Road Information
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Check Current Highway Conditions
This highway information is the latest reported as of Wednesday, October 28th, 2026 at 09:39 PM.
SR 128
[IN THE CENTRAL CALIFORNIA AREA]
1-way controlled traffic at various locations from 8.2 mi west to 9 mi west
the Sonoma/Napa Co Line (Sonoma Co) 24 hrs a day 7 days a week thru 1900 hrs on
6/30/27 - Due to construction
[IN THE NORTHERN CALIFORNIA AREA]
1-way controlled traffic at various locations from 4.5 mi west to 6.5 mi
west of the Mendocino/Sonoma Co Line /at Long Valley Creek Bridge/ from 0900 hrs
to 1500 hrs Monday thru Friday thru 10/30/26 - Due to construction