Accident High Severity Resolved

CHP : Traffic Collision with Injuries on CA-1 Southbound north of CA-84 (San Gregorio). Lane affected. Expect delays.

A high-severity accident was reported on CA-1 S near San Mateo on May 16, 2026 at 2:28 AM.

Road

CA-1 S

Area

San Mateo

Address

Loading…

Started

May 15, 7:28 PM

Last Updated

2 weeks ago

May 15, 8:15 PM

Resolved

May 16, 2:30 AM

Coordinates

37.3452, -122.3958

Update History

3 observations

CHP : Traffic Collision with Injuries on CA-1 Southbound north of CA-84 (San Gregorio). Lane affected. Expect delays. May 15, 8:15 PM

CHP : Traffic Collision with Injuries on CA-1 Southbound north of CA-84 (San Gregorio). Lane affected. Expect delays. May 15, 7:45 PM

CHP : Traffic Collision with Injuries on CA-84 Eastbound and Westbound south of CA-1 (San Gregorio). Lane affected. Expect delays. May 15, 7:30 PM

Source: 511_sfbay · ID 511.org/1495131 First seen May 15, 2026 7:30 PM