Accident Moderate Severity Stale

CHP : Traffic Hazard on US-101 Southbound north of Marsh Rd (Menlo Park). Right shoulder affected. Expect delays.

A injury accident was reported on US-101 S near San Mateo on April 25, 2026 at 3:06 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Apr 25, 8:06 AM

Last Updated

1 hour, 22 minutes ago

Apr 25, 8:15 AM

Coordinates

37.4819, -122.1778

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound north of Marsh Rd (Menlo Park). Right shoulder affected. Expect delays. Apr 25, 8:15 AM

Source: 511_sfbay · ID 511.org/1485999 First seen Apr 25, 2026 8:15 AM