Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Westbound east of I-680 N (Martinez). 2nd lane from the left blocked. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on May 15, 2026 at 10:51 PM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

May 15, 3:51 PM

Last Updated

5 months, 1 week ago

May 15, 4:00 PM

Resolved

May 15, 10:15 PM

Coordinates

37.9948, -122.0695

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of I-680 N (Martinez). 2nd lane from the left blocked. Expect delays. May 15, 4:00 PM

Source: 511_sfbay · ID 511.org/1495037 First seen May 15, 2026 4:00 PM