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California State Route SR-20 Yuba-Donner Scenic Byway Traffic & Road Conditions

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CHP Traffic Incidents, Accidents & Alerts on SR-20
No reported CHP Traffic incidents for this route.
All Accidents SR-20 Today All Yesterday

CalTrans Road Conditions SR-20


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SR-20

In The Northern California Area

1-way controlled traffic at various locations from Road 144 in Calpella to 4.1 mi east of Calpella at Potter Valley Rd (Mendocino Co) from 0600 hrs to 1800 hrs Monday thru Friday thru 5/24/24 - Due to utility work
SR-20

In The Northern California Area

1-way controlled traffic at various locations from 1.1 mi east to 2.4 mi east of the Mendocino/Lake Co Line 24 hrs a day 7 days a week thru 1400 hrs on 11/27/24 - Due to construction - Motorists are subject to delays of up to 15 minutes
Data provided by CalTrans. NOT FOR EMERGENCY USE. In an emergency visit official CalTrans website.

SR-20 Major Junctions (7)

CalTrans Message Signs for SR-20 (5) - See All

Real-time highway message signs with travel times, travel, wind, fog and chain controls alerts and accident conditions.

CalTrans Lane & Road Closures on Highway SR-20

How does freeway lane numbering work?
20

N/A

Active

In Yuba City Lanes #1, #2 will be closed overnight for striping operation along N/abound Highway 20 at George Washington Blvd from May 17 at 6:01PM to May 18 at 5:59AM.

From: George Washington Blvd to Route 20 in Yuba City
Google Maps & Street View
ID: C20FB-0001-2024-05-17-18:01:00
20

N/A

Active

In Yuba City Lanes #1, #2 will be closed overnight for striping operation along N/abound Highway 20 at George Washington Blvd from May 17 at 6:01PM to May 18 at 5:59AM.

From: George Washington Blvd to Route 20 in Yuba City
Google Maps & Street View
ID: C20FB-0002-2024-05-17-18:01:00

In Grass Valley All lanes will be closed overnight for drainage cleaning along Westbound Highway 20 at Idaho-Maryland (East Main St) from May 19 at 6:01PM to May 20 at 5:59AM.

From: Idaho-Maryland (East Main St) to Route 20 in Grass Valley WB off ramp closure for East Main
Google Maps & Street View
ID: C20IA-0031-2024-05-19-18:01:00

In Nevada City Lane #2 will be closed overnight for drainage cleaning along Westbound Highway 20 at Sacramento St from May 19 at 6:01PM to May 20 at 5:59AM.

From: Sacramento St to Sacramento St in Nevada City WB Lane 2 closure by Sta 336+00
Google Maps & Street View
ID: C20IA-0006-2024-05-19-18:01:06

In Grass Valley Lane #1 will be closed overnight for drainage cleaning along Westbound Highway 20 at Auburn St from May 19 at 6:01PM to May 20 at 5:59AM.

From: Auburn St to Auburn St in Grass Valley WB Lane 1 Closure by Sta 123+00
Google Maps & Street View
ID: C20IA-0026-2024-05-19-18:01:08
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