A major crash at FM 521 Road and Sienna Parkway in Rosenberg disrupted traffic Wednesday morning around 10:47 AM. Responding officers worked the scene as drivers navigated around the incident in Fort Bend County.
The crash marks the 22nd incident at this intersection in the past 30 days, according to LocalTrafficAccidents.com data. Over a 90-day period, the location has recorded 36 total incidents, with 33 classified as major. The corridor has logged 47 incidents over the past 12 months—a record that underscores how frequently crashes occur at this particular intersection.
FM 521 is a county-level road that typically sees its heaviest crash activity outside traditional commute windows. Most crashes at this location fall outside weekday rush hours, with the single busiest hour being midnight to 1 AM, when five crashes have occurred. Sundays have been the highest-incident day over the past 90 days, with five crashes recorded.
Accidents are the dominant incident type at this intersection, representing the vast majority of reported events over the past three months. Weather conditions at the time of Wednesday's crash were scattered clouds and 92 degrees—clear conditions that posed no obvious visibility or traction hazards.
Fort Bend County recorded 1,106 traffic incidents in the past 30 days with no fatalities. The county remains part of the broader Houston-Galveston region tracked by LTA's real-time incident database.
Authorities cleared the scene and traffic flow resumed on FM 521. Drivers in the area should remain alert, particularly given the intersection's recent incident history.
**Update (6:50 PM CT):** The major crash at Fm 521 Rd/Sienna Pkwy, Rsh, TX, first reported at 10:47 AM, has cleared after more than 8 hours. All lanes have reopened and normal traffic flow has resumed in the area.
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.