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You can also call 1-800-427-7623 for current highway conditions.

This highway information is the latest reported as of Sunday, June 14th, 2026 at 04:03 PM.

SR 4

[IN THE CENTRAL CALIFORNIA AREA]
1-way controlled traffic at the Contra Costa/San Joaquin Co Line /at Old River Bridge/ 24 hrs a day 7 days a week thru 1900 hrs on 7/26/26 - Due to construction