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Sierra Mountain Pass Road Conditions in California

Sierra Nevada Mountain pass road conditions, traffic incidents, lane closures, and SIG alerts

CalTrans Traffic Cameras

Data provided by: Caltrans Report broken WebCams

CHP Traffic Incidents (7)

Route/AreaIncident
Sacramento

CHP ID: 240519SA0148
Westbound AT - South Sac in District: 3
US-50 West at Power Inn Road
California 160
Sacramento

CHP ID: 240518SA1449
South Sac in District: 3
SR-160 at Lambert
Sacramento

CHP ID: 240519SA0131
Northbound just South of - South Sac in District: 3
SR-99 North at Florin Rd E
Sacramento

CHP ID: 240519SA0173
Westbound just West of - North Sac in District: 3
Del Paso Rd / Power Line Rd
Sacramento

CHP ID: 240519SA0165
Westbound just West of - East Sac in District: 3
Jackson Rd / Eagles Nest Rd
Sacramento

CHP ID: 240519SA0045
1/4 MILE just West of *NOT ONGOING* - Grass Valley in District: 3
Murphy Rd / Purdon Rd
Chico

CHP ID: 240519CH0014
CHICO CHP OFFICE - Chico in District: 3
413 Southgate Dr

CalTrans Road Conditions


SR-4

In The Central California Area

No traffic restrictions are reported for this area.
SR-28

In The Northern California Area

No traffic restrictions are reported for this area.
SR-36

In The Northern California Area

1-way controlled traffic from 6 mi east of Carlotta at Pamplin Grove to 6.4 mi east of Carlotta at Redwood House Rd (Humboldt Co) 24 hrs a day 7 days a week thru 1500 hrs on 12/27/24 - Due to construction - Motorists are subject to delays of up to 10 minutes
SR-36

In The Northern California Area

1-way controlled traffic from 1.3 mi east of Bridgeville at Little Larabee Creek Bridge to 1.5 mi east of Bridgeville (Humboldt Co) 24 hrs a day 7 days a week thru 1500 hrs on 12/27/24 - Due to construction - Motorists are subject to delays of up to 10 minutes
SR-36

In The Northern California Area

1-way controlled traffic from 4.3 mi west to 4.1 mi west of Dinsmore (Humboldt Co) 24 hrs a day 7 days a week thru 0500 hrs on 6/28/24 - Due to construction
SR-49

In The Central California Area

1-way controlled traffic at the Calaveras/Amador Co Line 24 hrs a day 7 days a week thru 2359 hrs on 10/4/24 - Due to bridge work
SR-49

In The Northern California Area

No traffic restrictions are reported for this area.
US-50

In The Sacramento Valley & The Lake Tahoe Basin

No traffic restrictions are reported for this area.
US-50

Capital City Freeway

No traffic restrictions are reported for this area.
SR-58

In The Central California Area

No traffic restrictions are reported for this area.
SR-70

In The Northern California Area

1-way controlled traffic from West Cresta to East Cresta (Butte Co) 24 hrs a day 7 days a week thru 9/29/25 - Due to bridge work
SR-70

In The Northern California Area

1-way controlled traffic at various locations from 1.6 mi east of Storrie to 1 mi east of Tobin (Plumas Co) 24 hrs a day 7 days a week thru 1800 hrs on 5/19/24 - Due to construction
SR-70

In The Northern California Area

1-way controlled traffic at various locations from 6.2 mi east of Rich Bar to 6.6 mi west of the North Jct of SR 89 (Plumas Co) 24 hrs a day 7 days a week thru 1500 hrs on 7/3/24 - Due to construction - Motorists are subject to delays of up to 15 minutes
SR-70

In The Northern California Area

1-way controlled traffic at various locations from the North Jct of SR 89 Greenville Wye to 1.5 mi east of the North Jct of SR 89 (Plumas Co) - Due to slide repairs
I-80

In The San Francisco Bay Area - Solano Co

No traffic restrictions are reported for this area.
I-80

In The Northern California Area & Sierra Nevada

All westbound trucks are required to stop at the brake check area 0.5 mi west of Nyack (Placer Co) - To reduce the risk of brake fires
I-80

Business 80 - Capital City Freeway

No traffic restrictions are reported for this area.
SR-88

In The Central California Area & Sierra Nevada

No traffic restrictions are reported for this area.
SR-89

In The Central California Area & Sierra Nevada

No traffic restrictions are reported for this area.
SR-89

In The Northern California Area

Is closed from the Lassen Volcanic Nat'l Park South Bdry to the Jct of SR 44 Lassen Loop (Tehama, Shasta Co) - For the winter - Motorists are advised to use an alternate route
SR-108

