A crash on I-45 northbound at SH 249/Mount Houston Road around 1:25 AM on Sunday, July 12 disrupted pre-dawn traffic in Harris County. Responding officers cleared the scene, though the incident underscores a persistent pattern on one of the region's most active crash corridors.
This stretch of I-45 northbound has logged 381 incidents over the past 30 days according to LocalTrafficAccidents.com data — 333 of them major. Over the past year, the corridor has recorded 863 total incidents, including three fatalities. The sheer volume makes Sunday's wreck part of a much larger traffic-safety story on this segment of freeway.
The roadway was clear by early morning, and alternate routes were available throughout the incident. Drivers experiencing delays could have used the Hardy Toll Road, SH-249 northwest, or local streets via Airline Drive.
Crashes dominate incident profiles here. Looking at contributing factors recorded by investigating officers per TxDOT CRIS public crash records, "Failed To Control Speed" appears in 167 crashes at this location since January 2020 — the single most common factor. The hit-and-run rate at the corridor stands at 10.6%, with 105 drivers leaving the scene of their crashes out of 987 total vehicles involved.
While this particular incident occurred in the early morning hours, the corridor does not concentrate its crashes into a narrow window. According to LTA data, the single busiest hour is 4–5 PM with 40 crashes, but incidents occur at varied times throughout the day. Thursdays historically see the most activity, recording 78 incidents over the past 90 days.
Weather at the time of Sunday's crash was clear — broken clouds and 81°F — so conditions were not a complicating factor. The incident was resolved and the road returned to normal flow by early Sunday morning.
**Update (3:25 AM CT):** As of 3:25 AM CT, the scene remains active and lanes may still be affected. Motorists are advised to seek alternate routes.
**Update (4:25 AM CT):** The major crash at IH-45 North Southbound at SH 249/ Mount Houston Rd, first reported at 1:25 AM, has cleared after approximately 3 hours. All lanes have reopened and normal traffic flow has resumed in the area.
IH-45 North Southbound at SH 249/ Mount Houston 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.