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Mountain Road Report

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This map shows real-time local traffic conditions; green means the traffic flow is normal, orange means it is slower than normal, and red and dark red indicates slow and stopped vehicles. Updating Caltrans reports for each highway are below the map click or tap on the highway signs to jump to the road you are interested in.

California Highway 4
California Highway 12
California Highway 26
California Highway 49
Highway 50

Tuolumne County J59 Interstate 80 California Highway 88 California Highway 99 California Highway 108 California Highway 120

Highway 4

[IN THE CENTRAL CALIFORNIA AREA]

Is closed from the Mt Reba turnoff to the Jct of SR 89 /Ebbetts Pass/
(Alpine Co) - Due to snow - Motorists are advised to use an alternate route

Chains are required on all vehicles except 4-wheel-drive vehicles with snow
tires on all 4 wheels from Cottage Springs (Calaveras Co) to the Mt Reba Turnoff
(Alpine Co)

Please research chain control locations as Caltrans is currently working to
update chain control descriptions for consistency with internet mapping, like
Google Maps & Mapquest

Highway 12

[IN THE CENTRAL CALIFORNIA AREA]

Is closed at the west Jct of SR 121 /in Schellville/ (Sonoma Co) - Due to
flooding - Motorists are advised to use an alternate route

Highway 26

[IN THE CENTRAL CALIFORNIA & SIERRA NEVADA]

No traffic restrictions are reported for this area.

Highway 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 1/31/25 - Due to construction

[IN THE NORTHERN CALIFORNIA AREA]

Chains or snow tires are required from Sierra City to Sattley (Sierra Co)

Chains or snow tires are required from 7.3 mi south of Vinton to Vinton
(Plumas Co)

Please research chain control locations as Caltrans is currently working to
update chain control descriptions for consistency with internet mapping, like
Google Maps & Mapquest

Highway 50

[IN THE SACRAMENTO VALLEY & THE LAKE TAHOE BASIN]

**For Eastbound Traffic:
Eastbound traffic is being held 3 mi east of Kyburz (El Dorado Co) - Due to
spin outs

**For Westbound Traffic:
Chains are required on all vehicles except 4-wheel-drive vehicles with snow
tires on all 4 wheels from Meyers to Twin Bridges (El Dorado Co)

Please research chain control locations as caltrans is currently working to
update chain control descriptions for consistency with internet mapping,
like google maps & mapquest.

Westbound traffic is no longer being held at Meyers (El Dorado Co) at
1041 hrs on 12/14/24

[CAPITAL CITY FREEWAY]

No traffic restrictions are reported for this area.

Highway 59

[IN THE CENTRAL CALIFORNIA AREA]

No traffic restrictions are reported for this area.

Highway 80

[IN THE SAN FRANCISCO BAY AREA - SOLANO CO]

A high wind advisory is in effect at the San Francisco-Oakland Bay Bridge
/in San Francisco/ (San Francisco,Alameda Co) - Travel is not recommended
for campers, trailers, or permit loads

[IN THE NORTHERN CALIFORNIA AREA & SIERRA NEVADA]

**For Eastbound Traffic:
All eastbound traffic is being held at Colfax (Placer Co) - Due to spinouts

All eastbound tractor-semitrailers combinations are being held at Applegate
(Placer Co) - Due to spinouts

**For Westbound Traffic:
All westbound tractor-semitrailer combinations are being held at the
Nevada State Line - Due to spinouts

Chains are required on all vehicles except 4-wheel-drive vehicles with snow
tires on all 4 wheels from the Nevada State Line to Baxter (Placer Co)

Westbound traffic is turning single drive axle tractor-semitrailers towing
double trailers are being at the Nevada State Line - Due to traction concerns

Eastbound trucks are being screened at Applegate (Placer Co) - Drivers must
have maximum chains in their possession in order to proceed - Permit loads are
prohibited

Westbound trucks are being screened 5 mi west of Reno /at Mogul/ (Washoe Co)
- Drivers must have maximum chains in their possession in order to proceed
- Permit loads are prohibited

Please research chain control locations as Caltrans is currently working to
update chain control descriptions for consistency with internet mapping, like
Google Maps & Mapquest

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

A high wind advisory is in effect from Richards Blvd /in Davis/ to
Yolo Causeway West (Yolo Co) - Travel is not recommended for campers, trailers, or permit loads

There is a dense fog advisory in effect from Richards Blvd /in Davis/ to
Yolo Causeway West (Yolo Co) - Motorists are advised to drive with caution

Highway 88

[IN THE CENTRAL CALIFORNIA AREA & SIERRA NEVADA]

Is closed from 3.5 mi east of Silver lake to Kirkwood /Carson Spur/
(Amador Co) - Due to avalanche control - Motorists are advised to use an
alternate route

Chains are required on all vehicles except 4-wheel-drive vehicles with snow
tires on all 4 wheels from Ham's Station to 3.5 mi east of Silver Lake
(Amador Co)

Chains are required on all vehicles except 4-wheel-drive vehicles with snow
tires on all 4 wheels from Dew Drop (Amador Co) to 3.5 mi east of Woodfords
(Alpine Co)

Please research chain control locations as Caltrans is currently working to
update chain control descriptions for consistency with internet mapping, like
Google Maps & Mapquest

Highway 99

[IN THE CENTRAL CALIFORNIA AREA]

No traffic restrictions are reported for this area.

[IN THE NORTHERN CALIFORNIA AREA]

No traffic restrictions are reported for this area.

Highway 108

[IN THE CENTRAL CALIFORNIA AREA & SIERRA NEVADA]

Is closed from 7.2 mi east of Strawberry to 5.3 mi west of the
Jct of US 395 /Sonora Pass/ (Tuolumne,Mono Co) - Due to snow - Motorists are
advised to use an alternate route

Chains are required on all vehicles except 4-wheel-drive vehicles with snow
tires on all 4 wheels from 1 mi west of Long Barn to 7.2 mi east of Strawberry
(Tuolumne Co)

Chains or snow tires are required from 3.8 mi west of the Jct of US 395
to the Jct of US 395 (Mono Co)

Please research chain control locations as Caltrans is currently working to
update chain control descriptions for consistency with internet mapping, like
Google Maps & Mapquest

[YOSEMITE NAT'L PARK]

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

Highway 120

[IN THE CENTRAL CALIFORNIA AREA & SIERRA NEVADA]

Is closed from Crane Flat to 3.5 mi west of the North Jct of US 395
/Tioga Pass/ (Tuolumne, Mono Co) - For the winter - Motorists are advised
to use an alternate route

Is closed from 5.1 mi east of the south Jct of US 395 to 7.5 mi west of
the Jct of US 6 (Mono Co) - Due to adverse weather - Motorists are advised to
use an alternate route

[YOSEMITE NAT'L PARK]

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

Roads Info Last Updated: Saturday, 14th of December 2024, 10:59:16 AM

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