Accident Moderate Severity Stale

CHP : Traffic Collision on I-680 Northbound at Alcosta Blvd (San Ramon). Lane affected. Expect delays.

A injury accident was reported on I-680 N near Alameda on August 17, 2026 at 4:56 PM.

Road

I-680 N

Area

Alameda

Address

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Started

Aug 17, 9:56 AM

Last Updated

1 hour, 14 minutes ago

Aug 17, 10:00 AM

Coordinates

37.7267, -121.9425

Update History

1 observations

CHP : Traffic Collision on I-680 Northbound at Alcosta Blvd (San Ramon). Lane affected. Expect delays. Aug 17, 10:00 AM

Source: 511_sfbay · ID 511.org/1536721 First seen Aug 17, 2026 10:00 AM