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.
Is closed from 0.6 mi east of Lake Alpine to 7.2 mi west of the
Jct of SR 89 /Ebbetts Pass/ (Alpine Co) - Due to snow - Motorists are advised
to use an alternate route
There is a dense fog advisory in effect from Cummings Skyway to
Alhambra Blvd (Contra Costa Co) - Motorists are advised to drive with caution
There is a dense fog advisory in effect from the Napa/Solano Co line to
the Jct of SR 24 (Napa Co) - Motorists are advised to drive with caution
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
No traffic restrictions are reported for this area.
[IN THE NORTHERN CALIFORNIA AREA]Is closed to all tractor-semitrailer combinations from 2.4 mi north of
Nevada City /at Newton Rd/ (Nevada Co) to Sierraville (Sierra Co) - Due to
traction concerns
No traffic restrictions are reported for this area.
[CAPITAL CITY FREEWAY]No traffic restrictions are reported for this area.
No traffic restrictions are reported for this area.
There is a dense fog advisory in effect from 2 mi east of Vallejo
/at American Canyon Rd/ to Red Top Rd /in Cordelia/ (Solano Co) - Motorists
are advised to drive with caution
There is a dense fog advisory in effect from the Solano/Yolo Co line to
the Sacramento/Placer Co Line - Motorists are advised to drive with caution
No traffic restrictions are reported for this area.
No traffic restrictions are reported for this area.
There is a dense fog advisory in effect from the Madera/Merced co line to
the Merced/Stanislaus Co line - Motorists are advised to drive with caution
There is a dense fog advisory in effect from the Sacramento/Sutter Co Line
to the Sutter/Butte Co Line - Motorists are advised to drive with caution
Is closed from 7.2 mi east of Strawberry (Tuolumne Co) to 5.8 mi west of
the Jct of US 395 (Mono Co) /Sonora Pass/ - For winter - Motorists are
advised to use an alternate route
For Yosemite Nat'l Park road information call 209-372-0200
Is closed at the Yosemite National Park Boundary (Tuolumne) to 3.5 mi west
of the North Jct of US 395 /Tioga Pass/ (Mono Co) - For the winter - Motorists
are advised to use an alternate route
Is closed from 2 mi east of the Jct of US 395 to 6 mi west of the Jct of
US 6 (Mono Co) - For the winter - Motorists are advised to use an alternate
route
Is closed from 5.2 mi east to 7.1 mi west of the Jct of US 6 (Mono Co)
- Due to snow - Motorists are advised to use an alternate route
Chains or snow tires are required from 5 mi west of the Jct of US 395 to
the Jct of US 395 (Mono Co)
Chains or snow tires are required from 6 mi west of the Jct of SR 6
/at Benton Crossing Rd/ to 3 mi west of the Jct of SR 6 /at Yellow Jacket Rd/
(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 Yosenite Nat'l Park road information call 209-372-0200
Roads Info Last Updated: Wednesday, 31st of December 2025, 07:59:12 AM
