Accident High Severity Resolved

CHP : Traffic Collision on I-680 Northbound entering at Willow Pass Rd (Concord). On Ramp blocked. Expect delays.

A high-severity accident was reported on I-680 N near Contra Costa on April 29, 2026 at 12:48 AM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Apr 28, 5:48 PM

Last Updated

1 month, 1 week ago

Apr 28, 6:15 PM

Resolved

Apr 29, 12:15 AM

Coordinates

37.9685, -122.0579

Update History

1 observations

CHP : Traffic Collision on I-680 Northbound entering at Willow Pass Rd (Concord). On Ramp blocked. Expect delays. Apr 28, 6:00 PM

Source: 511_sfbay · ID 511.org/1487354 First seen Apr 28, 2026 6:00 PM