A motor vehicle incident shut down the US 90A freeway at the Chimney Rock entrance ramp early Friday, May 01, 2026, at 12:10 AM, disrupting traffic in Harris County during off-peak hours.
The crash occurred under adverse weather conditions. Mist and reduced visibility of 3.0 miles characterized conditions at the time of the incident. TxDOT reports wet conditions contributed to over 14,000 Texas crashes in the most recent annual reporting period.
The US 90A corridor at Chimney Rock has emerged as an extreme incident location. According to LocalTrafficAccidents.com data, the site recorded 25 incidents over the past 30 days, with 21 classified as major. Over the past 90 days, the corridor has logged 65 total incidents, including 39 major crashes and 2 fatalities. The pattern extends across a full year, with no substantial decline in incident frequency.
Fridays represent the highest-incident day at this location. LTA data from the past 90 days shows 12 incidents occurred on Fridays at this intersection, compared to lower counts on other weekdays. While the peak crash hour at this site is typically 5 PM–6 PM, producing 7 incidents during that window over the same period, 38 percent of all crashes at this location occur during rush hour overall. Off-peak incidents, such as Friday's early-morning crash, account for a significant share of the corridor's burden.
The incident type most commonly recorded here is traffic hazard or urgent situations, reflecting the corridor's pattern of high-frequency collisions and disruptions.
Harris County recorded 18,735 traffic incidents over the past 30 days, with 36 fatalities. The county remains a high-volume jurisdiction within the 13-county Houston-Galveston region tracked by LTA.
The severity of Friday's incident was classified as major, indicating substantial impact on traffic flow and likely vehicle damage or injuries. Specific lane closure information and clearance time were not immediately available.
The US 90A corridor's 30-day incident count of 25, combined with its documented pattern of 65 incidents over 90 days, positions this location among the highest-frequency crash sites in the region. The presence of two fatalities within the 90-day window underscores the severity of collisions occurring at this entrance ramp.
Commuters and commercial traffic using US 90A should anticipate potential delays at the Chimney Rock entrance ramp, particularly during Friday evening and weekend periods when incident frequency historically increases.
Sources: TxDOT Crash Records Information System and Local Traffic Accidents database. Counts through October 1, 2026.
At this location, 24 crashes had been documented in the 30 days before this one.
Since then, the location has recorded 88 additional crashes. 43 of the more recent crashes were major.
The location's crash rate has eased in the months since.
Several of those incidents clustered within a short window.
Adding those counts together places this location in the upper tier of county crash counts.
Last incident at this location recorded October 07, 2026.
US90AOB-CHIMNEY ROCK RD US 90A FWY @ CHIMNEY ROCK ENTR 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.