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 Sacramento-San Joaquin River Delta, a popular area for boating and fishing, with a number of accesses to marinas and other attractions.

Check Current Highway ConditionsEnter Highway Number (s) You can also call 1-800-427-7623 for current highway conditions.

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 of Highway 4 between Lake Alpine and Silver Creek is closed during the winter months (approximately mid-November to May) .

2018年7月22日 · California State Route 4 connects the San Francisco Bay Area with the Sierra Nevada, passing through the city of Stockton along its 192 mile course. The highway originates at Interstate 80 near Hercules, and begins as a four lane …

Know before you go: National Weather Service - Caltrans Social Media - QuickMap Real-time Travel Information. You can also call 1-800-427-7623 for current highway conditions. Mobile. This highway information is the latest reported as of Sunday, February 16th, 2025 at 11:31 PM.

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 from Hercules until it approaches Martinez, at which point it becomes a full freeway – the California Delta Highway.

Check for live traffic conditions. Real-time traveler information enables the traveling public to make informed transportation choices. Amtrak California has been localized to provide a more regional approach. Enter Highway Number to find the current reported traffic restrictions. View CHP Traffic Incident Information.

2 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, Calaveras and Alpine.

2024年10月21日 · Highway 4 news, accidents, traffic and road construction from the East Bay Times

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