A car crash with injuries closed lanes on I-45 South near Exit 47B at 3:16 AM on Tuesday, April 21, 2026. The incident occurred during an off-peak period on a corridor that has logged 90 incidents over the past 30 days—placing it in the highest risk category in LTA's database.
The specific circumstances of the crash—vehicle count, injury severity, and lane closure duration—remain under investigation. Harris County emergency services responded to the scene.
The crash extends a documented pattern. Over the past 30 days, the I-45 South corridor at Exit 47B has recorded 90 total incidents, 53 of which were classified as major. The 90-day window shows 226 incidents at this location, including 127 major crashes and 2 fatalities. This concentration of incidents on a single corridor segment reflects infrastructure or operational conditions that warrant sustained attention from traffic management and transportation authorities.
While rush hour incidents account for only 23 percent of crashes at this location over the past 90 days, the dominant pattern is off-peak collisions. Crashes remain the most common incident type at this corridor segment. This skew toward non-commute-hour incidents suggests factors beyond typical congestion dynamics—including driver behavior, sight lines, road surface conditions, or vehicle speed on the freeway segment.
The Harris County region recorded 18,423 traffic incidents over the past 30 days, with 36 fatal crashes. The concentration of incidents at I-45 South Exit 47B represents a significant portion of major crash activity in the county and underscores the acute risk profile of this specific location.
LTA maintains real-time incident data across the 13-county Houston-Galveston region and publishes corridor heat analysis to identify locations where patterns exceed baseline expectations. The I-45 South Exit 47B corridor is flagged as extreme risk based on incident frequency and severity over successive 30-day measurement windows.
Drivers on I-45 South in this segment should expect potential delays and exercise standard caution during incident response and recovery operations.
Going back a month from this incident, 85 crashes had been recorded at the location.
The 17 weeks since this incident have brought 314 more crashes here. 169 of the more recent crashes were major.
Crashes at this location have arrived at a similar pace since.
Some of those crashes occurred within days of each other.
The combined before-and-after total places this location in the upper tier of county incident counts.
Numbers current through August 22, 2026.
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.