Construction Alert:

Hillcrest Avenue Phasing Map

It takes a lot of planning to replace bridges, add lanes, and widen a median on a highway - all while keeping traffic moving at its original capacity! Check out the graphic of construction staging. 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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Tweets from @4eastcounty

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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