FM 521 at Caldwell Ranch crash Saturday morning

A crash at FM 521 Road and Caldwell Ranch Boulevard in Rosh brought early-morning traffic to a standstill Saturday. The accident occurred at 6:49 AM, blocking traffic as first responders worked the scene.

The impact was immediate and significant for anyone heading through that intersection Saturday morning. With major accidents at this location, lane closures and backups can stretch for blocks, forcing drivers into time-consuming detours.

According to LocalTrafficAccidents.com data, this intersection has become a focal point for serious collisions. Over the past 30 days, four accidents have occurred at FM 521 and Caldwell Ranch—all major incidents. The pattern extends further back: over the past 12 months, every crash recorded at this location has been classified as major.

TxDOT CRIS public crash records paint a broader picture of the area. Since January 2020, approximately 82 crashes have occurred within a quarter-mile of this intersection. The most common contributing factor, as recorded by investigating officers, is "Failed To Control Speed," cited in 41 of those crashes. That factor alone accounts for about half of all collisions in the corridor—a significant pattern in state records.

Fort Bend County saw 720 incidents over the past 30 days, with one fatal crash countywide. Conditions Saturday morning were clear, with temperatures near 82 degrees—ideal weather that rules out rain or visibility as complicating factors.

If you're traveling through Rosh this weekend, allow extra time near FM 521 and Caldwell Ranch. Crews should have the roadway cleared within a few hours, but backups may persist as traffic flow normalizes. Check real-time traffic apps before heading out to avoid the congestion.