A major crash on IH-45 North southbound at SH-249/Mount Houston Road occurred at 1:59 AM on Sunday, April 26, 2026. The incident took place during an off-peak hour on a freeway corridor that has recorded 13 major incidents in the past 30 days, according to LocalTrafficAccidents.com data.
Motorists seeking to avoid the affected area had access to alternate routes including the Hardy Toll Road, SH-249 to the northwest, or local routes via Airline Drive.
The crash adds to an elevated incident pattern at this Harris County location. LTA data shows 24 major crashes at IH-45 North southbound at SH-249/Mount Houston Road over the past 12 months, with the frequency remaining consistent through the most recent 30-day period. While 39 percent of incidents at this location occur during rush hours, the corridor also sustains significant off-peak activity, reflecting a consistent crash risk across multiple time windows.
Analysis of 90-day incident patterns reveals that Thursdays represent the highest-incident day at this location, with 6 recorded crashes, and the 9 AM to 10 AM window marks the peak crash hour with 3 incidents. However, crashes are distributed across all hours, indicating that this intersection presents hazards beyond traditional commute times.
The incident occurred under clear weather conditions—broken clouds with a temperature of 76°F—ruling out adverse weather as a contributing factor in this case.
Harris County recorded 18,424 total traffic incidents in the past 30 days, including 38 fatalities, according to LTA data. The Houston-Galveston region encompasses 62,812 incidents tracked across 13 counties with updates every two minutes.
The IH-45 North corridor at SH-249/Mount Houston Road continues to be classified as a high-incident location. Drivers using this stretch should account for the documented crash frequency and plan accordingly, particularly during peak hours when incident risk increases.
In the four weeks before this crash, 12 incidents had piled up at this location.
In the days and weeks following this crash, the location recorded 25 more incidents. 22 of those crashes reached major severity.
The pace has eased at this location in the time since.
Multiple crashes occurred at this location within a tight time window.
Combined, those numbers put the location among the most active in the county.
Last incident at this location recorded July 07, 2026.
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.