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
THE EASTBOUND CONNECTOR TO NORTHBOUND & SOUTHBOUND I 5 /IN STOCKTON/
(SAN JOAQUIN CO) IS CLOSED FROM 2000 HRS EACH NIGHT TO 0600 HRS EACH MORNING
MONDAY THRU SUNDAY THRU 2/5/23 - DUE TO CONSTRUCTION - MOTORISTS ARE ADVISED TO
USE AN ALTERNATE ROUTE
THE WESTBOUND CONNECTOR TO SOUTHBOUND I 5 /IN STOCKTON/ (SAN JOAQUIN CO)
IS CLOSED FROM 2100 HRS EACH NIGHT TO 0500 HRS EACH MORNING MONDAY THRU FRIDAY
THRU 2/3/23 - DUE TO CONSTRUCTION - MOTORISTS ARE ADVISED TO USE AN ALTERNATE
ROUTE
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
CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW
TIRES ON ALL 4 WHEELS FROM COTTAGE SPRINGS (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.
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
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 0500 HRS EACH MORNING
MONDAY THRU SUNDAY THRU 2/5/23 - DUE TO CONSTRUCTION - MOTORISTS ARE ADVISED TO
USE AN ALTERNATE ROUTE
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
NO TRAFFIC RESTRICTIONS ARE REPORTED FOR THIS AREA.
[IN THE NORTHERN CALIFORNIA AREA]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 MONDAY THRU
SATURDAY THRU 2/4/23 - DUE TO CONSTRUCTION - MOTORISTS ARE ADVISED TO USE AN
ALTERNATE ROUTE
Highway 59
NO TRAFFIC RESTRICTIONS ARE REPORTED FOR THIS AREA.
Highway 80
NO TRAFFIC RESTRICTIONS ARE REPORTED FOR THIS AREA.
[IN THE NORTHERN CALIFORNIA AREA & SIERRA NEVADA]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
A HIGH WIND ADVISORY IS IN EFFECT FROM THE SOLANO/YOLO CO LINE TO THE
YOLO/SACRAMENTO CO LINE - TRAVEL IS NOT RECOMMENDED FOR CAMPERS, TRAILERS, OR
PERMIT LOADS
Highway 88
CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW
TIRES ON ALL 4 WHEELS FROM COOKS STATION (AMADOR CO) TO
5 MI WEST OF PICKETTS JCT (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.
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
CHAINS OR SNOW TIRES ARE REQUIRED FROM LONG BARN TO 7.2 MI EAST OF
STRAWBERRY (TUOLUMNE CO)
CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW
TIRES ON ALL 4 WHEELS FROM PINECREST TO 7.2 MI EAST OF STRAWBERRY
(TUOLUMNE 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
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 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
