Mountain Road Report
This map shows real-time local traffic conditions; green means the traffic flow is normal, orange means it is slower than normal, and red and dark red indicates slow and stopped vehicles. Updating Caltrans reports for each highway are below the map click or tap on the highway signs to jump to the road you are interested in.
Highway 4
1-way controlled traffic at various locations from 2.1 mi west of the
Stanislaus/Calaveras Co line /at Dunton Rd/ to the Stanislaus/Calaveras Co Line
- Due to construction
Highway 12
No traffic restrictions are reported for this area.
Highway 26
1-way controlled traffic at various locations from 3.3 mi east to 5.6 mi
east of the Jct of SR 49 /at Rich Gulch Ln/ (Calaveras Co) 24 hrs a day 7
days a week thru 12/31/25 - Due to construction
Highway 49
1-way controlled traffic at various locations from 4.4 mi north
/at Pinceton Way/ to 10.8 mi north of the Jct of SR 140 (Mariposa Co) from
0700 hrs to 1500 hrs Monday thru Friday thru 5/9/25 - Due to construction
1-way controlled traffic at various locations from 1.1 mi south of Cool
/at Cave Valley Rd/ to St Florian Ct /in Cool/ (El Dorado Co) from 0700 hrs to
1900 hrs Monday thru Saturday thru 5/3/25 - Due to maintenance
Highway 50
No traffic restrictions are reported for this area.
[CAPITAL CITY FREEWAY]No traffic restrictions are reported for this area.
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]A high wind advisory is in effect over the Yolo Causeway & Bryte Bend Bride
/west of Sacramento/ (Yolo Co)
No traffic restrictions are reported for this area.
Highway 88
No traffic restrictions are reported for this area.
Highway 99
No traffic restrictions are reported for this area.
[IN THE NORTHERN CALIFORNIA AREA]The northbound connector to westbound US 50 /in Sacramento/ (Sacramento Co)
is closed from 2300 hrs each night to 0400 hrs each morning Tuesday thru
Saturday thru 8/15/25 - Due to construction - Motorists are advised to use an
alternate route
Highway 108
Is closed from 26.4 mi east of Strawberry to 5.3 mi west of the
Jct of US 395 /Sonora Pass/ (Tuolumne,Mono Co) - For the winter - Motorists
are advised to use an alternate route
Chains or snow tires are required from 3.8 mi west of the Jct of US 395 to
the Jct of US 395 (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
Highway 120
Is closed from Crane Flat to 3.5 mi west of the North Jct of US 395
/Tioga Pass/ (Tuolumne, Mono Co) - For the winter - Motorists are advised
to use an alternate route
For Yosenite Nat'l Park road information call 209-372-0200
