Accident High Severity Resolved

CHP : Traffic Collision with Injuries on US-101 Southbound exiting at Brittan Ave (San Carlos). Off Ramp affected. Expect delays.

A high-severity accident was reported on US-101 S near San Mateo on April 18, 2026 at 10:52 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Apr 18, 3:52 PM

Last Updated

6 months, 1 week ago

Apr 18, 4:45 PM

Resolved

Apr 18, 10:45 PM

Coordinates

37.5053, -122.2465

Update History

2 observations

CHP : Traffic Collision with Injuries on US-101 Southbound exiting at Brittan Ave (San Carlos). Off Ramp affected. Expect delays. Apr 18, 4:30 PM

CHP : Traffic Collision with Injuries on US-101 Southbound entering at Holly St (San Carlos). On Ramp affected. Expect delays. Apr 18, 4:00 PM

Source: 511_sfbay · ID 511.org/1483159 First seen Apr 18, 2026 4:00 PM