A major crash closed southbound lanes on IH-45 North at SH 249/Mount Houston Road at 4:05 AM on Friday, April 24, 2026. The incident occurred during off-peak hours on a corridor that has logged 12 major crashes over the past 30 days.
The crash reflects a documented pattern at this location. LTA's 90-day analysis shows 23 total incidents at the IH-45 North southbound intersection with SH 249/Mount Houston Road, all classified as major. The corridor's dominant incident type over the same period is crash activity, consistent with this morning's event.
Drivers seeking to avoid the closure had access to alternate routes including the Hardy Toll Road, SH-249 to the northwest, or local routes via Airline Drive. The timing of the incident—well before the morning commute peak—limited immediate congestion impact, though southbound traffic on the North Freeway would have experienced disruption during initial response and scene clearance.
Harris County recorded 18,409 traffic incidents over the past 30 days, with 40 fatalities. IH-45 North at SH 249/Mount Houston Road represents a persistent high-incident corridor within that broader county profile.
Historical data for this location shows a consistent pattern. Over the past 12 months, the corridor has sustained 23 major incidents. The 90-day count of 23 major crashes indicates the intensity has not diminished. The 30-day count of 12 major crashes underscores that crash activity at this intersection remains elevated.
While 41 percent of crashes at this location occur during rush hours (based on 90-day analysis), this morning's 4:05 AM crash falls within the dominant off-peak pattern that characterizes the corridor's incident distribution. Weather conditions at the time were overcast with temperatures at 73 degrees Fahrenheit.
The IH-45 North southbound corridor at SH 249/Mount Houston Road continues to generate incident data that distinguishes it as a high-frequency crash location within the Houston-Galveston region. The specific intersection where this morning's crash occurred has accumulated more major incidents in the past 30 days than most comparable freeway segments tracked by LTA.
Motorists traveling the North Freeway should reference current incident feeds for real-time lane status and clearance estimates. The Hardy Toll Road and SH-249 remain viable alternatives for northbound traffic seeking to circumvent IH-45 North southbound disruptions at this location.
In the 30 days before this crash, 11 incidents had already been recorded at this location.
26 more crashes have been recorded at this location in the time since. 23 of the more recent crashes were major.
The pace has eased at this location in the time since.
A cluster of those crashes happened within roughly two weeks.
That combined total ranks the location high among county incident sites.
Current through 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.