Accident High Severity Active

CHP : Traffic Collision with Injuries on I-680 Southbound at Monument Blvd (Pleasant Hill). On Ramp affected. Expect delays.

A high-severity accident was reported on I-680 S near Contra Costa on April 26, 2026 at 11:15 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Apr 26, 4:15 AM

Last Updated

10 minutes ago

Apr 26, 4:30 AM

Coordinates

37.9483, -122.0567

Update History

5 observations

CHP : Traffic Collision with Injuries on I-680 Southbound at Monument Blvd (Pleasant Hill). On Ramp affected. Expect delays. Apr 26, 4:30 AM

CHP : Traffic Collision with Injuries on I-680 Southbound at Monument Blvd (Pleasant Hill). On Ramp affected. Expect delays. Apr 26, 4:00 AM

CHP : Traffic Collision with Injuries on I-680 Southbound at Monument Blvd (Pleasant Hill). On Ramp affected. Expect delays. Apr 26, 3:45 AM

CHP : Traffic Collision with Injuries on I-680 Southbound at Monument Blvd (Pleasant Hill). On Ramp affected. Expect delays. Apr 26, 3:30 AM

CHP : Traffic Collision with Injuries on I-680 Southbound at Monument Blvd (Pleasant Hill). Lane affected. Expect delays. Apr 26, 3:15 AM

Source: 511_sfbay · ID 511.org/1486238 First seen Apr 26, 2026 3:15 AM