Accident High Severity Resolved

CHP : Traffic Hazard on I-680 Northbound entering at Bollinger Canyon Rd (San Ramon). On Ramp blocked. Expect delays.

A high-severity accident was reported on I-680 N near Contra Costa on April 6, 2026 at 2:27 PM.

Road

I-680 N

Area

Contra Costa

Address

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Started

Apr 6, 7:27 AM

Last Updated

6 months, 3 weeks ago

Apr 6, 7:45 AM

Resolved

Apr 6, 2:00 PM

Coordinates

37.7604, -121.9654

Update History

1 observations

CHP : Traffic Hazard on I-680 Northbound entering at Bollinger Canyon Rd (San Ramon). On Ramp blocked. Expect delays. Apr 6, 7:30 AM

Source: 511_sfbay · ID 511.org/1477404 First seen Apr 6, 2026 7:30 AM