Accident Moderate Severity Resolved

CHP : Traffic Hazard on US-101 Southbound south of E Hillsdale Blvd (San Mateo). Lane blocked. Expect delays.

A injury accident was reported on US-101 S near San Mateo on August 17, 2026 at 11:02 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Aug 17, 4:02 PM

Last Updated

2 months, 1 week ago

Aug 17, 4:15 PM

Resolved

Aug 17, 10:15 PM

Coordinates

37.5481, -122.2913

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound south of E Hillsdale Blvd (San Mateo). Lane blocked. Expect delays. Aug 17, 4:15 PM

Source: 511_sfbay · ID 511.org/1536871 First seen Aug 17, 2026 4:15 PM