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Tri-Valley Transportation Council │ 2020 Nexus Fee Update Study August 2021 │ Final 44 • Identify the need for updates/revisions to identify financially feasible improvements to address the latest safety, operational, and congestion issues The Alameda CTC’s 2014 Transportation Expenditure Plan (TEP), approved as part of Measure BB, includes $20 Million in funding for I-580/I-680 Interchange improvements. Further project development is being explored. Alameda CTC is working with local, regional, and state agencies in identifying funding. The Alameda CTC’s 2020 Countywide Transportation Plan (CTP) split this project into two phases. Phase 1 is part of the County’s 10-year priory project list, while Phase 2 is listed under 30-Year project list. Cost and Funding Sources Cost (Millions, 2015) $1,785.65 Funding (Millions, 2015) Measure BB $20.00 TVTDF $1.00 Total Funding (Millions, 2015) $21.00 Total Funding Shortfall (Millions, 2015) $1,764.65 B -2. FIFTH EASTBOUND LANE ON I-580 (SANTA RITA ROAD TO VASCO ROAD) TVTC Project Sponsor: City of Pleasanton, City of Livermore Lead Agency: Alameda CTC Project Description: Project B-2 is located along eastbound I-580 between Santa Rita Road and Vasco Road. The project would construct a fifth eastbound mixed flow lane and would eliminate the lane drop at Santa Rita Road. Status: This project has been completed. B -3. I-580/FIRST STREET INTERCHANGE MODIFICATION TVTC Project Sponsor: City of Livermore Lead Agency: Caltrans Project Description: Project B-3 is located at the I-580/First Street interchange in Livermore. The project would modify the interchange by widening the overcrossing to six lanes and reconstructing the ramps to achieve a partial cloverleaf interchange design. Status: A PSR has been completed. The project schedule and phasing are not available at this time.