Accident
High Severity
Active
CHP : Traffic Collision 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 29, 2026 at 10:37 PM.
Last Updated
13 minutes ago
May 29, 4:45 PM
Coordinates
37.3376, -122.3942
Update History
3 observations
CHP : Traffic Collision on CA-1 Southbound north of CA-84 (San Gregorio). Lane affected. Expect delays.
May 29, 4:45 PM
CHP : Traffic Collision on CA-1 Southbound north of CA-84 (San Gregorio). Lane affected. Expect delays.
May 29, 4:30 PM
CHP : Traffic Collision on CA-1 Southbound at CA-84 (San Gregorio). Lane affected. Expect delays.
May 29, 3:45 PM
Source: 511_sfbay · ID 511.org/1501132
First seen May 29, 2026 3:45 PM