Accident Moderate Severity Resolved

CHP : Traffic Collision with Injuries and Overturned vehicle on I-280 Southbound south of CA-92 W (San Mateo). Left lane blocked. Expect delays.

A injury accident was reported on I-280 S near San Mateo on April 21, 2026 at 1:37 AM.

Road

I-280 S

Area

San Mateo

Address

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Started

Apr 20, 6:37 PM

Last Updated

6 months, 1 week ago

Apr 20, 9:00 PM

Resolved

Apr 21, 3:15 AM

Coordinates

37.4972, -122.3137

Update History

6 observations

CHP : Traffic Collision with Injuries and Overturned vehicle on I-280 Southbound south of CA-92 W (San Mateo). Left lane blocked. Expect delays. Apr 20, 9:00 PM

CHP : Traffic Collision with Injuries and Overturned vehicle on I-280 Southbound south of CA-92 W (San Mateo). Left lane blocked. Expect delays. Apr 20, 8:30 PM

CHP : Traffic Collision with Injuries and Overturned vehicle on I-280 Southbound south of CA-92 W (San Mateo). Left lane blocked. Expect delays. Apr 20, 8:00 PM

CHP : Traffic Collision with Injuries and Overturned vehicle on I-280 Southbound south of CA-92 W (San Mateo). Left lane blocked. Expect delays. Apr 20, 7:30 PM

CHP : Traffic Collision with Injuries and Overturned vehicle on I-280 Southbound south of CA-92 W (San Mateo). Left lane blocked. Expect delays. Apr 20, 7:00 PM

CHP : Traffic Collision with Injuries and Overturned vehicle on I-280 Southbound south of CA-92 W (San Mateo). Lane affected. Expect delays. Apr 20, 6:45 PM

Source: 511_sfbay · ID 511.org/1483869 First seen Apr 20, 2026 6:45 PM