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
The eastbound & westbound connectors to northbound & southbound I 5
(San Joaquin Co) are closed from 2000 hrs each night to 0600 hrs each morning
Tuesday thru Friday thru 6/2/23 - Due to construction - Motorists are advised
to use an alternate route
Is closed from the east end of Lake Alpine to 2.4 mi west of the
Jct of SR 89 /Ebbetts Pass/ (Alpine Co) - For the winter - Motorists are
advised to use an alternate route
1-way controlled traffic at the Contra Costa/San Joaquin Co Line 24 hrs a
day thru 2000 hrs on Friday 6/16/23 - Due to construction
Highway 12
1-way controlled traffic at various locations from Lawndale Rd to Green St
/in Lawndale/ (Sonoma Co) from 2000 hrs each night to 0600 hrs each morning
Tuesday thru Friday thru 6/2/23 - Due to construction
1-way controlled traffic at various locations from Front St /in Rio Vista/
(Solano Co) to the Jct of SR 160 (Sacramento Co) from 2000 hrs each night to
0500 hrs each morning Tuesday thru Friday thru 6/2/23 - Due to construction
Highway 26
No traffic restrictions are reported for this area.
Highway 49
No traffic restrictions are reported for this area.
[IN THE NORTHERN CALIFORNIA AREA]1-way controlled traffic at various locations from 14.6 mi north of
Nevada City /at School St/ (Nevada Co) to 0.1 mi south of the
Nevada/Yuba Co Line /at Middle Fork Yuba River Bridge/ from 0700 hrs to 1800 hrs
Tuesday thru Thursday thru 6/1/23 - Due to maintenance
1-way controlled traffic 7.7 mi north of Camptonville (Sierra Co)
24 hrs a day thru 1800 hrs on 6/1/23 - Due to emergency roadwork
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]All westbound trucks are required to stop at the brake check area
0.5 mi west of Nyack (Placer Co) - To reduced the rosk of brake fires
No traffic restrictions are reported for this area.
Highway 88
No traffic restrictions are reported for this area.
Trucks over 65 feet are prohibited from the Jct of SR 49 (Amador Co) to the
Nevada State Line
Highway 99
No traffic restrictions are reported for this area.
[IN THE NORTHERN CALIFORNIA AREA]No traffic restrictions are reported for this area.
Highway 108
Is closed from 26.4 mi east of Strawberry to 3 mi west of the Jct of US 395
(Tuolumne,Mono Co) /Sonora Pass/ - For the winter - Motorists are advised to
use an alternate route
For Yosemite Nat'l Park road information call 209-372-0200
Highway 120
Is closed from Crane Flat to 3 mi west of the 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
