I-80 San Pablo Dam Road Interchange Project – Phase 1

Who We Are The Contra Costa Transportation Authority (CCTA) is a public agency formed by Contra Costa County voters in 1988 to manage the county’s transportation sales tax program and to lead the county’s transportation planning efforts. CCTA is responsible for maintaining and improving the county’s transportation system by planning, funding, and delivering critical transportation infrastructure projects and programs that connect our communities, foster a strong economy, increase sustainability, and safely and efficiently get people where they need to go. WHO WE ARE

BUSES Invest in a reliable, comfortable and convenient bus network LOCAL STREETS Smooth traffic flow on major roads and invest in neighborhood improvements such as repairing potholes and road surfaces PEDESTRIAN Make improvements to sidewalks, crosswalks, trails, and paths SAFE ROUTES TO SCHOOLS Focus on programs and projects aimed at bicycle and pedestrian safety for K-12 students FERRIES Expand the Bay Area ferry system by looking to ferries as an alternate commute method between West County and San Francisco 1 BICYCLE Invest in safe routes and infrastructure improvements for bicyclists BART Make improvements to BART service and stations, such as extensions to new routes and parking at stations HIGHWAYS Complete Contra Costa’s highway system, and improve air quality and noise protection along these corridors CARPOOL/RIDESHARE Implement programs aimed at reducing traffic congestion by encouraging carpooling and ridesharing PROGRAMS FOR SENIORS AND PEOPLE WITH DISABILITIES Enhance transit options to improve mobility for seniors and people with disabilities WHAT WE DO

1 PROJECT LOCATION

EXISTING CONFIGURATION Isolated On-Ramp Partial Interchange Short Weaving Section Existing POC Contra Costa County City of San Pablo Short Weaving Section City of Richmond City of San Pablo

1 Extend Auxiliary Lane Widen Ramp Remove El Portal Dr WB On-Ramp New WB On-Ramp Freeway Entrance Realign El Portal Dr Construct Sound Wall To San Francisco To Sacramento El Portal Dr Construct City Masonry Wall PROJECT FEATURES

1 New POC Spans Over Amador St Remove Existing POC Riverside Ave Humboldt Ave Riverside Elementary School Safer Access To/From School Amador St To San Francisco To Sacramento PROJECT FEATURES

1 Reduce Traffic Congestion at the I-80/SPDR Interchange Improve traffic safety on I-80 Improve access on and off I-80 Provide Safe and Efficient Pedestrian travel across I-80 Accommodate Future Traffic Volumes I-80 SPDR PROJECT GOALS

CONTRACT AWARDEDNovember 18, 2015 ISSUE NOTICE-TO-PROCEEDJanuary 21, 2016 PROJECT COMPLETIONEarly Summer 2017 WORK AT SCHOOL Tree Removal & Utilities at SchoolFebruary 2016 Foundations for the New BridgeApril to May 2016 Abutment/Other School ImprovementsJune 9 to August 22, 2016 Construct POC Rampon Riverside Ave SideAugust through September 2016 Open POC BridgeSeptember 2016 Remove Existing POC BridgeOctober 2016 IMPORTANT DATES

1 PROJECT LOCATION Parking lot at the corner of Riverside Ave. & Amador St.

1 FEBRUARY – Completed Work (President’s Day Recess) Tree removal before bird nesting season Riverside Ave Amador St

1 Relocate Backflow Assemblies (one for Potable Water, one for Irrigation Water) Current Location New Location Riverside Ave Amador St FEBRUARY – Completed Work (President’s Day Recess)

1 Relocate Power Riverside Ave Amador St FEBRUARY – Completed Work (President’s Day Recess)

1 Riverside Ave Amador St Backflow Preventers & Utilities Relocated to Allow Room for the New Bridge Foundation

1 Remove Existing Fence & Install Temporary Fence Install Temporary Fence Temporary Access Gate Riverside Ave Amador St FEBRUARY – Completed Work (President’s Day Recess)

Temporary Fence with Privacy Screen FEBRUARY – Completed Work (President’s Day Recess)

1 Work Between February and April Inside fenced area Install Sewer Line & Abandon Existing Sewer Line Riverside Ave Amador St

1 Work Between February and April Inside fenced area Relocate Existing Storm Drain Riverside Ave Amador St

1 Work to be done before APRIL (Spring Recess) Riverside Ave Amador St Remove Existing Crosswalk & Place New Crosswalk and Landing

1 APRIL (Spring Recess) Riverside Ave Amador St Work area when school is out of session Drill And Install 7’ Diameter Concrete Pile

1 Between April and Summer Break Work area when school is in session Riverside Ave Amador St Construct 4’ Diameter Column & Build Falsework Across Amador St. and EB & WB I-80

1 Summer 2016 (June 8 th to August 22 nd ) Riverside Ave Amador St Work area when school is out of session Complete the Construction of the new Pedestrian Over Crossing

Riverside Ave Riverside Elementary School Amador St Modified Entrance to Improve Access for Emergency Vehicles… Approved by CCCFPD Two On Street Parking Spaces Designated for School Staff Only North Side of Building Modified to Improve Fire Rating New Fire Lane Entrance Reconfigured School Parking Area POC Exit to Public Sidewalk PROJECT TO BE COMPLETED DURING SUMMER BREAK 2016

24 PROJECT FEATURES

25 PROJECT FEATURES

26 Blue-Colored Fence Ramp Aesthetics (School Side of I-80) Fencing ` Colored Slats Colored Tiles Fractured Rib PROJECT FEATURES

1 Tile Designs by Riverside Elementary School

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QUESTIONS?