South Sam Houston Tollway crash at Post Oak Saturday morning

A crash on South Sam Houston Tollway eastbound at S. Post Oak around 9:14 AM Saturday morning tied up traffic on a corridor that's already seeing persistent incident activity.

The wreck knocked out multiple lanes during the mid-morning period, backing up eastbound drivers in the area. Responding officers worked to clear the scene, though exact clearance time wasn't immediately available.

This stretch of the South Sam Houston has emerged as a significant incident hotspot. According to LocalTrafficAccidents.com data, the corridor logged 22 crashes in the past 30 days alone—15 of them major. Over the past 90 days, that number climbs to 72 total incidents, with 46 classified as major. The 12-month total stands at 191 crashes, 109 of them major.

The timing of today's crash fell outside the corridor's busiest window. LTA data shows the single heaviest hour here runs from 7 to 8 AM, when four crashes occurred over the past month. However, crashes at this location happen throughout the day rather than concentrating in one particular window.

TxDOT public crash records paint a detailed picture of what happens on this stretch. Since January 2020, the area within about a quarter-mile has recorded 554 crashes, including three fatalities. When it comes to contributing factors as recorded by investigating officers, per TxDOT CRIS, the data shows "Failed To Control Speed" as the leading factor, cited in 144 crashes. The corridor also registers an 11.8% hit-and-run rate—134 of the 1,131 vehicle units involved in crashes here left the scene.

Weather conditions Saturday were clear, with temperatures around 88 degrees at the time of the incident.

If you're heading eastbound on South Sam Houston near Post Oak, expect delays in the immediate aftermath. Check current conditions before you head out, and consider alternate routes if you're not time-sensitive.