Construction Alert:

Heavy Lifting for SR 160/4 Connector Ramps

These giant rebar cages, weighing the equivalent of 70 cars, will form the foundations of SR 160/4 Connector Ramps. See how our crews got them into the ground. Learn more

Photos of Construction Progress

Check out our Media page for some amazing photos of current construction progress. Photos are added regularly, so check back often!

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Why Highway 4?

What do the Highway 4 corridor improvements mean for the people of East County? Watch our video interview with Randy Iwasaki, CCTA Executive Director, to learn more.

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Traffic Updates

Traffic Updates

Check here for up-to-date information on ramp, lane, and full freeway closures and other traffic impacts during construction.

 

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In the News

eBart-video

In the News

The newest segment in the ongoing “Ask BART” series looks at the East Contra Costa BART Extension (eBART). eBART will extend the BART system 10 miles east of the Pittsburg/Bay Point Station along Highway 4, into Antioch.

Watch the Video >