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

As of Wednesday 2:21PM, there is 1 CHP incidents happening now see live traffic on Google maps below. Find out if SR-20 is open, access 20 live traffic cameras, and details on CalTran's 6 active lane closures, see info on some restricted road conditions, and more.
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SR-20 Real-time Traffic Cameras

20 cameras on route
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Traffic Accidents & Alerts on SR-20


Assist CT with Maintenance 600 MM20 E COL 6.00 in Williams

93-r1 vehicle 0311 sm 127420

  • 93-r1 Vehicle 0311 Sm 127420
Wed
15

What accidents happened on SR-20 today?

Tap to see every CHP accident reported today on SR-20
Tue
14

What happened on SR-20 yesterday?

Tap to see all CHP accidents reported Tuesday 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 CalTrans lane closures
Summary of current and upcoming CalTrans lane closures and construction work on SR-20 in California.
: There are six CalTrans closures this afternoon primarily affecting areas near Le Trianon Resort, 9701 CA-20, Williams, Hoover St, and Eleventh Ave.

Upcoming Closures:

2 Closures: Two closures are planned for tomorrow morning, primarily affecting areas near Le Trianon Resort, and 9701 CA-20.
4 Closures: Four closures are scheduled for mid-day today, primarily affecting areas near Le Trianon Resort, 9701 CA-20, Williams, and Hoover St.
2 Closures: Two closures are scheduled for this evening, primarily affecting areas near Le Trianon Resort, and 9701 CA-20.
2 Closures: Two closures are planned late this evening and/or overnight, primarily affecting areas near Le Trianon Resort, and 9701 CA-20.
Next 3 Days:
2 Closures: Over the next three days, two closures are planned primarily affecting areas near Le Trianon Resort, and 9701 CA-20.
Detailed List of Lane Closures

CalTrans Road Conditions SR-20


Detailed List of Road Conditions
SR-20

In Northern California

1-way controlled traffic from 1.1 mi east to 2.4 mi east of the south Jct of US 101 (Mendocino Co) 24 hrs a day 7 days a week - Due to construction - Motorists are subject to delays of up to 15 minutes
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 3/1/25 - Due to construction - Motorists are subject to delays of up to 15 minutes

Chain Control on SR-20

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.

Top CHP Incidents Happening Now

FSP I-405 North Orange County

Collision Involving a Motorcycle on I-405 North at Brookhurst St Off-ramp with Ambulance en route in Orange County

Civic Mc Down On The Offramp
I-405 sign
CHP logoI-405 North Orange County

Collision Involving a Motorcycle on I-405 North at Brookhurst St Off-ramp with Ambulance En route in Westminster

Civic Mc Down On The Offramp
I-405 sign
CHP logoI-110 South Los Angeles

Traffic Collision on I-110 South at Exposition Blvd with Ambulance En route in Central LA

#2 Dark Toyota Prius / Unknown Vehicle
I-110 sign
CHP logoI-80 East Bay Area

Traffic Collision on I-80 East at Fitzgerald Dr W On-ramp with Unknown Injuries in Oakland

Open Line / No Response
I-80 sign
CHP logoI-10 East Los Angeles

Traffic Collision on I-10 East at I-605 with Unknown Injuries in East LA

Dwp Pickup Truck Vs Blue Kia Vs Gray Kia Vs Blue Nissan Suv All Vehicles On Right Shoulder
I-10 sign
Map image of Altadena near the CHP incident
CHP logoI-5 North Los Angeles

Traffic Collision on I-5 North at E Burbank Blvd with No Known Injuries in Altadena

Party Vehicle-trac/trailer Vs Gray Lexus Lic/9acz357 Both On Right Shoulder
Map image of Altadena near the CHP incident
I-5 sign
CHP logoI-605 North Los Angeles

Traffic Collision on I-605 North at Firestone Blvd with No Known Injuries in Santa Fe Springs

83-d14 Advised Party In Lobby Req Take A Report For Crash That Occured Apx 0800 This Morn Northbound 605 Near Firestone
Advised At Time Of Crash Both Parties Advised Not Enough Damage To Vehicles To Exch Info So They Contd On
I-605 sign
Map image of West Valley near the CHP incident
CHP logoI-405 South Los Angeles

Traffic Collision on I-405 South at SHERMAN WAY Off-ramp with No Known Injuries in West Valley

Semi / Sedan
#4
3 Vehicle Crash - 2 Pick-up Truck Trucks/ One Sedan
I-405 sign
FSP I-405 South Los Angeles

Traffic Collision on I-405 South at Venice Blvd with Unknown Injuries in LAFSP

[chp]-dark Gray Toyota Camry On Right Shoulder - White Bmw Blocking #1 Lane --
Party States His Vehicle Is Not Drivable
Los Angeles Fire Dept. 226 Incid-- 1143
I-405 sign
CHP logoI-215 North San Bernardino

Traffic Collision on I-215 North North of BOX SPRINGS RD with Ambulance En route in Riverside

#3
I-215 sign
CHP logoI-405 South Los Angeles

Traffic Collision on I-405 South at Venice Blvd with Unknown Injuries in West LA

White Bmw / White Vehicle
[chp]-dark Gray Toyota Camry On Right Shoulder - White Bmw Blocking #1 Lane --
Party States His Vehicle Is Not Drivable
I-405 sign
FSP I-710 North Los Angeles

Traffic Collision on I-710 North I-5 North Connector at I-5 North with Unknown Injuries in LAFSP

White Cadi Sedan Vs Unknown
Vehicle Appears Disabled
Involved Was Pushed To Right Shoulder Of Trans
I-710 sign
Map image of Altadena near the CHP incident
Map image of Altadena near the CHP incident
CHP logoI-5 North Los Angeles

Traffic Break I-5 North at SHELDON ST On-ramp in Altadena

Caltrans Requesting A Break To Pick Up A Tire 100 Yards Near The 170 O/pass He Would Like Break To Start At Sheldon On Ramp
I-5 sign
CHP logoI-710 South Los Angeles

Traffic Collision on I-710 South at Anaheim St with No Known Injuries in South LA

Gray Vehicle Vs Maroon Semi In Center Divider
Chp Unit A77-071 - Vehicles Out Of Center Divider Exited At Anaheim
I-710 sign
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