CCTA I-680 HOV Direct Access Ramps

Improves direct access to the area's transit center.

Quick Facts

  • Worked with the CCTA on the I-680 Investment Options Analysis study to address transportation issues

  • Study recommendations included a set of HOV and transit-related improvements funded by the renewal of the County’s Measure C sales tax

  • One of these projects was the construction of HOV-only ramps on I-680 at Norris Canyon


  • Provides direct access to the San Ramon Transit Center

Our Work

  • Prepared the Traffic Operations Analysis Report

  • Prepared travel forecasts and conducted the traffic operations analysis using a combination of Vissim and Synchro

  • Conducted safety and ITS assessments and prepared the Traffic Management Plan

  • Assisted with the Project Approval/Environmental Document (PA/ED) phase

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