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Southwest Fwy entrance ramp crash at Buffalo Speedway

July 18, 2026 at 02:19 AMBy Dennis R. Mundy, Executive Editor📍 Harris County

A crash blocking the entrance ramp at Southwest Freeway and Buffalo Speedway early Saturday morning shut down access at 2:19 AM on July 18, causing significant delays while crews worked to clear the scene.

Responding officers secured the ramp and worked to move vehicles and debris. The incident came during a period when this interchange has seen sustained traffic pressure—44 incidents across the past 30 days alone, according to LocalTrafficAccidents.com data. Over the past 90 days, the location has logged 157 total incidents, with 99 classified as major.

The Southwest Freeway corridor at Buffalo Speedway has recorded 274 total incidents in the past 12 months. Among those, crashes dominate the incident profile. Contributing factors as recorded by the investigating officer, per TxDOT CRIS public crash records, show "Failed To Control Speed" as the single most common factor cited at this location, accounting for 304 crashes since January 2020. Per TxDOT CRIS, the location has also recorded a hit-and-run rate of 13.4% over that same period.

Despite the early hour, the entrance ramp blockage disrupted the flow of traffic attempting to access the Southwest Freeway from the Buffalo Speedway area. While this intersection experiences crashes at varied times throughout the day and week, the 6 to 7 PM window typically sees the highest incident concentration, with 10 crashes recorded during that single hour in recent tracking.

The incident was cleared and normal traffic flow was restored following standard response procedures. Motorists using this interchange should remain alert, as the location continues to experience frequent incidents.

📍 Incident Location

Southwest Fwy & Buffalo Speedway

Harris County, Texas

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How This Report Was Produced

This report was produced by LTA's editor-designed production system under the executive editorial direction of Dennis R. Mundy, Executive Editor. The system combines our proprietary data pipeline with AI-assisted drafting to deliver verified incident coverage to LTA's editorial standards.

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