AUSTIN, Williamson County, Texas, Nov. 10, 2026 — One person died on Monday, November 9, after a crash involving a semi-truck and a passenger vehicle closed part of U.S. Highway 183 in Williamson County, according to the Williamson County Sheriff’s Office.
The crash happened at the intersection of U.S. 183 and FM 3405. Both directions of the highway were shut down following the collision.
One driver was pronounced dead at the scene. The other driver suffered serious injuries, though further details on that person’s condition have not been released. It is not yet known which vehicle’s driver died.
Drivers were urged to avoid the area and use alternate routes while crews worked the scene.
Authorities continue investigating the collision. We are deeply sorry for the loss suffered by the victim’s family, and we wish the injured driver a speedy recovery.
Crash Reports and Road Safety in Austin, TX
This fatal crash happened at U.S. 183 and FM 3405 in Austin, TX. Readers following crash news in Williamson County can find city-level information on our Austin accident resource page, including how to request a report.
Frequently Asked Questions
How long do fatal-crash investigations usually take?
Investigators typically need several days to weeks to review evidence, interview witnesses and determine a cause, though some cases take longer if toxicology results or reconstruction reports are pending.
How frequently is impairment a factor in fatal crashes?
Alcohol or drug impairment contributes to a large share of fatal collisions nationally, but whether it played a role in a specific crash is determined only after testing and investigation by the responding agency.
Where do fatal crashes most commonly happen?
Fatal crashes frequently occur at intersections and on rural highways where speeds are higher and traffic signals or turn lanes may be limited.
What makes a crash more likely to be fatal?
Higher speeds, larger vehicle size differences (such as a semi-truck versus a passenger car), and the angle of impact all affect how severe a crash becomes.