I-45 northbound crash at Mount Houston exit ramp early Sunday

A motor vehicle incident shut down northbound I-45 at the Mount Houston exit ramp early Sunday morning. Responding officers arrived at the scene around 4:39 AM on September 20, to find the roadway blocked and traffic backing up across multiple lanes.

The crash dealt a significant blow to the already-troubled stretch. According to LocalTrafficAccidents.com data, this location has recorded 12 incidents over the past 30 days—8 of them major—and 70 total incidents in the past 90 days, 51 classified as major. Over the past 12 months, the corridor has seen 217 total incidents, with 149 rated major and 2 fatal.

The timing of Sunday's early morning incident places it outside the typical weekday rush-hour window. LTA data shows most crashes at this location fall outside peak commute periods, though the single busiest hour historically is 3 to 4 PM, which recorded 6 crashes in the 90-day window.

Weather conditions at the time were clear, with temperatures around 76 degrees. The incident type—motor vehicle incident—aligns with the most common crash category at this corridor over the past 90 days.

Historical state crash data paints a broader picture of the location's volatility. According to TxDOT CRIS public crash records, 571 crashes have been recorded within approximately a quarter-mile of this interchange since January 2020, including 9 fatalities. Contributing factors as recorded by investigating officers, per TxDOT CRIS, show "Failed To Control Speed" as the leading factor, cited in 261 crashes. Hit-and-run incidents account for 11.8 percent of all crashes at the corridor, totaling 150 out of 1,270 units involved.

The Sunday morning incident underscores the persistent volume of traffic incidents in this corridor. Harris County recorded 14,603 incidents over the past 30 days, with 9 fatal, placing individual crashes like this one within a much larger regional context. Authorities worked to clear the roadway and restore normal traffic flow.