Advocating for the future of eastern Contra Costa County.
Advocating for the future of eastern Contra Costa County.
Advocating for the future of eastern Contra Costa County.
Advocating for the future of eastern Contra Costa County.
Advocating for the future of eastern Contra Costa County.
About TRANSPLAN
The TRANSPLAN Committee coordinates the regional transportation interests of the communities in the cities of Antioch, Brentwood, Oakley and Pittsburg, and eastern Contra Costa County.
The five member governments of TRANSPLAN include the Cities of Antioch, Brentwood, Oakley and Pittsburg, and Contra Costa County. Contra Costa County governs the unincorporated East County communities of Bay Point, Bethel Island, Byron, Discovery Bay and Knightsen.
Meetings
TRANSPLAN Technical Advisory Committee – July 2025 Meeting
July 15, 2025 - 1:30 pm - 3:30 pm Meeting Agenda
July 15, 2025 - 13:30 pm
This event has a video call
Join: Zoom Link
Contact: Robert Sarmiento at robert.sarmiento@dcd.cccounty.us
Stay Involved in Your Community
East County Action Plan and Countywide Transportation Plan Updates
The East County Action Plan was updated in 2023. The updated East County Action Plan will feed into the Countywide Transportation Plan (CTP) Update. CTP Update process is anticipated to be completed by 2026.
East County Action Plan & Countywide Transportation Plan
State Route 239 Project
The proposed State Route 239 Project will provide a new four-lane highway from State Route 4 at Marsh Creek Road in Contra Costa County to Interstate 580 in Alameda County or Interstate 205 in San Joaquin County.
State Route 239
Mokelumne Trail Bicycle/Pedestrian Overcrossing Project
The Mokelumne Trail Bicycle/Pedestrian Overcrossing project constructed a pedestrian and bicycle bridge that spans Highway 4 – closing a gap along the Mokelumne Trail, and providing safe access for bicyclists and pedestrians. The overcrossing was opened to pedestrians and bicyclists in March 2024.
Mokelumne Trail Bicycle/Pedestrian Overcrossing