Accident
High Severity
Resolved
CHP : Traffic Collision on US-101 Southbound at I-380 W (South San Francisco). On Ramp affected. Expect delays.
A high-severity accident was reported on US-101 S near San Mateo on July 13, 2026 at 3:52 AM.
Last Updated
2 weeks, 1 day ago
Jul 12, 9:15 PM
Coordinates
37.6381, -122.4049
Update History
4 observations
CHP : Traffic Collision on US-101 Southbound at I-380 W (South San Francisco). On Ramp affected. Expect delays.
Jul 12, 9:00 PM
CHP : Traffic Collision on US-101 Southbound at I-380 W (South San Francisco). Right shoulder affected. Expect delays.
Jul 12, 8:45 PM
CHP : Traffic Collision on US-101 Southbound at I-380 W (South San Francisco). Right shoulder affected. Expect delays.
Jul 12, 7:30 PM
CHP : Traffic Collision on US-101 Southbound at I-380 W (South San Francisco). Lane blocked. Expect delays.
Jul 12, 7:15 PM
Source: 511_sfbay · ID 511.org/1520134
First seen Jul 12, 2026 7:15 PM