Construction Resolved

Caltrans : Roadwork on CA-4 Westbound between Center Ave (Martinez) and Mcewen Rd (Martinez). Various lanes closed until 5 AM. From 9:00 PM Tuesday, August 11, 2026 to 5:00 AM Wednesday, August 12, 2026.

A construction was reported on CA-4 W near Contra Costa on August 12, 2026 at 4:01 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Aug 11, 9:01 PM

Last Updated

6 hours, 41 minutes ago

Aug 12, 2:30 AM

Resolved

Aug 12, 8:30 AM

Coordinates

37.9953, -122.1201

Update History

1 observations

Caltrans : Roadwork on CA-4 Westbound between Center Ave (Martinez) and Mcewen Rd (Martinez). Various lanes closed until 5 AM. From 9:00 PM Tuesday, August 11, 2026 to 5:00 AM Wednesday, August 12, 2026. Aug 12, 2:30 AM

Source: 511_sfbay · ID 511.org/1534344 First seen Aug 12, 2026 2:30 AM

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