A major crash brought eastbound traffic on North Sam Houston Tollway to a halt at Antoine Drive around 11:55 AM on Wednesday, July 29. Responding officers arrived to find a serious collision that blocked multiple lanes and backed up vehicles for a considerable distance during what should have been mid-day travel.
The crash is the seventh incident documented in the past 30 days at this exact location on the North Sam Houston Tollway at Antoine, according to LocalTrafficAccidents.com data. Over a 90-day window, the corridor has seen 13 total incidents, with 12 classified as major—a pattern that underscores the frequency of serious collisions at this stretch. The LTA database shows crashes are the dominant incident type here over the past three months.
Weather conditions at the time were scattered clouds with temperatures near 94°F—hot but clear, with no precipitation or visibility constraints reported.
State crash records paint a longer picture. Since January 2020, Texas Department of Transportation CRIS data documents 1,116 crashes within about a quarter-mile of this corridor, including four fatal collisions. Contributing factors as recorded by investigating officers, per TxDOT CRIS, show "Failed To Control Speed" as the leading recorded factor, cited in 367 crashes at this location. The hit-and-run rate at the corridor stands at 6.3%, with 151 of 2,388 units involved in crashes leaving the scene.
Harris County as a whole reported 17,412 incidents in the past 30 days, including 29 fatal crashes—context that shows the county's traffic burden and the concentration of serious incidents at specific corridors like this one.
A single westbound lane remained open as cleanup continued, creating substantial delays for drivers heading toward downtown and the eastern side of the metro. Authorities worked to clear the roadway and remove disabled vehicles. Traffic remained heavy as commuters sought alternate routes around the incident.
Thursday has been the highest-incident day at this location over the past 90 days, with three documented collisions on that day alone. Drivers using the North Sam Houston Tollway should anticipate similar crash frequency, particularly during high-volume travel periods, and maintain extra spacing and attention at this stretch of the freeway.
North Sam Houston Tollway Eastbound at Antoine Dr
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.