Gather information about weather forecasts and anticipated travel impacts and current road conditions prior to hitting the road. CDOT resources include:

Always check the latest CalTrans Road Report online for Highway 4 before you travel, or call 1-800-427-7623 and carry chains when travelling in the high country. The high-country segment …

State Route 4 (SR 4) is a state highway in the U.S. state of California, routed from Interstate 80 in the San Francisco Bay Area to State Route 89 in the Sierra Nevada. It roughly parallels the …

Spanning almost the entire width of Contra Costa County, California State Route 4 is an east–west highway which begins in Hercules and ends in Antioch. The road is an expressway …

4 天之前 · Summary of every CHP Incident that happened on SR-4 from midnight until now. What happened on SR-4 yesterday? * NOTE: CHP incident text may be been modified from its …

3 天之前 · California State Route SR-4 and Ebbetts Pass Scenic Byway Traffic & Road Conditions, CalTrans lane closures and SIG Alerts in Contra Costa, San Joaquin, Stanislaus, …

Jutting up from the heart of the Sierra Nevada with Lake Tahoe and Yosemite National Park as its neighbors, the byway is a 61-mile stretch of Highways 4 and 89 between the towns of Arnold …

This highway information is the latest reported as of Tuesday, March 18th, 2025 at 09:34 PM. SR 4 [IN THE CENTRAL CALIFORNIA AREA] Is closed from the Mt Reba Turnoff to the Jct of SR …

On-demand, wheelchair accessible autonomous shuttles for people who need reliable transportation to medical appointments and hospital services in Martinez. Reconfigured ramps …

Military Access, Mobility & Safety Improvement Project (El Paso County) US 50 Little Blue Creek Canyon (Gunnison County) US 550–US 160 Connection South Project (La Plata County)