Road Information
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Check Current Highway Conditions
This highway information is the latest reported as of Friday, May 22nd, 2026 at 09:49 AM.
SR 4
[IN THE CENTRAL CALIFORNIA AREA]
1-way controlled traffic at the Contra Costa/San Joaquin Co Line
/at Old River Bridge/ 24 hrs a day 7 days a week thru 1900 hrs on 7/26/26
- Due to construction
SR 120
[IN THE CENTRAL CALIFORNIA AREA & SIERRA NEVADA]
No traffic restrictions are reported for this area.
[YOSEMITE NAT'L PARK]
For Yosenite Nat'l Park road information call 209-372-0200
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