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.
Mountain Road Report
Highway 4
The eastbound & westbound connectors to northbound SR 160 (Contra Costa Co)
are closed from 2100 hrs each night to 0500 hrs each morning Monday thru Friday
thru 10/10/25 - Due to construction - Motorists are advised to use an alternate
route
Is closed to westbound traffic from Cummings Skyway to San Pablo Ave
/in Hercules/ (Contra Costa Co) from 1900 hrs each night to 0600 hrs each
morning Monday thru Friday thru 10/10/25 - Due to construction
- Motorists are advised to use an alternate route
1-way controlled traffic at various locations from 5.2 mi west of
Angels Camp /at Appaloosa Rd/ to 4.6 mi west of the Jct of SR 49 (Calaveras Co)
from 0600 hrs to 1600 hrs on Wednesday 10/08/25 - Due to maintenance
1-way controlled traffic from Mitchler Ave to Bog Trees Rd /in Murphys/
(Calaveras Co) from 1900 hrs each night to 0600 hrs each morning Monday thru
Friday thru 10/10/25 - Due to construction
Highway 12
1-way controlled traffic at various locations from Greene St to Maple Ave
/in Kenwood/ (Sonoma Co) from 2100 hrs each night to 0600 hrs each morning
Monday thru Friday thru 10/10/25 - Due to construction
1-way controlled traffic at various locations from Lawler Ranch Parkway
to Denverton Bridge /in Fairfield/ (Solano Co) from 2000 hrs each night to
0500 hrs each morning Monday thru Friday thru 10/10/25 - Due to construction
1-way controlled traffic at various locations from North Front St
/in Rio Vista/ (Solano Co) to the Jct of SR 160 (Sacramento Co) from 1900 hrs
each night to 0600 hrs each morning Monday thru Saturday thru 10/11/25 - Due to
construction
Highway 26
1-way controlled traffic at various locations from 3.3 mi east to 5.6 mi
east of the Jct of SR 49 /at Rich Gulch Ln/ (Calaveras Co) 24 hrs a day 7
days a week thru 12/31/25 - Due to construction
1-way controlled traffic 8.3 mi west of the Calaveras/Amador Co Line
/at South Fork Mokelmne River/ from 0600 hrs to 1600 hrs Monday thru Friday thru
10/10/25 - Due to construction
Highway 49
No traffic restrictions are reported for this area.
[IN THE NORTHERN CALIFORNIA AREA]Is closed to southbound traffic 3.3 mi south of the Placer/Nevada Co line
/at South Fork Dry Creek/ (Placer Co) 24 hrs a day 7 days a week thru 1700 hrs
on 10/31/25 - Due to construction - Motorists are advised to use an alternate
route
Is closed to northbound traffic 3.9 mi north of the Jct of I 80
/at Shale Ridge Rd/ (Placer Co) 24 hrs a day 7 days a week thru 1700 hrs
on 10/31/25 - Due to construction - Motorists are advised to use an alternate
route
Highway 50
No traffic restrictions are reported for this area.
[CAPITAL CITY FREEWAY]No traffic restrictions are reported for this area.
Highway 59
1-way controlled traffic at various locations from West Olive Ave
/in Merced/ to 2.1 mi north of Merced /at Bellevue Rd/ (Merced Co) from
2000 hrs each night to 0500 hrs each morning Monday thru Saturday thru 10/11/25
- Due to construction
Highway 80
No traffic restrictions are reported for this area.
[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 reduced the risk of brake fires
No traffic restrictions are reported for this area.
Highway 88
1-way controlled traffic at various locations from Peddler Hill to 5.8 mi
east of Peddler Hill /at Milt's Sandhouse/ (Amador Co) from 0700 hrs to 1600 hrs
on Wednesday 10/08/25 - Due to construction
Highway 99
No traffic restrictions are reported for this area.
[IN THE NORTHERN CALIFORNIA AREA]Is closed to northbound traffic at 41st Ave /in Sacramento/ (Sacramento Co)
from 1900 hrs each night to 0500 hrs each morning Monday thru Friday thru
10/10/25 - Due to construction - Motorists are advised to use an alternate
route
Highway 108
No traffic restrictions are reported for this area.
[YOSEMITE NAT'L PARK]For Yosemite Nat'l Park road information call 209-372-0200
Highway 120
The westbound connector to norhtbound I 5 (San Joaquin Co) is closed from
2100 hrs each night to 0400 hrs each morning Sunday thru Friday thru 10/10/25
- Due to construction - Motorists are advised to use an alternate route
1-way controlled traffic from 1.5 mi east of Oakdale to 1.7 mi east of
Oakdale /at Atlas Rd/ (Stanislaus Co) 2100 hrs each night to 0500 hrs each
morning Monday thru Friday thru 10/10/25 - Due to construction
For Yosenite Nat'l Park road information call 209-372-0200
Local Traffic New
Events
Motherlode Fairgrounds | 8:00 am - 3:00 pm
Sierra Tuolumne Kennel Club Shows
Mother Lode Fairgrounds | 8:00 am - 5:00 pm
Sweeney Todd performance
Mountain Youth and Community Theatre: MYACT | 6:30 pm - 9:00 pm
Columbia State Historic Park | 12:00 am
Barktoberfest
Motherlode Fairgrounds | 8:00 am - 3:00 pm
Railtown 1897 Weekend Excursion Trains
Railtown 1897 State Historic Park | 10:30 am - 4:00 pm
Columbia State Historic Park | 12:00 am
Farmers Market
Murphys Community Park | 9:00 am - 1:00 pm
Barktoberfest
Motherlode Fairgrounds | 8:00 am - 3:00 pm
My Garden Cafe | 7:00 am - 8:00 am
Page Turners Book Club at Aronos Clubhouse
Aronos Clubhouse | 11:00 am - 12:00 pm
Dinner at San Andreas VFW Post 2600
San Andreas CA 95249 | 6:00 pm - 7:30 pm