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Wreck on I-10 eastbound at John Ralston ramp early Sunday

September 27, 2026 at 12:42 AMBy Dennis R. Mundy, Executive Editor📍 Harris County

A motor vehicle incident shut lanes on I-10 eastbound near the John Ralston entrance ramp around 12:42 AM on Sunday, September 27, creating a major disruption in the predawn hours.

Responding officers worked to clear the crash and reopen the roadway. The incident occurred on a section of I-10 that has seen substantial crash activity in recent months. According to LocalTrafficAccidents.com data, the location recorded 11 incidents over the past 30 days, with 7 classified as major. Over the past 90 days, the same corridor logged 151 total incidents, 134 of them major.

This stretch of I-10 eastbound near Mercury has a well-documented history of collisions. Per TxDOT CRIS public crash records dating to January 2020, the corridor has experienced 744 crashes within about a quarter-mile, including 6 fatalities. Contributing factors as recorded by the investigating officer, per TxDOT CRIS, show "Failed To Control Speed" as the leading factor, cited in 311 crashes at this location. The hit-and-run rate at the corridor stands at 10.2 percent, with 171 of 1,683 units involved in crashes leaving the scene.

While the single busiest hour at this location is typically 5 to 6 PM, crashes here occur at varied times rather than concentrating in one window, making any time of day a potential risk period.

Weather conditions at the time of the incident were clear, with temperatures around 78 degrees.

The status of lane reopenings and any injury information from this specific incident were not immediately available. Drivers in the area should expect residual delays as crews completed their work.

📊 Accident History at IH10IB-MERCURY E IH 10 FWY @ JOHN RALSTON ENTR RAMP

LTA incident record
Past 30 days11 incidents (7 major)
Past 90 days151 incidents (134 major)
Past 12 months403 incidents (336 major)
TxDOT crash record
Since January 2020744 crashes, 6 fatal

Sources: TxDOT Crash Records Information System and Local Traffic Accidents database. Counts through September 27, 2026.

📍 Incident Location

IH10IB-MERCURY E IH 10 FWY @ JOHN RALSTON ENTR RAMP

Harris County, Texas

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How This Report Was Produced

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.

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