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

This highway information is the latest reported as of Friday, October 23rd, 2026 at 03:03 AM.

US 101

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

[IN THE CENTRAL CALIFORNIA AREA]
The northbound connector to westbound I 80 /in San Francisco/ (San Francisco Co) is closed from 2200 hrs each night to 0600 hrs each morning Wednesday thru Friday thru 10/23/26 - Due to construction - Motorists are advised to use an alternate route

The southbound connector to eastbound & westbound I 80 /in San Francisco/ (San Francisco Co) is closed from 2200 hrs each night to 0600 hrs each morning Wednesday thru Friday thru 10/23/26 - Due to construction - Motorists are advised to use an alternate route

[IN THE NORTHERN CALIFORNIA AREA]
1-way controlled traffic at various locations from 2 mi north to 2.2 mi north of the Jct of SR 271 (Humboldt Co) 24 hrs a day 7 days a week thru 1700 hrs on 10/30/26 - Due to construction

1-way controlled traffic at various locations from the Jct of SR 1 to 2 mi north of the Jct of SR 1 /at Jitney Gulch Bridge/ (Mendocino Co) from 0700 hrs to 1900 hrs Monday thru Friday thru 10/23/26 - Due to construction

1-way controlled traffic at various locations from 4.5 mi north to 7.2 mi north of the Jct of SR 197 /at North Indian Rd/ (Del Norte Co) from 2000 hrs each night to 0700 hrs each morning Tuesday thru Friday thru 10/23/26 - Due to construction