Road Information

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This highway information is the latest reported as of Thursday, January 22nd, 2026 at 12:04 PM.

SR 121

[IN THE CENTRAL CALIFORNIA AREA]
Is closed 2.6 mi east of the Jct of SR 12 (Sonoma Co) - Due to an overturned big rig - Motorists are advised to use an alternate route

1-way controlled traffic 6.8 mi north of Petaluma /at Arnold Dr/ (Sonoma Co) from 0900 hrs to 1500 hrs on 1/15/26 - Due to tree work