Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Eastbound at Center Ave (Martinez). Lane blocked. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on October 10, 2026 at 12:57 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Oct 10, 5:57 AM

Last Updated

2 weeks, 3 days ago

Oct 10, 6:30 AM

Resolved

Oct 10, 12:30 PM

Coordinates

37.9964, -122.1159

Update History

2 observations

CHP : Traffic Hazard on CA-4 Eastbound at Center Ave (Martinez). Lane blocked. Expect delays. Oct 10, 6:15 AM

CHP : Traffic Hazard on CA-4 Eastbound at Center Ave (Martinez). On Ramp blocked. Expect delays. Oct 10, 5:45 AM

Source: 511_sfbay · ID 511.org/1561871 First seen Oct 10, 2026 5:45 AM