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.
Mountain Road Report
Highway 4
No traffic restrictions are reported for this area.
Highway 12
Is closed at the Rio Vista Bridge (Solano Co) 24 hrs a day from 2100 hrs
on 11/7/25 to 0400 hrs on 11/10/25 - Due to construction - Motorists are
advised to use an alternate route
1-way controlled traffic at various locations from Lawler Ranch Pwky
/in Suisun/ to 7.3 mi east of Suisuin /at Denverton Bridge (Solano Co) from
2100 hrs each night to 0700 hrs each morning Friday thru Monday thru 11/3/25
- Due to construction
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
No traffic restrictions are reported for this area.
[IN THE NORTHERN CALIFORNIA AREA]No traffic restrictions are reported for this area.
Highway 50
Is closed to westbound traffic from the Jct of I 5 to Harbor Blvd
/in Sacramento/ (Sacramento Co) from 2200 hrs on 10/31/25 to 0400 hrs on
11/3/25 - Due to construction - Motorists are advised to use an alternate route
No traffic restrictions are reported for this area.
Highway 59
No traffic restrictions are reported for this area.
Highway 80
Westbound traffic is reduced to 2 lanes at American Canyon Rd /in Vallejo/
(Solano Co) - Due to a traffic collision
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.
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]Is closed to northbound traffic at Laguna Blvd /in Elk Grove/
(Sacramento Co) - Due to a traffic collision - Motorists are advised to use an
alternate route
Highway 108
No traffic restrictions are reported for this area.
[YOSEMITE NAT'L PARK]For Yosemite Nat'l Park road information call 209-372-0200
Highway 120
No traffic restrictions are reported for this area.
[YOSEMITE NAT'L PARK]For Yosenite Nat'l Park road information call 209-372-0200
Local Traffic New
Events
Columbia College Dogwood Theater | 5:00 pm - 7:00 pm
Sierra Professional Association's Weekly Meeting
My Garden Cafe | 7:00 am - 8:00 am
Bingo Night
Sonora Elks Lodge | 5:00 pm - 8:00 pm
Columbia College Dogwood Theater | 5:00 pm - 7:00 pm
Meadow Invasive Plant Removal
Tuolumne River Trust | 9:00 am - 3:00 pm
Tuolumne County Arts | 7:00 am - 9:00 pm
Virtual Columbia College Financial Aid Nights
Columbia College Dogwood Theater | 5:00 pm - 7:00 pm
Calaveras Master Gardeners Open Garden Gate
Calaveras Master Gardeners Demonstration Garden | 11:00 am - 4:00 pm
Tuolumne County Arts | 7:00 am - 9:00 pm
Virtual Columbia College Financial Aid Nights
Columbia College Dogwood Theater | 5:00 pm - 7:00 pm
Mind Over Matter
Tuolumne County Enrichment Center | 11:00 am - 2:00 pm












