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About TRANSPAC

TRANSPAC (Transportation Partnership and Cooperation) is the Regional Transportation Planning Committee (RTPC) for Central Contra Costa. It is composed of elected representatives, planning commissioners and technical staff from the six Central Contra Costa jurisdictions including the cities of Clayton, Concord, Martinez, Pleasant Hill, Walnut Creek and the unincorporated area of Central Contra Costa County. TRANSPAC is responsible for the development of transportation plans, projects and programs for the Central County areas as well as the appointment of two representatives to the Contra Costa Transportation Authority who serve alternating two-year terms.

Announcements

Shape the Future of Walking and Biking in Contra Costa

TRANSPAC is looking for a Central County resident to serve as its citizen representative on the Contra Costa Transportation Authority (CCTA) Countywide Bicycle and Pedestrian Advisory Committee (CBPAC). The CBPAC advises CCTA on micromobility, scooter/bikeshare, bicycling, and pedestrian issues and helps CCTA carry out its responsibilities as a congestion management agency as it shapes funding […]
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FY 2026–27 Transportation Fund for Clean Air (TFCA) 40% Fund – Call for Projects

Draft Applications Due by 5PM on Tuesday, May 19, 2026. The Contra Costa Transportation Authority (CCTA) has issued a Call for Projects for the Transportation Fund for Clean Air (TFCA) 40% Fund for Fiscal Year (FY) 2026-27. About the Program The TFCA program is funded by a $4 surcharge on motor vehicle registrations within the […]
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Contra Costa County Regional Map

TRANSPAC Member Jurisdictions

TRANSPAC member jurisdictions include the cities of Clayton, Concord, Martinez, Pleasant Hill, Walnut Creek and unincorporated areas of Central Contra Costa County.

Meeting Schedules

TRANSPAC usually meets the second Thursday of every month at 9:00 a.m. The Technical Advisory Committee (TAC) meets every last Thursday at 9:00 a.m. Meeting log-in information will be posted in advance of the meeting on the Agenda Packet.

TRANSPAC Conflict of Interest Notice