Major Traffic Disruption on State Route 99

Traffic Collision on State Route 99 in Modesto Causes Delays Today

📍 Modesto, CA

📅 Published: September 2, 2025 at 11:03 AM

Map showing the location of the accident in Modesto, CA
Modesto, September 2, 2025 -

A traffic collision occurred today on State Route 99 South at 5th Street in Modesto, CA, causing significant disruptions during the morning commute. The incident involved two vehicles: a blue sedan with left side damage and a semi truck. Initial reports indicate that the blue sedan was cut off by the semi truck, leading to the collision.

Emergency services quickly arrived at the scene, implementing lane closures to manage traffic control. As a result, motorists experienced delays and congestion in the area, particularly in lanes #1 and #2, which were closed to facilitate the response efforts. The blue sedan required towing due to the damage sustained, while the semi truck remained on-site.

Traffic flow was notably impacted, with backups reported as emergency personnel worked to clear the scene and restore normal conditions. Motorists are advised to seek alternate routes to avoid delays as the situation unfolds.

Emergency response teams are actively managing the scene, ensuring that traffic is redirected safely while they work to clear the vehicles involved. Updates will be provided as conditions improve and lanes are reopened.

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