California Department of Transportation
 

Current State Route 70 Conditions

Before driving, check with the Caltrans Highway Information Network (CHIN) 800.427.7623


SR 70 
    [IN THE NORTHERN CALIFORNIA AREA]
    CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW
TIRES ON ALL 4 WHEELS FROM 10 MI EAST OF QUINCY TO 8 MI WEST OF BLAIRSDEN 
(PLUMAS CO) /LEE SUMMIT/ 

    CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW
TIRES ON ALL 4 WHEELS FROM BLAIRSDEN TO PORTOLA (PLUMAS CO) 

    CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW
TIRES ON ALL 4 WHEELS FROM 1 MI EAST OF PORTOLA TO BECKWOURTH (PLUMAS CO) 

    CHAINS OR SNOW TIRES ARE REQUIRED FROM PORTOLA TO VINTON (LASSEN CO) 

    CHAINS OR SNOW TIRES ARE REQUIRED FROM VINTON (PLUMAS CO) TO HALLELUJAH JCT
(LASSEN CO) /BECKWOURTH PASS/

    1-WAY CONTROLLED TRAFFIC 1.5 MI EAST OF PULGA (BUTTE CO) - DUE TO A 
SLIP-OUT 

PLEASE RESEARCH CHAIN CONTROL LOCATIONS AS CALTRANS IS CURRENTLY WORKING TO 
UPDATE CHAIN CONTROL DESCRIPTIONS FOR CONSISTENCY WITH INTERNET MAPPING, 
LIKE GOOGLE MAPS & MAPQUEST.

    TRACTOR-SEMITRAILER COMBINATIONS OVER 65 FEET & ALL TRACTOR-SEMITRAILER
COMBINATIONS /DOUBLES/ OVER 75 FEET IN TOTAL LENGTH ARE PROHIBITED FROM 
13 MI EAST OF THE JCT OF SR 191 TO THE NORTH JCT OF SR 89 /GREENVILLE WYE/ 
(PLUMAS CO) - ALTERNATE ROUTES ARE AVAILABLE