Accident High Severity Resolved

CHP : Traffic Collision on I-680 Southbound at Vallecitos Rd (Sunol). On Ramp blocked. Expect delays.

A high-severity accident was reported on I-680 S near Alameda on May 23, 2026 at 10:28 AM.

Road

I-680 S

Area

Alameda

Address

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Started

May 23, 3:28 AM

Last Updated

1 day, 10 hours ago

May 23, 4:30 AM

Resolved

May 23, 10:30 AM

Coordinates

37.5958, -121.8727

Update History

2 observations

CHP : Traffic Collision on I-680 Southbound at Vallecitos Rd (Sunol). On Ramp blocked. Expect delays. May 23, 3:30 AM

CHP : Traffic Collision on I-680 Southbound at Vallecitos Rd (Sunol). On Ramp blocked. Expect delays. May 23, 3:15 AM

Source: 511_sfbay · ID 511.org/1498532 First seen May 23, 2026 3:15 AM