That trestle's abutments are still visible on the northwest side of the embankment. Because wooden trestles were in the habit of catching fire, in 1901 the CPRR replaced the wooden trestle over Donner Creek with the current rock and dirt embankment. According to the local newspaper in 1901/1902, the construction crews erected a trestle across the gorge to"run the cars out on to dump the dirt." That trestle, or a portion of it, is now concealed within the embankment. To accommodate Donner Creek, a rock arched opening made from local stone was constructed through the embankment. In 1923 the present double track was constructed on top of the --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- State Route 89 Bicycle and Pedestrian Improvements 1 embankment. In 1928 the Donner Creek Underpass, locally known as the "Mousehole," was constructed. Purpose and Need The purpose of the project is to provide pedestrians and non-motorized vehicle users with an efficient method for traversing along the east side of SR 89 within the project limits. The east side of the corridor, from West River Street to Deerfield Drive,would be modified to include a multi-use path. A new multi-use tunnel would be constructed through the Union Pacific Railroad embankment just east of the existing Donner Creek Underpass tunnel and would provide access from one side of the embankment to the other. A bus pullout would be constructed on the south side of the embankment approximately 200 feet north of the Donner Creek Mobile Home Park driveway. The need for this project is a result of the existing Donner Creek Underpass tunnels' inability to effectively accommodate both vehicle traffic and pedestrians or non- motorized vehicle users, especially during periods of peak traffic. The existing Donner Creek Underpass tunnel is 25 feet wide and 68 feet long and accommodates two lanes of traffic, one in each direction, with no shoulders. Currently trucks, buses, emergency vehicle, pedestrians, and bicyclists must share the two lanes within the tunnel. Additionally, the current bus stop between the West River Street intersection and the driveway to Donner Creek Mobile Home Park is located on an unimproved widened shoulder area. Alternatives Build Alternative The build alternative proposes to construct a multi-use path along the east side of SR 89 between West River Street and Deerfield Drive (see Figure 3). At the south end of the project, the 10-foot wide asphalt multi-use path would begin 100 feet north of the West River Street intersection. The path would continue north to the existing Union Pacific Railroad embankment where a tunnel, measuring approximately 12 feet wide by 10 feet high by 121 feet long, would be constructed through the railroad embankment. From the new tunnel, the path would continue north along SR 89 and connect to existing facilities at the east side of the Deerfield Drive intersection. Both the path and the tunnel would be constructed to the standards of a Class I bikeway, wherever practical, and would also conform to the accessibility requirements of the Americans with Disabilities Act of 1990 and Section 4450 of the California Government Code. --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- State Route 89 Bicycle and Pedestrian Improvements 2 In addition, the proposed project also includes the following improvements: Three retaining walls would be constructed at the following locations on the east side of SR 89. • Retaining Wall 91 -beginning approximately 300 feet north of West River Street, would extend north for approximately 325 feet with a varying height of 4 feet to 8 feet. • Retaining Wall 92 -beginning just north of the existing Union Pacific Railroad embankment, would extend 525 feet in length with a varying height of 6 feet to 16 feet. • Retaining Wall 43 -would run south from the Deerfield Drive and SR 89 intersection, for approximately 250 feet in length and would be 6 feet high. Three drainage systems would be rehabilitated or replaced. • Drainage System #I - located just north of West River Street, will be either rehabilitated or replaced in-kind. • Drainage System# 2 - located about 100 feet south of the existing Donner Creek Underpass tunnel will be replaced to a 24" culvert from the existing 18" culvert. The existing inlet will be replaced and a new inlet will be added between the highway and the new multi-use path. • Drainage System 93 - located approximately 250 feet north of the underpass tunnel will be either rehabilitated or replaced. A preliminary analysis indicates that upgrading this system to a 30"culvert may be required. The project includes the following additional improvements: • A five-foot wide concrete trail(Portland cement or asphalt), compliant with Americans with Disability Act and the California Government Code requirements, would be constructed within the Caltrans right-of-way to connect the Donner Creek Mobile Home Park driveway with the new multi-use trail and the bus turnout. • A new bus turnout would be constructed 200 feet north of the Donner Creek Mobile Home Park driveway replacing the existing bus stop currently located just north of the driveway. The bus turnout would accommodate a 45-foot bus. --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- State Route 89 Bicycle and Pedestrian Improvements 3 • The existing signal poles at Deerfield Drive on the east side of the highway