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
Is closed from the Mt Reba Turnoff to 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 various locations from Van Allen Dr to
Escalon Bellota Rd /in Farmington/ (San Joaquin Co) from 0900 hrs to 1500 hrs
Monday thru Friday thru 3/7/25 - Due to construction
Highway 12
No traffic restrictions are reported for this area.
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]No traffic restrictions are reported for this area.
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]**For Eastbound Traffic:
Eastbound trucks are being screened at Applegate (Placer Co) - Drivers must
have maximum chains in their possession in order to proceed - Permit loads are
prohibited
**For Westbound Traffic:
Westbound trucks are being screened 5 mi west of Reno /at Mogul/ (Washoe Co)
- Drivers must have maximum chains in their possession in order to proceed
- Permit loads are prohibited
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
Chains are required on all vehicles except 4-wheel-drive vehicles with snow
tires on all 4 wheels from Cook's Station (Amador Co) to 5 mi west of
Picketts Jct (Alpine 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
Highway 99
Is closed to northbound traffic from 4.5 mi north to 5 mi north of the
Stanislaus/San Jaoquin Co Line from 2200 hrs each night to 0400 hrs each
morning Monday thru Friday thru 3/7/25 - Due to construction - Motorists are
advised to use an alternate route
The northbound connector to eastbound & westbound US 50 /in Sacramento/
(Sacramento Co) is closed from 2359 hrs each night to 0600 hrs each morning
Monday thru Friday thru 3/78/25 - Due to construction - Motorists are advised
to use an alternate route
Highway 108
Is closed from 7.2 mi east of Strawberry to 5.3 mi west of the
Jct of US 395 /Sonora Pass/ (Tuolumne,Mono Co) - For the winter - Motorists are
advised to use an alternate route
Chains are required on all vehicles except 4-wheel-drive vehicles with snow
tires on all 4 wheels from 7 mi east of Long Barn to 7.2 mi east of Strawberry
(Tuolumne 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 Yosemite Nat'l Park road information call 209-372-0200
Highway 120
Is closed from Crane Flat to 3.5 mi west of the North Jct of US 395
/Tioga Pass/ (Tuolumne, Mono Co) - For the winter - Motorists are advised
to use an alternate route
Is closed from 5.1 mi east of the South Jct of US 395 to 7.5 mi west of
the Jct of US 6 (Mono Co) - For the winter - Motorists are advised to use an
alternate route
Chains are required on all vehicles except 4-wheel-drive vehicles with snow
tires on all 4 wheels from 3 mi west of Yosemite National Park Boundary to
the Yosemite NAtional Park Boundary (Tuolumne 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
