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

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Traffic Accidents & Alerts on SR-20

Traffic Collision No injury just East of - Williams in District 3

Car Accident on SR-20 Williams with No Known Injuries possibly traffic hazard pick-up truck w/ trailer

  • B39-021b Req Updated Eta From CalTrans
  • [Chp]-CalTrans Eta Is 30 Min
  • Le 2 Vehicle Accident, Property Damage
  • [Chp]-problem Changed From Traffic Collision Ambulance En Route To Traffic Collision-no Injury By Chp
  • Coroner Lane 45 Fire Adv About 15 Gallons Of Fuel
  • [Chp]-CalTrans Eta Is 1 Hour
  • S2
  • Sanders Bringing 2 Trucks And Will See What They Can Do
  • B39-021b Advises O/c Extended Closure
  • Task Sent To CalTrans For Lane 45
  • Per Fire Will Need CalTrans For Fuel Clean Up And Possibly A Front End Loader For Debris And Maybe Need Assistance In Closure
  • B39-021b Fire Has Started CalTrans /Will Need Loader Trailer Destroyed
  • High Tech 530-473-3336 / Neg Truck Avil
  • Selovers Towing 530-473-5399
  • Sanders Towing 530-473-2696
  • Per Text 911 / Fire Is On Scene / Party Nl Trapped
  • B39-021b Tow Truck Required X2
  • CalTrans Via Task
  • [Chp]-both Vehicles Have Tow Vehicles Roadway Is Completely Blocked And Ccso Has One More Dep En Route To Assist W / Direct Traffic
  • Fire Chief Is On Scene
  • Truck Hauling Tlr Stalledin The Eastbound Lane
  • Per Text/911 Neg Injury
  • Per Iphone 911 Text / States Someone Is Trapped In Vehicle
  • Truck Thru Abandoned Vehicle, Occupied Trailer / Blocking
  • [Chp]-problem Changed From Traffic Collision-Unknown Injury To Traffic Collision Ambulance En Route By Chp
  • Bill Ryland - Came Upon Crash As Hit Happend
  • [Chp]-problem Changed From Traffic Hazard To Traffic Collision-Unknown Injury By Chp
  • Additional Vehicle Crash;d Into The Trailer
  • Per Additional Caller All Lanes Blocked
  • Possibly Traffic Hazard Pick-up Truck W/ Trailer

Accidents on SR-20 Today

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Accidents on SR-20 Yesterday

Tap to see all CHP accidents reported Wednesday for SR-20

* NOTE: CHP incident text may be been modified from its original to improve readability, as a result some errors may have been introduced. Data provided by CHP. Official CHP Incidents.

Why is SR-20 closed?

Real-Time Updates on SR-20 closures

Current Status:

No Active Closures: CalTrans data shows no active lane closures along SR-20 at the moment. If you're stuck in traffic it might be something else.

Upcoming Closures:

Morning Commute (5 AM - 9 AM):
7 Closures: For this morning, seven closures are planned. The most affected areas are near Bear River, 80/20 Sep-Yuba Pass Oh, (Diamond Plantation Rd), White Cloud Campground, and Trailer Cove.
Daytime today (9 AM - 3 PM):
No lane closures are currently scheduled along SR-20 during the daytime today.
Evening Commute (3 PM - 7 PM):
29 Closures: For this evening, 29 closures are planned. Of these, 19 are full closures. The most affected areas are near Grass Valley, Nevada City, Sacramento St, Idaho Maryland Rd, and Empire St.
Late/Overnight (7 PM - 5 PM):
1 Closure: There are one closure are planned near Stabler Ln / Walton Ave
Next 3 Days:
5 Closures: Over the next three days, 5 are planned. The most affected areas are near Bear River, 80/20 Sep-Yuba Pass Oh, (Diamond Plantation Rd), White Cloud Campground, and Trailer Cove.
View Lane Closure Details

CalTrans Road Conditions SR-20

View Road Conditions

In Northern California

Is closed at the Jct of SR 16 (Colusa Co) - Due to a traffic collision - Motorists are advised to use an alternate route

In Northern California

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

In Northern California

1-way controlled traffic 0.2 mi west of Willits at Pepperwood Way (Mendocino Co) from 0700 hrs to 1700 hrs Monday thru Friday thru 7/19/24 - Due to maintenance

SR-20 Major Junctions (7)

CalTrans Message Signs for SR-20 (0) - See All

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

What's Happening

List of the top 15 routes with the most CHP incidents today.
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