Major Traffic Disruption on SR-4 After Collision

Traffic Collision on State Route 4 in Pittsburg Causes Delays Today

📍 Pittsburg, CA

📅 Published: July 19, 2025 at 01:03 PM

Map showing the location of the accident in Pittsburg, CA
Pittsburg, July 19, 2025 -

A traffic collision involving two vehicles occurred today on the westbound side of State Route 4 (SR-4) near the San Marco Boulevard South on-ramp in Pittsburg, CA. The incident, which involved a white Mercedes GLE and a red Ford Expedition, was reported around midday. Emergency services quickly arrived at the scene to manage traffic and secure the area.

As a result of the collision, multiple lanes were closed, leading to significant traffic impact along the westbound SR-4 corridor. Motorists experienced delays and congestion as police worked to control the situation and direct vehicles away from the affected area. The presence of the vehicles on the roadway contributed to ongoing traffic backups, creating challenges for drivers during the busy afternoon commute.

Authorities are actively managing the scene, ensuring that traffic flows as smoothly as possible despite the disruption caused by the crash. Updates indicate that the vehicles involved remain on site, and emergency response teams continue to oversee the situation. Drivers are advised to seek alternate routes to avoid delays and congestion while the traffic incident is being resolved.

For those traveling through Pittsburg, CA, it is recommended to stay informed about the traffic conditions on SR-4 and plan accordingly to minimize travel disruptions.

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.