Road Information

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

Check Current Highway Conditions

 
You can also call 1-800-427-7623 for current highway conditions. Mobile

This highway information is the latest reported as of Sunday, November 16th, 2025 at 03:59 AM.

SR 4

[IN THE CENTRAL CALIFORNIA AREA]
Is closed from Lake Alpine to the Jct of SR 89 /Ebbetts Pass/ (Alpine Co) - Due to snow - 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 Tamarack (Calaveras Co) to Mt Reba (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