Road Information

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This highway information is the latest reported as of Saturday, August 15th, 2026 at 11:47 PM.

SR 4

[IN THE CENTRAL CALIFORNIA AREA]
Is closed from the Contra Costa/San Joaquin Co Line to 14 mi east of the Contra Costa/San Joqauin Co Line /at San Joaquin River/ from 2200 hrs each night to 0500 hrs each morning Saturday thru Monday thru 8/17/26 - Due to construction - Motorists are advised to use an alternate route

1-way controlled traffic at various locations from Big Trees Park Entrance to Meko Dr /in Big Trees/ (Calaveras Co) from 0700 hrs to 1500 hrs Monday thru Friday thru 8/14/26 - Due to construction