"San Mateo"

CHP : Traffic Collision with Injuries on US-101 Northbound south of San Bruno Ave E (San Bruno). Right shoulder affected. Expect delays. Accident

US-101 N San Mateo 12 minutes ago Live Moderate

Caltrans : Long-term construction on CA-82 Southbound between Peninsula Ave (Burlingame) and E Poplar Ave (San Mateo). Lane closed until 6 PM. From 5:00 PM Tuesday, May 12, 2026 to 6:00 PM Friday, August 28, 2026. Construction

CA-82 S San Mateo 12 minutes ago Live

Caltrans : Long-term construction on CA-82 Northbound between E Poplar Ave (San Mateo) and Peninsula Ave (Burlingame). Lane closed until 6 PM. From 5:00 PM Tuesday, May 12, 2026 to 6:00 PM Friday, August 28, 2026. Construction

CA-82 N San Mateo 12 minutes ago Live

CHP : Traffic Collision on US-101 Northbound north of E Millbrae Ave (Millbrae). Right shoulder affected. Expect delays. Accident

US-101 N San Mateo 42 minutes ago Moderate

CHP : Residual delays on US-101 Northbound north of San Bruno Ave E (San Bruno). Right shoulder affected. Expect delays. Accident

US-101 N San Mateo 57 minutes ago Moderate

CHP : Disabled vehicle on US-101 Northbound south of San Bruno Ave E (San Bruno). Right shoulder affected. Expect delays. Accident

US-101 N San Mateo 1 hour, 12 minutes ago Moderate

CHP : Traffic Collision on US-101 Southbound at Marsh Rd (Menlo Park). Lane affected. Expect delays. Accident

US-101 S San Mateo 8 hours, 12 minutes ago Moderate

CHP : Traffic Collision on CA-84 Eastbound east of University Ave (Menlo Park). Lane affected. Expect delays. Accident

CA-84 E San Mateo 9 hours, 42 minutes ago High

CHP : Traffic Collision with Injuries on I-280 Southbound south of Edgewood Rd (Unincorporated). Lanes open. Expect delays. Accident

I-280 S San Mateo 11 hours, 27 minutes ago

CHP : Traffic Hazard on I-280 Northbound entering at Bunker Hill Dr (San Mateo). On Ramp affected. Expect delays. Accident

I-280 N San Mateo 14 hours, 27 minutes ago High

CHP : Traffic Collision on I-280 Southbound south of Avalon Dr (South San Francisco). Lane affected. Expect delays. Accident

I-280 S San Mateo 15 hours, 12 minutes ago Moderate

CHP : Traffic Collision on CA-35 Northbound at Westmoor Ave (Daly City). Lane blocked. Expect delays. Accident

CA-35 N San Mateo 15 hours, 57 minutes ago Low

CHP : Traffic Hazard on I-280 Southbound at Serramonte Blvd (Daly City). Left lane affected. Expect delays. Accident

I-280 S San Mateo 18 hours, 12 minutes ago Moderate

CHP : Traffic Hazard on I-280 Southbound north of Sneath Ln (San Bruno). Left lane blocked. Expect delays. Accident

I-280 S San Mateo 18 hours, 27 minutes ago Moderate

CHP : Vehicle fire on US-101 Southbound south of Willow Rd (Menlo Park). Right lane blocked. Expect delays. Accident

US-101 S San Mateo 18 hours, 27 minutes ago Moderate

CHP : Traffic Hazard on I-280 Southbound north of Edgewood Rd (Unincorporated). Right shoulder affected. Expect delays. Accident

I-280 S San Mateo 18 hours, 42 minutes ago Moderate

CHP : Residual delays on US-101 Northbound south of Oyster Point Blvd (South San Francisco). Center Divider affected. Expect delays. Accident

US-101 N San Mateo 19 hours, 12 minutes ago Low

CHP : Traffic Collision on I-280 Northbound north of I-280 N-CA-1 N Split (Daly City). On Ramp affected. Expect delays. Accident

I-280 N San Mateo 20 hours, 12 minutes ago High

Caltrans : Roadwork on US-101 Southbound at E Hillsdale Blvd (San Mateo). Lane closed. Expect delays. From 6:30 AM Saturday, May 23, 2026 to 12:00 PM Saturday, May 23, 2026. Construction

US-101 S San Mateo 20 hours, 27 minutes ago

CHP : Traffic Hazard on US-101 Southbound north of Sister Cities Blvd (South San Francisco). Left lanes affected. Expect delays. Accident

