Accident Resolved

CHP : Residual delays on CA-4 Westbound ramp to I-680 S (Martinez). All lanes open. Expect delays.

A accident was reported on CA-4 W near Contra Costa on April 29, 2026 at 2:41 PM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Apr 29, 7:41 AM

Last Updated

5 months, 4 weeks ago

Apr 29, 7:45 AM

Resolved

Apr 29, 2:00 PM

Coordinates

37.9948, -122.0701

Update History

1 observations

CHP : Residual delays on CA-4 Westbound ramp to I-680 S (Martinez). All lanes open. Expect delays. Apr 29, 7:45 AM

Source: 511_sfbay · ID 511.org/1487605 First seen Apr 29, 2026 7:45 AM