RCMP say the driver of a truck was killed Sunday night in a rollover west of Okotoks.
Investigators believe the pickup truck rolled into a ditch after failing to negotiate a curve in the eastbound lane of Big Rock Trail around 10:30 p.m.
The 43-year-old driver was pronounced deceased at the scene, mounties said in a release Monday.
Police say the roads were wet at the time of the crash.
The driver's name is not being released until family can be notified.