04 - SM - 101 - PM 4.6/6.5 04 - SM - 84 - PM 25.3/25.7 EA #04-235360, RU: 0703 Program ID: 0414000032 December 2016 This project report has been prepared under the direction of the following registered 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. 12/14/2016 SCOTT C. KELSEY DATE REGISTERED CIVIL ENGINEER URS CORPORATION Scott C. Kelsey C 39656 12/31/17 CIVIL 04 - SM - 101 - PM 4.6/6.5 04 - SM - 84 - PM 25.3/25.7 EA #04-235360, RU: 0703 Program ID: 0414000032 December 2016 Table of Contents 1. INTRODUCTION ...............................................................................................1 2. RECOMMENDATION ......................................................................................3 3. BACKGROUND ..................................................................................................3 3.1 Project History ..............................................................................................3 3.2 Community Interaction ................................................................................4 3.3 Existing Facility ............................................................................................6 3.3.1 US 101 .......................................................................................................6 3.3.2 Woodside Road (SR 84) ...........................................................................6 3.3.3 Seaport Boulevard .....................................................................................6 3.3.4 East Bayshore Road ..................................................................................7 3.3.5 Veterans Boulevard, Broadway, and Bay Road ........................................7 3.3.6 Union Pacific Railroad (UPRR) ................................................................7 3.3.7 Existing Structures ....................................................................................7 3.3.8 Transit Agencies........................................................................................8 4. PURPOSE AND NEED .......................................................................................9 4.1 Problem, Deficiencies, and Justification .....................................................9 4.1.1 Project Purpose .........................................................................................9 4.1.2 Project Need ..............................................................................................9 4.1.3 Roadway Deficiencies ................................................................................9 4.1.4 Bicycle and Pedestrian Facility Deficiencies ...........................................10 4.2 Regional and System Planning ..................................................................11 4.2.1 Identify Systems ......................................................................................11 4.2.2 State Planning .........................................................................................11 4.2.3 Regional Planning ...................................................................................11 4.2.4 Local Planning ........................................................................................12 4.3 Traffic ..........................................................................................................12 4.3.1 Current and Forecasted Traffic Volumes ................................................13 4.3.2 Truck Volumes ........................................................................................14 4.3.3 Forecasted Traffic Conditions ................................................................15 4.3.4 Accident Analysis ...................................................................................15 5. ALTERNATIVES ..............................................................................................20 5.1 Identification of the Preferred Alternative ..............................................21 5.2 Preferred Alternative .................................................................................22 5.2.1 Proposed Engineering Features ...............................................................22 5.2.2 Nonstandard Mandatory and Advisory Design Features ........................25 5.2.3 Project Construction ................................................................................28 5.2.4 Interim Features ......................................................................................28 5.2.5 Maintenance Vehicle Pullouts.................................................................28 04 - SM - 101 - PM 4.6/6.5 04 - SM - 84 - PM 25.3/25.7 EA #04-235360, RU: 0703 Program ID: 0414000032 December 2016 5.2.6 HOV (Bus and Carpool) Lanes ...............................................................28 5.2.7 Ramp Metering.........................................................................................29 5.2.8 Traffic Operations System ......................................................................29 5.2.9 CHP Enforcement Areas ..........................................................................29 5.2.10 Park and Ride Facilities ........................................................................29 5.2.11 Highway Planting ..................................................................................30 5.2.12 Water Pollution and Erosion Control .....................................................30 5.2.13 Noise Barriers........................................................................................31 5.2.14 Non-Motorized and Pedestrian Features ...............................................31 5.2.14a Complete Streets Policy/Design Considerations .................................33 5.2.15 Needed Roadway Rehabilitation and Upgrading ..................................33 5.2.16 Cost Estimates ........................................................................................33 5.2.17 Aesthetic Treatments ..............................................................................34 5.2.18 Bicycle and Pedestrian Lighting ............................................................36 5.2.19 Americans with Disabilities Act (ADA) Compliance ............................36 5.3 Project Phasing ...........................................................................................36 5.4 Rejected Alternatives .................................................................................38 5.4.1 PR Alternatives 1, 2, 4 and 3B - Partial Cloverleaf Interchange .............39 5.4.2 PR Alternatives 3A, 6, 6A and 6B - Roundabout Interchange ...............39 5.4.3 PR Alternatives 5 & Variations -Type L-5 Interchange & Maple Street Ramps ................................................................................................................41 5.4.4 PR Alternative 7 - Single Point Interchange ..........................................42 5.4.5 PR Alternatives 8 and 8A - Diverging Diamond ....................................42 5.4.6 PR Alternative 9 - Diamond and Partial Clover Leaf Interchange .........42 5.4.7 No-Build Alternative ...............................................................................42 5.5 ICE Assessment/Screening of Access Concepts .......................................43 5.5.1 Intersection Control Evaluation (ICE) ....................................................43 6. CONSIDERATIONS REQUIRING DISCUSSION .......................................43 6.1 Hazardous Waste ........................................................................................43 6.2 Value Analysis .............................................................................................44 6.3 Resource Conservation ..............................................................................45 6.4 Right-of-Way ...............................................................................................45 6.4.1 Right-of-Way Required ...........................................................................45 6.4.2 Utility and Other Owner Involvement ....................................................46 6.4.3 Railroad Involvement ..............................................................................49 6.5 Environmental ............................................................................................49 6.5.1 Wetlands and Floodplain.........................................................................50 6.5.2 Cultural Resources ..................................................................................51 6.5.3 Water Quality and Storm Water Runoff .................................................51 6.5.4 Paleontology ............................................................................................52 6.5.5 Biological Resources ...............................................................................52 6.5.6 Environmental Permits ............................................................................53 6.6 Air Quality Conformity .............................................................................53 6.7 Title VI Considerations ..............................................................................53 04 - SM - 101 - PM 4.6/6.5 04 - SM - 84 - PM 25.3/25.7 EA #04-235360, RU: 0703 Program ID: 0414000032 December 2016 6.8 Noise Abatement Decision Report ............................................................54 7. OTHER CONSIDERATIONS AS APPROPRIATE .........................................59