Mountain Road Report
View local traffic conditions on the major roadways, green means that the traffic flow is good; orange means that there is a slow down; and red or dark red indicate very slow conditions. CalTrans reports for a particular highway are below the map or clicking on the highway signs for the road you are interested in.
Highway 4
IS CLOSED FROM THE EAST END OF LAKE ALPINE TO THE JCT OF SR 89
/EBBETTS PASS/ (ALPINE CO) - FOR THE WINTER - MOTORISTS ARE ADVISED TO USE AN
ALTERNATE ROUTE
1-WAY CONTROLLED TRAFFIC AT THE CONTRA COSTA/SAN JOAQUIN CO LINE 24 HRS A
DAY THRU 2200 HRS ON 6/16/23 - DUE TO BIDGE WORK
1-WAY CONTROLLED TRAFFIC AT VARIOUS LOCATIONS FROM LASHKOFF PLACE TO
STRAWBERRY HILL RD /IN FOREST MEADOWS/ (CALAVERAS CO) FROM 0700 HRS TO 1700 HRS
TUESDAY THRU THRUSDAY & FROM 0700 HRS TO 1500 HRS ON FRIDAY 1/27/23 - DUE TO
MAINTENANCE
Highway 12
IS CLOSED TO WESTBOUND TRAFFIC FROM THE JCT OF US 101 TO STONY POINT RD
/IN SANTA ROSA/ (SONOMA CO) FROM 2200 HRS EACH NIGHT TO 0600 HRS EACH MORNING
WEDNESDAY THRU SATURDAY THRU 1/28/23 - DUE TO CONSTRUCTION - MOTORISTS ARE
ADVISED TO USE AN ALTERNATE ROUTE
1-WAY CONTROLLED TRAFFIC AT VARIOUS LOCATIONS FROM 1.3 MI WEST OF
SAN ANDREAS TO 0.9 MI WEST OF SAN ANDREAS /AT CENTRAL HILL RD/ (CALAVERAS CO)
FROM 0700 HRS TO 1700 HRS TUESDAY THRU FRIDAY THRU 1/27/23 - DUE TO MAINTENANCE
Highway 26
1-WAY CONTROLLED TRAFFIC AT GOLD CREEK DR /IN VALLEY SPRINGS/
(CALAVERAS CO) 24 HRS A DAY 7 DAYS A WEEK - DUE TO CONSTRUCTION - MOTORISTS ARE
SUBJECT TO DELAYS
Highway 49
CHAINS OR SNOW TIRES ARE REQUIRED FROM THE MADERA/MARIPOSA CO LINE TO
THE NORTH END OF MARIPOSA (MARIPOSA 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.
CHAINS OR SNOW TIRES ARE REQUIRED FROM 7.3 MI SOUTH OF VINTON TO VINTON
(PLUMAS 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.
1-WAY CONTROLLED TRAFFIC 7.7 MI NORTH OF CAMPTONVILLE (SIERRA CO)
- DUE TO A MUDSLIDE
Highway 50
THE WESTBOUND CONNECTOR TO SOUTHBOUND SR 99 /IN SACRAMENTO/ (SACRAMENTO CO)
IS CLOSED FROM 2300 HRS EACH NIGHT TO 0500 HRS EACH MORNING WEDNESDAY THRU
SATURDAY THRU 1/28/23 - DUE TO CONSTRUCTION - MOTORISTS ARE ADVISED TO USE AN
ALTERNATE ROUTE
Highway 59
IS CLOSED FROM 7 MI NORTH OF THE JCT OF SR 152 /AT SANDY MUSH RD/ TO
1 MI SOUTH OF MERCED /AT MISSION RD/ (MERCED CO) - DUE TO FLOODING
- MOTORISTS ARE ADVISED TO USE AN ALTERNATE ROUTE
Highway 80
A HIGH WIND ADVISORY IS IN EFFECT AT THE SAN FRANCISCO-OAKLAND BAY BRIDGE
/IN SAN FRANCISCO/ (SAN FRANCISCO,ALAMEDA CO) - TRAVEL IS NOT RECOMMENDED
FOR CAMPERS, TRAILERS, OR PERMIT LOADS
ALL WESTBOUND TRUCKS ARE REQUIRED TO STOP AT THE BRAKE CHECK AREA
0.5 MI WEST OF NYACK (PLACER CO) - TO REDUCE THE RISK OF BRAKE FIRES
Highway 88
TRUCKS OVER 65 ARE PROHIBITED FROM THE JCT OF SR 49 (AMADOR CO) TO THE
NEVADA STATE LINE
Highway 99
NO TRAFFIC RESTRICTIONS ARE REPORTED FOR THIS AREA.
[IN THE NORTHERN CALIFORNIA AREA]NO TRAFFIC RESTRICTIONS ARE REPORTED FOR THIS AREA.
Highway 108
IS CLOSED FROM 7.2 MI EAST OF STRAWBERRY TO 3 MI WEST OF THE JCT OF US 395
(TUOLUMNE,MONO CO) /SONORA PASS/ - FOR THE WINTER - MOTORISTS ARE ADVISED TO
USE AN ALTERNATE ROUTE
FOR YOSEMITE NAT'L PARK ROAD INFORMATION CALL 209-372-0200
Highway 120
IS CLOSED FROM CRANE FLAT TO 3 MI WEST OF THE JCT OF US 395 /TIOGA PASS/
(TUOLUMNE, MONO CO) - FOR THE WINTER - MOTORISTS ARE ADVISED TO USE AN
ALTERNATE ROUTE
IS CLOSED FROM 5 MI EAST OF THE JCT OF US 395 TO 7 MI WEST OF THE
JCT OF US 6 /AT BENTON CROSSING RD/ (MONO 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 15 MI WEST OF GROVELAND TO THE
YOSEMITE NATIONAL PARK BOUNDARY (TUOLUMNE CO)
CHAINS OR SNOW TIRES ARE REQUIRED FROM BENTON CROSSING RD TO OLD BENTON
HOT SPTINGS (MONO 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.
FOR YOSEMITE NAT'L PARK ROAD INFORMATION CALL 209-372-0200
