Road Information

Know before you go:  National Weather Service  -  Caltrans Social Media  -  QuickMap Real-time Travel Information

This highway information is the latest reported as of Saturday, November 14th, 2026 at 11:40 PM.

SR 203

[IN THE CENTRAL CALIFORNIA AREA & SIERRA NEVADA]
Is closed from the Mammoth Mountain Inn (Mono Co) to the Mono/Madera Co Line - For the winter - Motorists are advised to use an alternate route

Chains or snow tires are required from Forest Trail Trail to Mammoth Mountain Lodge (Mono Co)

Please research chain control locations as Caltrans is currently working to update chain control descriptions for consistency with quickmap.dot.ca.gov

US 395

[IN THE SOUTHERN CALIFORNIA AREA]
No traffic restrictions are reported for this area.

[IN THE CENTRAL CALIFORNIA AREA]
Chains or snow tires are required from the Jct of SR 203 to the Jct of SR 158 (Mono Co)

Chains or snow tires are required from 3 mi north of Bridgeport to 17 mi south of the Nevada State line (Mono Co)

1-way controlled traffic at various locations from 1.5 mi north of the Jct of SR 190 to 2 mi north of the Jct of SR 190 /at Cactus Flats Rd/ (Inyo Co) - Due to emergency repairs

A high wind advisory is in effect from Pearsonville to Bishop Wye Road (Inyo Co) - Travel is not recommended for campers, trailers, or permit loads

A high wind advisory is in effect from Bridgeport (Mono Co) to the Nevada State Line - Travel is not recommended for campers, trailers, or permit loads

Please research chain control locations as Caltrans is currently working to update chain control descriptions for consistency with quickmap.dot.ca.gov

[IN THE NORTHERN CALIFORNIA AREA]
A high wind advisory is in effect from Johnstonville (Lassen Co) to the Nevada State Line - Travel is not recommended for campers, trailers, or permit loads