* NOTE: CHP incident text may be been modified from its original to improve readability, as a result some errors may have been introduced. Data provided by CHP. Official CHP Incidents.
Is closed from 0.7 mi east of Lake Alpine to 7.2 mi west of the Jct of SR 89 (Alpine Co) - For the winter - Motorists are advised to use an alternate route
Data provided by CalTrans. NOT FOR EMERGENCY USE. In an emergency visit official CalTrans website.
In Antioch Lane #4, and the right shoulder will be closed overnight for core drilling along Westbound Highway 4 at Contra Loma Blvd from Apr 25 at 8:01PM to Apr 26 at 4:01AM.
From: Contra Loma Blvd to Somersville Rd in Antioch
In Antioch All lanes will be closed overnight for core drilling along Westbound Highway 4 at Contra Loma Blvd from Apr 25 at 9:01PM to Apr 26 at 4:01AM.
In Pittsburg Lane #4, and the right shoulder will be closed overnight for core drilling along Westbound Highway 4 at Bay Point/San Marcos Blvd from Apr 25 at 8:01PM to Apr 26 at 4:01AM.
From: Bay Point/San Marcos Blvd to Willow Pass Rd (West) in Pittsburg
In Concord Lanes #3, #4, and the right shoulder will be closed overnight for highway construction along Westbound Highway 4 at Willow Pass Rd (West) from Apr 25 at 6:01PM to Apr 26 at 5:01AM.
From: Willow Pass Rd (West) to Port Chicago Hwy in Concord
In Concord Lanes #1, #2, and the left shoulder will be closed overnight for highway construction along Westbound Highway 4 at Route 4 from Apr 25 at 8:01PM to Apr 26 at 4:01AM.