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Mountain Road Report

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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.

California Highway 4
California Highway 12
California Highway 26
California Highway 49
Highway 50

Tuolumne County J59 Interstate 80 California Highway 88 California Highway 99 California Highway 108 California Highway 120

Highway 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) - DUE TO ADVERSE WEATHER - MOTORISTS
ARE ADVISED TO USE AN ALTERNATE ROUTE

Highway 12

[IN THE CENTRAL CALIFORNIA AREA]

1-WAY CONTROLLED TRAFFIC 4.6 MI WEST OF SONOMA (SONOMA CO) FROM 0900 HRS TO
1400 HRS ON 12/7/21 - DUE TO TREE WORK

1-WAY CONTROLLED TRAFFIC AT VARIOUS LOCATIONS FROM THE SOLANO/SACRAMENTO
COUNTY LINE TO THE JCT OF SR 160 FROM 2000 HRS EACH NIGHT TO 0400 HRS EACH
MORNING 7 DAYS A WEEK THRU 12/10/21 - DUE TO MAINTENANCE

THERE IS A DENSE FOG ADVISORY IN EFFECT FROM THE SONOMA/NAPA CO LINE TO
THE NAPA/SOLANO CO LINE - MOTORISTS ARE ADVISED TO DRIVE WITH CAUTION

Highway 26

[IN THE CENTRAL CALIFORNIA & SIERRA NEVADA]

NO TRAFFIC RESTRICTIONS ARE REPORTED FOR THIS AREA.

Highway 49

[IN THE CENTRAL CALIFORNIA AREA]

NO TRAFFIC RESTRICTIONS ARE REPORTED FOR THIS AREA.

[IN THE NORTHERN CALIFORNIA AREA]

1-WAY CONTROLLED TRAFFIC 6.1 MI NORTH OF NEVADA CITY
/AT INDEPENDENCE TRAIL/ (NEVADA CO) - DUE TO AN OVERTURNED VEHICLE

Highway 50

[IN THE SACRAMENTO VALLEY & THE LAKE TAHOE BASIN]

THERE IS A DENSE FOG ADVISORY IN EFFECT FROM THE JCT OF I 80
/IN WEST SACRAMENTO/ (YOLO CO) TO THE YOLO/SACRAMENTO CO LINE - MOTORISTS
ARE ADVISED TO DRIVE WITH CAUTION

Highway 59

[IN THE CENTRAL CALIFORNIA AREA]

NO TRAFFIC RESTRICTIONS ARE REPORTED FOR THIS AREA.

Highway 80

[IN THE SAN FRANCISCO BAY AREA - SOLANO CO]

THERE IS A DENSE FOG ADVISORY IN EFFECT FROM 2 MI EAST OF FAIRFIELD
/AT PLEASANT VALLEY RD/ TO THE SOLANO/SACRAMENTO COUNTY LINE - MOTORISTS ARE
ADVISED TO DRIVE WITH CAUTION

[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

Highway 88

[IN THE CENTRAL CALIFORNIA & SIERRA NEVADA]

NO TRAFFIC RESTRICTIONS ARE REPORTED FOR THIS AREA.

Highway 99

[IN THE CENTRAL CALIFORNIA AREA]

IS CLOSED TO NORTHBOUND TRAFFIC FROM 12.2 MI NORTH TO 12.8 MI NORTH OF THE
KERN/TULARE CO LINE /AT COURT ST/ FROM 2100 HRS EACH NIGHT TO 0600 HRS EACH
MORNING TUESDAY THRU FRIDAY THRU 12/29/21 - DUE TO CONSTRUCTION - MOTORISTS ARE
ADVISED TO USE AN ALTERNATE ROUTE

[IN THE NORTHERN CALIFORNIA AREA]

THERE IS A DENSE FOG ADVISORY IN EFFECT FROM THE SACRAMENTO/SUTTER CO LINE
TO TO THE SUTTER/BUTTE CO LINE - MOTORISTS ARE ADVISED TO DRIVE WITH CAUTION

Highway 108

[IN THE CENTRAL CALIFORNIA AREA & SIERRA NEVADA]

IS CLOSED FROM 26.4 MI EAST OF STRAWBERRY (TUOLUMNE CO) TO 5.3 MI WEST OF
THE JCT OF US 395 (MONO CO) /SONORA PASS/ - DUE TO ADVERSE WEATHER - MOTORISTS
ARE ADVISED TO USE AN ALTERNATE ROUTE

[YOSEMITE NAT'L PARK]

FOR YOSEMITE NAT'L PARK ROAD INFORMATION CALL 209-372-0200

Highway 120

[IN THE CENTRAL CALIFORNIA AREA & SIERRA NEVADA]

IS CLOSED FROM CRANE FLAT (TUOLUMNE CO) TO THE TUOLUMNE/MONO CO LINE
/AT TIOGA PASS/ (MONO CO) - DUE TO SNOW - MOTORISTS ARE ADVISED TO USE AN
ALTERNATE ROUTE

[YOSEMITE NAT'L PARK]

FOR YOSEMITE NAT'L PARK ROAD INFORMATION CALL 209-372-0200

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