In The Central California Area & Sierra Nevada

No traffic restrictions are reported for this area.
SR-108

Yosemite Nat'L Park

For Yosemite Nat'l Park road information call 209-372-0200
SR-120

In The Central California Area & Sierra Nevada

Is closed from Crane Flat to the Eastern Entrance of Yosemite National Patk (Tuolumne Co) - For the winter - Motorists are advised to use an alternate route
SR-120

In The Central California Area & Sierra Nevada

1-way controlled traffic at various locations from 15 mi east of Groveland at Sweet Water Rd to 16.7 mi east of Groveland at Saw Mill Mountain Area (Tuolumne Co) from 0700 hrs to 1700 hrs Monday thru Friday thru 5/24/24 - Due to construction
SR-120

Yosemite Nat'L Park

For Yosenite Nat'l Park road information call 209-372-0200
SR-178

In The Central California Area & Sierra Nevada

1-way controlled traffic at various locations from 7.1 mi east to 7.6 mi east of the Jct of SR 184 (Kern Co) from 0600 hrs to 1800 hrs Monday thru Friday thru 5/24/24 - Due to permit work
SR-178

In The Central California Area & Sierra Nevada

1-way controlled traffic 11.9 mi east of the Jct of SR 184 (Kern Co) 24 hrs a day 7 days a week - Due to emergency work
SR-203

In The Central California Area & Sierra Nevada

Is closed from the Mammoth Mountain Inn (Mono Co) to the Mono/Madera Co Line - For the winter - Motorists are advised to use an alternate route
SR-267

In The Northern California Area

No traffic restrictions are reported for this area.
Data provided by CalTrans. NOT FOR EMERGENCY USE. In an emergency visit official CalTrans website.

No weather data returned.

NOTE: Be sure to double check chain control locations as some CalTrans descriptions may be outdated.

CalTrans Chain Control

For emergencies visit CalTrans.
For details on chain control requirement levels R-0 through R-3, see Chain Requirement Levels.

Yosemite National Park in Tuolumne County at 6289ft elevation in District 10

CRANE FLAT RD (closure gate in park, not chain sign) at milepost: 94.90
Closed to traffic.

CalTrans Message Signs for - (3) - 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 -

How does freeway lane numbering work?

In Belden Lane #1 will be closed multi-day (long term) for utility work along East / westbound Highway 70 at 1.6 mi east of Storrie from Apr 29 at 7:30AM to May 24 at 3:01PM.

From: 1.6 mi east of Storrie in Belden to 1.05 mi east of Tobin in Storrie
Google Maps & Street View
ID: C70SA-0001-2024-04-29-07:30:00
50

East

Active

In West Sacramento Lanes #2, #3, #1 will be closed overnight for highway construction along Eastbound US-50 at Rte 80 from May 18 at 9:01PM to May 19 at 5:59AM.

From: Rte 80 to Jefferson in West Sacramento
Google Maps & Street View
ID: C50AB-0011-2024-05-18-21:01:00
50

East

Active

In West Sacramento All lanes will be closed overnight for highway construction along Eastbound US-50 at Route 50 from May 18 at 10:01PM to May 19 at 6:59AM.

From: Route 50 to Harbor Blvd in West Sacramento
Google Maps & Street View
ID: C50AB-0012-2024-05-18-22:01:00
50

East

Active

In West Sacramento All lanes will be closed overnight for highway construction along Eastbound US-50 at Route 50 from May 18 at 10:01PM to May 19 at 6:59AM.

From: Route 50 to Harbor Blvd in West Sacramento
Google Maps & Street View
ID: C50AB-0013-2024-05-18-22:01:00
50

East

Active

In West Sacramento All lanes will be closed overnight for highway construction along Eastbound US-50 at Harbor Blvd from May 18 at 10:01PM to May 19 at 6:59AM.

From: Harbor Blvd to Route 50 in West Sacramento
Google Maps & Street View
ID: C50AB-0014-2024-05-18-22:01:00
80

East

Active

In West Sacramento Lanes #1, #2 will be closed overnight for highway construction along Eastbound I-80 at Route 80 from May 18 at 10:01PM to May 19 at 5:59AM.

From: Route 80 to Rte 80 in West Sacramento
Google Maps & Street View
ID: C80PB-0042-2024-05-18-22:01:00