Major Traffic Disruptions on State Route 99

Traffic Collision on State Route 99 South in Atwater Causes Delays Today

📍 Atwater, CA

📅 Published: July 31, 2025 at 02:07 PM

🔄 Updated: July 31, 2025 at 03:02 PM

Map showing the location of the accident in Atwater, CA
Atwater, July 31, 2025 -

A traffic collision on State Route 99 South in Atwater, CA, caused significant traffic disruptions today. The incident involved two vehicles: a white Honda and a vehicle identified as “1039” associated with Union Pacific. The collision occurred during the afternoon, leading to slow traffic and congestion in the area.

Debris from the incident and damage to a metal guardrail affected the roadway, prompting emergency response teams to quickly arrive at the scene. Traffic management efforts were implemented, including lane control to ensure the safety of motorists while the area was being cleared.

The white Honda remained at the scene, while the “1039” vehicle was upright but required towing. As a result of the collision, drivers faced delays and backups on State Route 99 South, particularly near the Atwater Merced Expressway.

Emergency units coordinated with railroad personnel to address concerns regarding track clearance, ensuring the area was safe for both vehicles and trains. By 2:25 PM, the roadway was cleared, and normal traffic conditions were expected to resume shortly.

Motorists are advised to remain cautious and aware of potential lingering delays as cleanup efforts conclude. This traffic incident highlights the importance of safe driving practices and attentiveness on the road.

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