Chain Controls in Effect on Mountain Highways

As of 1:57 p.m., all chain controls have been lifted.

To view Caltrans interactive website which shows current chain controls and snow plow tracking go to:

http://quickmap.dot.ca.gov

The first chain controls were activated at 2:42 a.m. on 5/2/18.

As of 7:48 a.m., chain controls were at Heaps Peak dump on highway 18 to the Big Bear Dam.

As of 6:30 a.m., chain control status was as shown below:

SR 18

[IN THE SOUTHERN CALIFORNIA AREA]
CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW TIRES ON ALL 4 WHEELS FROM THE JCT OF SR 189 TO BIG BEAR DAM (SAN BERNARDINO CO)

SR 330

[IN THE SOUTHERN CALIFORNIA AREA]
CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW TIRES ON ALL 4 WHEELS FROM LOWER PASSING LANE TO THE JCT OF SR 18 (SAN BERNARDINO CO)

SR 38

[IN THE SOUTHERN CALIFORNIA AREA]
NO TRAFFIC RESTRICTIONS ARE REPORTED FOR THIS AREA.

SR 189

[IN THE SOUTHERN CALIFORNIA AREA]
CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW TIRES ON ALL 4 WHEELS FROM THE JCT OF SR 18 TO THE JCT OF SR 173 (SAN BERNARDINO CO)

SR 173

[IN THE SOUTHERN CALIFORNIA AREA]
CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW TIRES ON ALL 4 WHEELS FROM GRASS VALLEY RD TO THE JCT OF SR 18 (SAN BERNARDINO CO)

SR 138

[IN THE SOUTHERN CALIFORNIA AREA]
NO TRAFFIC RESTRICTIONS ARE REPORTED FOR THIS AREA.