Accident Moderate Severity Resolved

CHP : Traffic Collision on I-680 Southbound ramp to CA-4 E (Martinez). Lane blocked. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on November 1, 2026 at 9:58 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Nov 1, 1:58 PM

Last Updated

13 hours, 15 minutes ago

Nov 1, 2:00 PM

Resolved

Nov 1, 8:15 PM

Coordinates

37.9943, -122.0702

Update History

1 observations

CHP : Traffic Collision on I-680 Southbound ramp to CA-4 E (Martinez). Lane blocked. Expect delays. Nov 1, 2:00 PM

Source: 511_sfbay · ID 511.org/1571574 First seen Nov 1, 2026 2:00 PM