US-101 S San Mateo 21 hours, 27 minutes ago Moderate

CHP : Traffic Hazard on US-101 Southbound at Broadway (Burlingame). Right lane blocked. Expect delays. Accident

US-101 S San Mateo 22 hours, 57 minutes ago Moderate

CHP : Traffic Hazard on I-280 Southbound south of Washington St (Daly City). Right shoulder affected. Expect delays. Accident

I-280 S San Mateo 1 day, 1 hour ago Moderate

CHP : Traffic Collision with Injuries on CA-92 Westbound east of San Mateo Bridge - High Rise (Foster City). Right shoulder blocked. Expect delays. Accident

CA-92 W San Mateo 1 day, 1 hour ago Moderate

CHP : Traffic Hazard on CA-35 Southbound west of CA-92 E (Unincorporated). Right shoulder blocked. Expect delays. Accident

CA-35 S San Mateo 1 day, 1 hour ago Moderate

CHP : Traffic Collision on CA-92 Westbound west of San Mateo Bridge - High Rise (Foster City). Lane affected. Expect delays. Accident

CA-92 W San Mateo 1 day, 5 hours ago Moderate

CHP : Traffic Collision on US-101 Northbound south of S Airport Blvd (South San Francisco). Right shoulder affected. Expect delays. Accident

US-101 N San Mateo 1 day, 9 hours ago Moderate

CHP : Disabled vehicle on I-280 Northbound south of I-280 N-CA-1 N Split (Daly City). Lane affected. Expect delays. Accident

I-280 N San Mateo 1 day, 11 hours ago Moderate

CHP : Traffic Hazard on I-280 Northbound south of Golf Course Dr (Unincorporated). Lane affected. Expect delays. Accident

I-280 N San Mateo 1 day, 12 hours ago Moderate

CHP : Traffic Hazard on US-101 Southbound north of CA-92 E (San Mateo). 2nd lane from the left blocked. Expect delays. Accident

US-101 S San Mateo 1 day, 13 hours ago Moderate

CHP : Traffic Hazard on US-101 Southbound north of Ralston Ave (Belmont). Lane affected. Expect delays. Accident

US-101 S San Mateo 1 day, 13 hours ago Moderate

Caltrans : Roadwork on CA-82 Northbound and Southbound south of Oak Grove Ave (Burlingame). All lanes closed until 6 PM. From 9:00 AM Friday, May 22, 2026 to 6:00 PM Friday, May 22, 2026. Construction

CA-82 S San Mateo 1 day, 14 hours ago

Caltrans : Scheduled roadwork on CA-82 Northbound at Oak Grove Ave (Burlingame). All lanes closed. Avoid the area. From 9:45 AM Friday, May 22, 2026 to 6:00 PM Friday, May 22, 2026. Construction

CA-82 N San Mateo 1 day, 14 hours ago

CHP : Traffic Collision on I-280 Northbound north of Hickey Blvd (Daly City). Right lane blocked. Expect delays. Accident

I-280 N San Mateo 1 day, 14 hours ago Moderate

CHP : Traffic Hazard on US-101 Northbound south of Woodside Rd (Redwood City). Lanes blocked. Expect delays. Accident

US-101 N San Mateo 1 day, 15 hours ago Moderate

CHP : Traffic Hazard on US-101 Northbound south of Marsh Rd (Menlo Park). Lane affected. Expect delays. Accident

US-101 N San Mateo 1 day, 15 hours ago Moderate

CHP : Traffic Hazard on I-280 Northbound south of CA-92 E (San Mateo). Right lane blocked. Expect delays. Accident

I-280 N San Mateo 1 day, 16 hours ago Moderate

CHP : Traffic Collision on US-101 Northbound south of E Hillsdale Blvd (San Mateo). Right lane blocked. Expect delays. Accident

US-101 N San Mateo 1 day, 16 hours ago Moderate

CHP : Traffic Collision on US-101 Southbound north of Woodside Rd (Redwood City). Right lane blocked. Expect delays. Accident

US-101 S San Mateo 1 day, 17 hours ago Moderate

CHP : Residual delays on US-101 Southbound north of Woodside Rd (Redwood City). Right shoulder affected. Expect delays. Accident

US-101 S San Mateo 1 day, 18 hours ago Moderate

CHP : Traffic Hazard on I-280 Northbound north of Farm Hill Blvd (Woodside). 3rd lane from the left blocked. Expect delays. Accident

I-280 N San Mateo 1 day, 18 hours ago Moderate