A serious collision brought southbound traffic to a standstill on the West Sam Houston Tollway at FM-1093 Westheimer Road Thursday evening at 5:38 PM. The crash occurred during the height of the evening commute, backing up vehicles across multiple lanes and creating gridlock that rippled throughout the corridor for hours.
The timing couldn't be worse for commuters trying to escape the city during peak rush hour. Drivers heading south toward Sugar Land, Missouri City, and Stafford faced significant delays on the tollway itself. Those looking to escape the backup should consider diverting to Richmond Avenue or using the parallel surface streets along Bellaire Boulevard, which provide alternate routes around the affected area. The Beltway 8 interchange also offers another option for drivers trying to bypass the congestion entirely, though that route will likely draw heavy traffic as well.
This stretch of the West Sam Houston Tollway has become one of Houston's busier crash corridors. Over the past 30 days alone, the intersection at Westheimer Road has logged 72 total incidents, including 36 major collisions and 5 fatalities. The convergence of high-speed tollway traffic with FM-1093's heavy volume of cross-corridor vehicles creates a persistent bottleneck, particularly during afternoon and evening rush periods when commuters are transitioning between the southwest Houston suburbs and major employment centers.
The southbound direction bore the brunt of the incident, with lanes blocked as emergency crews worked the scene. Cleanup and recovery operations extended well into the evening hours as crews cleared debris and assessed vehicle damage. Drivers should anticipate extended delays through at least 8 PM, with residual congestion expected to linger into the night as the tollway works to restore normal flow. Late afternoon travelers heading south through this corridor should plan for significant delays and consider shifting their departure time if possible.
Crash counts at this location reached 71 in the 30 days before this incident.
194 new incidents have been logged at this location after this crash. The subsequent count included 106 major collisions.
The pace has eased at this location in the time since.
A short window saw several crashes at the location.
Adding those counts together places this location in the upper tier of county crash counts.
Numbers current through August 23, 2026.
West Sam Houston Tollway Southbound at FM-1093 Westheimer Rd
Harris County, Texas
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.