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
No traffic restrictions are reported for this area.
Highway 12
1-way controlled traffic at various locations from Lawler Ranch Parkway
/in Fairfield/ to the Denverton Bridge /in Denverton/ (Solano Co) from
2000 hrs each night to 0500 hrs each morning Monday thru Friday thru 9/19/25
- 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]Is closed to southbound traffic 3.3 mi south of the Placer/Nevada Co line
/at South Fork Dry Creek/ (Placer Co) 24 hrs a day 7 days a week thru 1700 hrs
on 10/31/25 - Due to construction - Motorists are advised to use an alternate
route
Is closed to northbound traffic 3.9 mi north of the Jct of I 80
/at Shale Ridge Rd/ (Placer Co) 24 hrs a day 7 days a week thru 1700 hrs
on 10/31/25 - Due to construction - Motorists are advised to use an alternate
route
1-way controlled traffic at various locations from Diana St
/in Placerville/ to 2.3 mi south of the Jct of SR 153 /at Riverwood Dr/
(El Dorado Co) from 0700 hrs to 1700 hrs Monday thru Firday thru 9/19/25 - Due
to maintenance
Highway 50
The westbound connector to eastbound I 80 /in Sacramento/ (Sacramento Co)
is closed from 2000 hrs each night to 0500 hrs each morning Monday thru Friday
thru 9/19/25 - Due to construction - Motorists are advised to use an alternate
route
The southbound connector to eastbound US 50 /in Sacramento/ (Sacramento Co)
is closed from 2300 hrs each night to 0500 hrs each morning Monday thru Friday
thru 9/19/25 - Due to construction - Motorists are advised to use an alternate
route
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]The westbound connector to eastbound US 50 /in West Sacramento/ (Yolo Co)
is closed 24 hrs a day 7 days a week thru 0300 hrs on 9/18/25 - Due to
construction - A detour is available
Is closed to westbound traffic from 5 mi east of Colfax /at Secret Town Rd/
to 4.4 mi east of Colfax /at Rollins Lake Rd/ (Placer Co) - Due to big rig fire
- A detour is available
Eastbound traffic is reduced to 1 lane from the Jct of SR 174 /in Colfax/
to 3.5 mi east of Colfax (Placer Co) - Due to big rig fire
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
The southbound connector to eastbound US 50 /in Sacramento/ (Sacramento Co)
is closed from 2300 hrs each night to 0500 hrs each morning Monday thru Friday
thru 9/19/25 - Due to construction - Motorists are advised to use an alternate
route
Highway 88
No traffic restrictions are reported for this area.
Highway 99
Southbound traffic is reduced to 1 lane 5.3 mi south of Madera
/at Avenue 9/ (Madera Co) - Due to emergency repairs
The northbound connector to eastbound US 50 /in Sacramento/ (Sacramento Co)
is closed from 2300 hrs each night to 0500 hrs each morning Monday thru Friday
thru 9/19/25 - Due to construction - 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
