A major motor vehicle incident was reported at the Katy Freeway outbound exit ramp near Chimney Rock and Wirt at 3:44 AM on Monday, May 04, 2026. The crash occurred during off-peak hours in Harris County.
The incident adds to an extreme concentration of collisions at this location. According to LocalTrafficAccidents.com data, the Katy Freeway outbound at Chimney Rock–Wirt has recorded 29 incidents over the past 30 days, with 16 classified as major. Over the past 90 days, the corridor has logged 60 total incidents, 30 of them major. The 12-month incident count stands at 61, with 31 major events.
The pattern at this exit ramp reflects broader traffic stress in Harris County, where 19,078 incidents occurred over the same 30-day window, including 39 fatal crashes. LTA tracks more than 68,000 incidents monthly across the 13-county Houston-Galveston region with real-time updates.
Data from the past 90 days shows the dominant incident pattern at this location skews toward off-peak hours, though 39 percent of crashes here occur during rush periods. The peak crash hour is 8 AM to 9 AM, which recorded six incidents in the 90-day window. Tuesdays emerge as the highest-incident day at the location, with 11 crashes logged in the three-month period.
Minor crashes dominate the incident type profile over 90 days, though major incidents represent a significant share of the total. Weather conditions at the time of this incident were overcast clouds with temperatures around 61 degrees Fahrenheit.
The Katy Freeway outbound corridor near this exit ramp remains under active monitoring as incident frequency continues to exceed typical thresholds for comparable Houston-area freeway sections.
28 crashes had already been logged here in the month before this incident.
104 crashes have happened at this location after this incident. Major collisions accounted for 64 of those incidents.
Crash frequency has been roughly consistent before and after this incident.
Three of those crashes fell within a single week.
Adding those counts together places this location in the upper tier of county crash counts.
Last incident at this location recorded August 21, 2026.
KATY FWY OB @ CHIMNEY ROCK - WIRT EXIT RAMP
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.