A major crash at West Sam Houston Parkway South and the Richmond OBIB uturn in Harris County at 4:56 AM on Tuesday, April 21, 2026, added to an extreme pattern of incidents at this freeway location.
The collision occurred during off-peak hours on a corridor that has recorded 31 incidents over the past 30 days—18 of them major crashes. The location's 90-day data extends the pattern further: 75 total incidents including 48 major crashes and 2 fatalities in the same span.
While the incident occurred outside traditional rush hour, the data shows this corridor remains volatile across multiple time windows. Over the past 90 days, 38 percent of incidents at this location have occurred during rush hour periods, indicating the Sam Houston Parkway South at Richmond corridor generates crashes consistently throughout the day.
The crash type aligns with the corridor's dominant incident profile. Crashes account for the most common incident classification here over the 90-day window, comprising the majority of the 75 recorded events.
Harris County logged 18,374 total incidents over the past 30 days, with 36 fatalities. The Sam Houston Parkway South corridor's 31 incidents in 30 days represent a concentration of activity at a single location that warrants continued monitoring and analysis.
The freeway classification and extreme incident density at this uturn location underscore persistent infrastructure vulnerabilities. The data pattern—particularly the cluster of major crashes in recent weeks—suggests underlying conditions that extend beyond random traffic fluctuations.
No additional details regarding vehicle occupancy, lane closures, or specific contributing factors were available in the incident record.
Crash counts at this location reached 29 in the 30 days before this incident.
94 crashes have happened at this location after this incident. 52 of those crashes reached major severity.
The location's incident pace has stayed close to its prior rate.
Three of those crashes fell within a single week.
The combined before-and-after total places this location in the upper tier of county incident counts.
Counts reflect data through July 08, 2026.
3254 W SAM HOUSTON PKWY S @ RICHMOND OBIB UTRN
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.