Accident Moderate Severity Resolved

CHP : Traffic Collision on I-580 Westbound at Hopyard Rd (Pleasanton). Left lane blocked. Expect delays.

A injury accident was reported on I-580 W near Alameda on August 20, 2026 at 1:14 AM.

Road

I-580 W

Area

Alameda

Address

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Started

Aug 19, 6:14 PM

Last Updated

2 months, 1 week ago

Aug 19, 6:45 PM

Resolved

Aug 20, 12:45 AM

Coordinates

37.7020, -121.9172

Update History

2 observations

CHP : Traffic Collision on I-580 Westbound at Hopyard Rd (Pleasanton). Left lane blocked. Expect delays. Aug 19, 6:45 PM

CHP : Traffic Collision on I-580 Westbound at Hopyard Rd (Pleasanton). Left lane blocked. Expect delays. Aug 19, 6:30 PM

Source: 511_sfbay · ID 511.org/1538042 First seen Aug 19, 2026 6:30 PM