Major Traffic Disruption on US Highway 101

Traffic Collision on US Highway 101 in San Mateo Causes Delays Today

📍 San Mateo, CA

📅 Published: August 27, 2025 at 10:32 PM

🔄 Updated: August 28, 2025 at 12:00 AM

Map showing the location of the accident in San Mateo, CA
San Mateo, August 27, 2025 -

A traffic collision on southbound US Highway 101 at Poplar Avenue in San Mateo, CA, caused significant traffic disruptions today. The incident, involving two vehicles—a black Audi sedan and a black Lexus SUV—occurred around 9:39 PM. Following the crash, both vehicles were positioned on the right-hand side of the roadway, leading to lane blockages and directing traffic away from the affected area.

Emergency services quickly arrived on the scene to manage traffic and ensure safety. A tow truck was initially requested to assist with the removal of the vehicles; however, the towing request was later canceled, leaving the final status of the vehicles unclear.

As a result of the collision, motorists experienced delays and congestion in the area. Traffic was directed to alternate routes while emergency crews worked to clear the roadway. The incident serves as a reminder for drivers to remain vigilant and cautious, especially during peak travel times.

For those traveling through San Mateo, CA, it is advisable to stay informed about traffic conditions and allow for extra travel time. Authorities are working diligently to resolve the situation and restore normal traffic flow.

Were you or someone you know involved in this accident?

If you would like the full incident log, we can send it to you directly.

Request Full Incident Log

Disclaimer

The content on this website is auto-generated and based on publicly available information. While we strive to provide accurate and timely updates, we cannot guarantee the accuracy, completeness, or reliability of the information presented. This content is for informational purposes only and should not be used as the basis for decision-making. We encourage you to independently verify any facts or details. For the most accurate and up-to-date information, please contact the California Highway Patrol (CHP) directly. The website and its owners are not responsible for any errors, omissions, or actions taken based on the information provided.