A major crash shut down the southbound US 59 entrance ramp at Chimney Rock early Tuesday morning, August 18, 2026, around 5:56 AM, backing up traffic during what would normally be a lighter stretch of the morning commute.
Authorities responded to the scene as lanes remained blocked during the initial investigation and clearing. The incident added to an already crowded incident history at this corridor—according to LocalTrafficAccidents.com data, the US 59 southbound stretch at Chimney Rock has recorded 44 incidents over the past 30 days, with 29 of those classified as major crashes.
While most crashes at this location fall outside the typical weekday commute peaks, the data shows Tuesday mornings aren't immune. The single busiest hour at this corridor is 1 PM to 2 PM, when the LTA database has logged 17 crashes over recent months. Looking back further, the past 90 days show 147 total incidents at this location, 74 of them major. Over the past 12 months, the corridor has recorded 326 incidents, including 160 major crashes and 4 fatalities.
Broader context from TxDOT CRIS public crash records covering the past six years shows this stretch—within about a quarter-mile of the Chimney Rock entrance—has logged 1,341 crashes since January 2020. Contributing factors as recorded by investigating officers show "Failed To Control Speed" as the leading factor, cited in 524 crashes. Additionally, the hit-and-run rate at this corridor stands at 11.7 percent, with 340 of 2,900 units involved in crashes leaving the scene.
Weather conditions at the time of the incident were scattered clouds and 80 degrees—favorable driving conditions that morning.
The road was back open to traffic following the standard clearing and investigation procedures. Drivers using the US 59 southbound corridor should expect residual delays as traffic normalizes.
**Update (2:00 PM CT):** The major crash at SUS59IB-RICE AVE S 5239 S US 59 FWY @ CHIMNEY ROCK ENTR RAMP, first reported at 5:56 AM, has cleared after more than 8 hours. All lanes have reopened and normal traffic flow has resumed in the area.
SUS59IB-RICE AVE S 5239 S US 59 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.