Accident High Severity Resolved

CHP : Traffic Collision on I-280 Southbound south of Washington St (Daly City). Right lane and exit ramp blocked. Expect delays.

A high-severity accident was reported on I-280 S near San Mateo on October 21, 2026 at 3:16 AM.

Road

I-280 S

Area

San Mateo

Address

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Started

Oct 20, 8:16 PM

Last Updated

6 days, 11 hours ago

Oct 20, 9:15 PM

Resolved

Oct 21, 3:30 AM

Coordinates

37.6878, -122.4711

Update History

2 observations

CHP : Traffic Collision on I-280 Southbound south of Washington St (Daly City). Right lane and exit ramp blocked. Expect delays. Oct 20, 8:45 PM

CHP : Traffic Collision on I-280 Southbound at Hickey Blvd (Daly City). Lanes blocked. Expect delays. Oct 20, 8:30 PM

Source: 511_sfbay · ID 511.org/1566479 First seen Oct 20, 2026 8:30 PM