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.
There is a dense fog advisory in effect from Cummings skyway /in Hercules/
to Alhambra Ave /in Martinez/ (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 from Foresthill Rd to Union Pacific /in Auburn/ (Placer Co) 24
hrs a day 7 days a week thru 0600 hrs on 12/22/25 - Due to construction
- Motorists are advised to use an alternate route
There is a dense fog advisory in effect from the Jct of I 80 (Yolo Co)
to the Jct of I 5 (Sacramento Co) - Motorists are advised to drive with caution
No traffic restrictions are reported for this area.
No traffic restrictions are reported for this area.
No traffic restrictions are reported for this area.
[IN THE NORTHERN CALIFORNIA AREA & SIERRA NEVADA]There is a dense fog advisory in effect from the Solano/Yolo Co Line to
the Yolo/Sacramento Co Line - Motorists are advised to drive with caution
All westbound trucks are required to stop at the brake check area
0.5 mi west of Nyack (Placer Co) - To reduced the risk of brake fires
No traffic restrictions are reported for this area.
No traffic restrictions are reported for this area.
No traffic restrictions are reported for this area.
[IN THE NORTHERN CALIFORNIA AREA]There is a dense fog advisory in effect from
the San Joaquin/Sacramento Co Line to Sacramento/Sutter Co Line - Motorists
are advised to drive with caution
No traffic restrictions are reported for this area.
[YOSEMITE NAT'L PARK]For Yosemite Nat'l Park road information call 209-372-0200
Is closed at the Yosemite National Park Boundary /Tioga Pass/ (Tuolumne)
- Due to snow - Motorists are advised to use an alternate route
For Yosenite Nat'l Park road information call 209-372-0200
Roads Info Last Updated: Wednesday, 10th of December 2025, 06:59:20 PM
