Accident High Severity Resolved

CHP : Severe traffic alert on US-101 Northbound south of Whipple Ave (Redwood City). Lanes affected. Expect delays.

A high-severity accident was reported on US-101 N near San Mateo on June 20, 2026 at 12:56 PM.

Road

US-101 N

Area

San Mateo

Address

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Started

Jun 20, 5:56 AM

Last Updated

4 months, 1 week ago

Jun 20, 6:15 AM

Resolved

Jun 20, 12:15 PM

Coordinates

37.4950, -122.2281

Update History

2 observations

CHP : Severe traffic alert on US-101 Northbound south of Whipple Ave (Redwood City). Lanes affected. Expect delays. Jun 20, 6:00 AM

CHP : Severe traffic alert on US-101 Northbound south of Whipple Ave (Redwood City). Lanes affected. Expect delays. Jun 20, 5:15 AM

Source: 511_sfbay · ID 511.org/1510866 First seen Jun 20, 2026 5:15 AM