You can check the Road Conditions link at the top of the page.
The highway is open.
SR 4
[IN THE CENTRAL CALIFORNIA AREA]
IS CLOSED FROM 0.5 MI EAST OF THE JCT OF SR 207 /MT REBA TURNOFF/ TO THE
JCT OF SR 89 /EBBETTS PASS/ (ALPINE CO) – FOR THE WINTER – MOTORISTS ARE
ADVISED TO USE AN ALTERNATE ROUTE
CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW TIRES ON ALL 4 WHEELS FROM ARNOLD TO CABBAGE PATCH (CALAVERAS CO)
CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW TIRES ON ALL 4 WHEELS FROM CABBAGE PATCH (CALAVERAS CO) TO THE MT REBA TURNOFF
(ALPINE CO)
PLEASE RESEARCH CHAIN CONTROL LOCATIONS AS CALTRANS IS CURRENTLY WORKING TO
UPDATE CHAIN CONTROL DESCRIPTIONS FOR CONSISTENCY WITH INTERNET MAPPING,
LIKE GOOGLE MAPS & MAPQUEST.