Accident Low Severity Resolved

CHP : Traffic Hazard on CA-4 Eastbound between Balfour Rd (Brentwood) and Sand Creek Rd (Brentwood). Left lane blocked. Expect delays.

A minor accident was reported on CA-4 E near Contra Costa on September 3, 2026 at 9:28 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Sep 3, 2:28 PM

Last Updated

1 month, 3 weeks ago

Sep 3, 3:15 PM

Resolved

Sep 3, 9:15 PM

Coordinates

37.9241, -121.7328

Update History

2 observations

CHP : Traffic Hazard on CA-4 Eastbound between Balfour Rd (Brentwood) and Sand Creek Rd (Brentwood). Left lane blocked. Expect delays. Sep 3, 3:15 PM

CHP : Traffic Hazard on CA-4 Eastbound entering at Balfour Rd (Brentwood). Left lane blocked. Expect delays. Sep 3, 2:45 PM

Source: 511_sfbay · ID 511.org/1544838 First seen Sep 3, 2026 2:45 PM