Alameda I-680 Comprehensive Multimodal Corridor Plan 1 DocuSign Envelope ID: 68DB90D3-75C6-4545-BEE4-4EF3E608995F 6-1-2020 6/24/2020 DocuSign Envelope ID: 68DB90D3-75C6-4545-BEE4-4EF3E608995F Table of Contents Executive Summary ........................................................................................................................................ i Chapter 1: Introduction ................................................................................................................................ 1 1.1 Caltrans Policy Development .............................................................................................................. 1 1.2 Senate Bill 1 and the Solutions for Congested Corridors Program ..................................................... 1 1.3 Document Structure............................................................................................................................ 2 1.4 Stakeholders ....................................................................................................................................... 2 Chapter 2: Corridor Goals, Objectives and Performance Metrics ................................................................ 3 Chapter 3: Corridor Overview ....................................................................................................................... 6 3.1 Corridor Limits .................................................................................................................................... 6 3.2 Route Significance ............................................................................................................................... 7 3.3 Route Designations ............................................................................................................................. 9 3.4 Demographics ..................................................................................................................................... 9 3.5 Commute Patterns and Trip Generators .......................................................................................... 11 3.6 Smart Mobility Framework, Regional Transportation Plan, Sustainable Communities Strategy & Communities of Concern ........................................................................................................................ 12 3.7 Environmental Considerations and Sea Level Rise ........................................................................... 24 Chapter 4: Multimodal Facilities ................................................................................................................. 25 4.1 Transit Services ................................................................................................................................. 25 4.2 Park-and-Ride Facilities ..................................................................................................................... 33 4.3 Private Commuter Shuttle Services .................................................................................................. 34 4.4 Bicycle and Pedestrian Facilities ....................................................................................................... 35 4.5 Transportation Systems Management and Operations .................................................................... 39 4.6 Broadband ......................................................................................................................................... 42 4.7 Transportation Demand Management ............................................................................................. 44 4.8 Freight Network, Facilities and Trip Generators ............................................................................... 45 Chapter 5: Freeway Performance ............................................................................................................... 50 5.1 Existing Conditions ............................................................................................................................ 50 5.2 Future Operating Conditions and Alternatives ................................................................................. 59 Chapter 6: Public Outreach ......................................................................................................................... 67 6.1 2016 Alameda Countywide Transportation Plan .............................................................................. 67 6.2 2020 Alameda Countywide Transportation Plan Update ................................................................. 68 6.3 Alameda County Goods Movement Plan .......................................................................................... 68 6.4 Plan Bay Area 2040 ........................................................................................................................... 68 6.5 Plan Bay Area 2050 ........................................................................................................................... 69 6.6 Caltrans District 4 Bike Plan .............................................................................................................. 69 6.7 Santa Clara County Valley Transportation Plan 2040 ....................................................................... 69 6.8 I-680 South Corridor Study ............................................................................................................... 70 6.9 2017 Contra Costa Countywide Comprehensive Transportation Plan ............................................. 70 6.10 I-680 Transit Investment/Congestion Relief Options Study ........................................................... 70 6.11 I-680 Northbound HOV/Express Lane Project ................................................................................ 70 6.12 SR 84 Expressway Widening and SR 84/I-680 Interchange Improvements Project ....................... 71 6.13 HOV/Express Lanes from SR 84 to Alcosta Blvd .............................................................................. 71 Chapter 7: Recommended Strategies ......................................................................................................... 72 7.1 Project Lists ....................................................................................................................................... 72 7.2 Project Evaluation ............................................................................................................................. 82 List of Tables Table ES-1. MTC Top 50 Congested Locations for I-680 in 2017 ................................................................... i Table ES-2. I-680 Corridor Future Highway, Transit, and Park-and-Ride Projects ....................................... iii Table ES-3. Active Transportation Improvement Projects ......................................................................... viii Table 2-1. Alameda I-680 CMCP Goals, Objectives and Performance Measures ......................................... 4 Table 3-1. I-680 CMCP Segments .................................................................................................................. 6 Table 3-2. I-680 Route Designations ............................................................................................................. 9 Table 3-3. Demographics Data of Counties served by I-680 Corridor ........................................................ 11 Table 3-4. Commute Choice by Mode ........................................................................................................ 11 Table 3-5. Smart Mobility Framework Place Types .................................................................................... 14 Table 3-6. Place Type Examples within the I-680 Corridor ......................................................................... 15 Table 3-7. SMF Recommended Strategies Examples .................................................................................. 18 Table 3-8. Environmental Consideration for the I-680 Corridor ................................................................. 24 Table 4-1. Express Bus Routes that Travel on I-680 in Alameda County .................................................... 27 Table 4-2. Bus Routes that Cross or Travel Adjacent to I-680 in Alameda County ..................................... 27 Table 4-3. Park-and-Ride Facilities, 2018 .................................................................................................... 34 Table 4-4. Planned Park-and-Ride Facilities ................................................................................................ 34 Table 4-5. Tri-Valley Private Shuttle Inventory as of 2017 ......................................................................... 35 Table 4-6. I-680 Truck Traffic Data 2016 ..................................................................................................... 45 Table 5-1. 2016 AADT and Truck Percentage.............................................................................................. 51 Table 5-2. Three-Year Accident Data, January 1, 2016 to December 31, 2018 .......................................... 55 Table 5-3. 2016 AADT and Truck Percentage.............................................................................................. 55 Table 5-4. Three-Year Accident Data, January 1, 2016 to December 31, 2018 .......................................... 57 Table 5-5. Existing Conditions Network Measures of Effectiveness ..........................................................