Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Eastbound west of I-680 S (Martinez). Lane blocked. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on November 1, 2026 at 5:49 PM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

Nov 1, 9:49 AM

Last Updated

8 hours, 42 minutes ago

Nov 1, 10:00 AM

Resolved

Nov 1, 4:15 PM

Coordinates

37.9943, -122.0702

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound west of I-680 S (Martinez). Lane blocked. Expect delays. Nov 1, 10:00 AM

Source: 511_sfbay · ID 511.org/1571515 First seen Nov 1, 2026 10:00 AM