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.

People & Mission

Meetings

Upcoming Meeting Dates Will be announced soon

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ECITS Study Area Map
East County Integrated Transit Study

East County Integrated Transit Study

The East County Integrated Transit Study (ECITS) was undertaken by the Contra Costa Transportation Authority to identify solutions for improving transit services from the City of Antioch east to the City of Brentwood in East Contra Costa County.

East County Integrated Transit Study
State Route 239 Project

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

Mokelumne Trail Bicycle/Pedestrian Overcrossing Project

The Mokelumne Trail Bicycle/Pedestrian Overcrossing project will construct a pedestrian and bicycle bridge that spans Highway 4 – closing a gap along the Mokelumne Trail, and providing safe access for bicyclists and pedestrians.

Mokelumne Trail Bicycle/Pedestrian Overcrossing
East County Action Plan Update

East County Action Plan Update

The East County Action Plan is in the process of being updated. The updated East County Action Plan will feed into the Countywide Transportation Plan (CTP) Update. The East County Action Plan Update and CTP Update processes are anticipated to be completed by 2022 and 2023, respectively.

East County Action Plan & Countywide Transportation Plan

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