California Map and Road Conditions

The California Department of Transportation offers detailed, current information on California road and highway conditions. This includes travel time, delays, construction areas and general road and travel conditions. Click on a region or county listed below to see traffic information by route and highway from the California DOT.

Region 1: Northwest	Region 7: Los Angeles
Region 2: Northern	Region 8: Inland Empire
Region 3: North Central	Region 9: Eastern Sierra
Region 4: Bay Area	Region 10: Central
Region 5: Central Coast	Region 11: San Diego
Region 6: South Central	Region 12: Orange County

List of California Counties in Alphabetical Order

A-F	G-M	N-S	T-Z
Alameda	Glenn	Napa	Tehama
Alpine	Humboldt	Nevada	Trinity
Amador	Imperial	Orange	Tulare
Butte	Inyo	Placer	Tuolumne
Calaveras	Kern	Plumas	Ventura
Colusa	Kings	Riverside	Yolo
Contra Costa	Lake	Sacramento	Yuba
Del Norte	Lassen	San Benito
El Dorado	Los Angeles	San Bernardino
Fresno	Madera	San Diego
	Marin	San Francisco
	Mariposa	San Joaquin
	Mendocino	San Luis Obispo
	Merced	San Mateo
	Modoc	Santa Barbara
	Mono	Santa Clara
	Monterey	Santa Cruz
		Shasta
		Sierra
		Siskiyou
		Solano
		Sonoma
		Stanislaus
		Sutter