Accident
Moderate Severity
Active
CHP : Traffic Collision on US-101 Southbound north of Grand Ave (South San Francisco). Lane affected. Expect delays.
A injury accident was reported on US-101 S near San Mateo on April 26, 2026 at 7:02 AM.
Last Updated
1 minute ago
Apr 26, 12:30 AM
Coordinates
37.6586, -122.4054
Update History
4 observations
CHP : Traffic Collision on US-101 Southbound north of Grand Ave (South San Francisco). Lane affected. Expect delays.
Apr 26, 12:15 AM
CHP : Traffic Collision on US-101 Southbound north of Grand Ave (South San Francisco). Lane affected. Expect delays.
Apr 26, 12:00 AM
CHP : Traffic Collision on US-101 Southbound north of Grand Ave (South San Francisco). Lane affected. Expect delays.
Apr 25, 11:45 PM
CHP : Traffic Collision on US-101 Southbound north of Grand Ave (South San Francisco). Lane affected. Expect delays.
Apr 25, 11:30 PM
Source: 511_sfbay · ID 511.org/1486214
First seen Apr 25, 2026 11:30 PM