would be relocated so they are not in conflict with Retaining Wall 93 or the path. • The existing median island, located near Deerfield Drive and the Crossroads Shopping Center,would be treated with an aesthetically-stamped concrete treatment. To accommodate construction activities, various utilities and roadway signs would be relocated. The following utilities are present within the project limits: one gas line, one water line, various overhead electrical service lines, one petroleum products pipeline, two telecommunication lines, a Union Pacific Railroad signal house and utility pole. The Town of Truckee and Caltrans Right of Way has, and will continue to, coordinate with all utility companies represented in the project area, as well as the Union Pacific Railroad. One-lane traffic control and temporary closures would be necessary to accommodate construction. A Traffic Management Plan (TMP)would be prepared for the project. The plan would identify methods to reduce impacts from construction activities, minimize delays for motorists and pedestrians, and provide a safe work zone. The project is expected to be in construction for two summer seasons. The following measures are required or recommended by the TMP Checklist and Data Sheet: • During construction operations, a minimum of one paved traffic lane, not less than 11 feet wide, shall be open for use by public traffic using reversible traffic control. Two lanes shall remain open when construction operations are not actively in progress. • No lane closures, shoulder closures, or other traffic restrictions will be allowed on Friday afternoon, Saturday, Sunday, designated legal holidays, the day preceding designated legal holidays, and when construction operations are not actively in progress. • From Memorial Day to Labor Day, work on SR 89 will be limited due to the high traffic volumes on this busy corridor. Lane closure hours will vary depending on type of work and will likely be allowed during low demand hours at nighttime. • Work can be performed during day time hours when lane closure is not required. • Portable changeable message signs (PCMS) and flaggers will be required in the direction of traffic during construction for each lane or shoulder closure. --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- State Route 89 Bicycle and Pedestrian Improvements 4 • Access to driveways,mobile home park driveways and cross streets must be maintained during construction, in accordance with traffic control standard plans or traffic handling plans. • Pedestrian and bicycle access must be maintained during construction. Additional signs will be required to detour pedestrians and bicycle traffic. • Coordination with UPRR authorities is necessary when for the portion of construction that must occur near the railroad tracks. • Coordinating with projects adjacent to or within the limits of this project will be required to avoid conflicts. • The TMP should also address any construction of nearby highway projects and commercial development projects whose construction schedule might overlap with that of the S.R. 89 Bicycle and Pedestrian project. The project may be built all at once or in the following phases: • Construct a pedestrian/bicycle tunnel under the railroad and a short multi-use path connection to the existing roadway shoulder north and south of the tunnel. • Construct multi-use path from tunnel to Deerfield Drive. • Construct multi-use path from tunnel to West River Street. No Build Alternative A No Build Alternative is included to provide a baseline for comparison of the impacts of the proposed project. A No Build Alternative would result in the facility remaining as it currently is and would not provide pedestrians and non-motorized vehicle users with a safe method for traversing the east side of SR 89 within the project limits. Therefore, the No Build would not meet the purpose and need of the project,which is to improve the mobility, safety, and operation of the highway in this area. Permits and Approvals Needed Under the current project description, a U. S. Army Corps of Engineers Section 404 permit, a Regional Water Quality Control Board Section 401 Water Quality Certification, and a California Department of Fish and Game Section 1602 Streambed Alteration Agreement will not be required. If the scope of the project changes, then the project would need to be re-evaluated for permit needs. --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- State Route 89 Bicycle and Pedestrian Improvements 5 D i5t COUNTY ROUTE POST MILES SHEET A TOTAL PROJECT No. SHEETS Figure 1 Pia, $� 21 .4/21 .7, Nev 0.0/0.4 Proiect VicinitCA* y o, ."s.�. u " ® and -TE 5.� Pi Location TULARL -LE LOCATION MAP E'h.`IER PASS RD I-80/SSR-89 SEPARATION �gn �T� S[rcra�]enfo REERFIELD OR DONNER CREEK BRIDGE � C END CONSTRUCTI N TRUCKEE PM 0.4 (Nevado Col JVPYAPA '' �, I•' NfCOUNTY & j(,.WN_I IMITS - _.._..- - - ._.._YA.O.l4 P. .CER COUNTY t8 Q.}N JER GREEK UNDERPASS PLACER codwrrr BEGIN CONSTR TI N PNI 21.4 (Placer Co) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- State Route 89 Bicycle and Pedestrian Improvements 6 Figure 2 Project Vicinity Map valley Rd @c,:�V-e - 2 & ( m,p R f ` p Gateway \ mnne,pass« D__P_R d e , y } /®/ Tahoe r_m � m�* R®gy - � e \ c �Dr / mP f © \ nz % °��� � * $ ■ x�. � k \ & N t0i nal a�` Tahoe Nkbnal > . res! 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