Accident High Severity Stale

CHP : Traffic Collision on US-101 Northbound entering at CA-92 W (San Mateo). On Ramp affected. Expect delays.

A high-severity accident was reported on US-101 N near San Mateo on October 27, 2026 at 2:31 PM.

Road

US-101 N

Area

San Mateo

Address

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Started

Oct 27, 7:31 AM

Last Updated

5 hours, 50 minutes ago

Oct 27, 8:30 AM

Coordinates

37.5534, -122.2960

Update History

2 observations

CHP : Traffic Collision on US-101 Northbound entering at CA-92 W (San Mateo). On Ramp affected. Expect delays. Oct 27, 8:15 AM

CHP : Traffic Collision on US-101 Northbound entering at CA-92 W (San Mateo). On Ramp affected. Expect delays. Oct 27, 7:45 AM

Source: 511_sfbay · ID 511.org/1569155 First seen Oct 27, 2026 7:45 AM