ASHFORD, Wis. (CBS 58) -- A 30-year-old Waukesha woman died late Wednesday, April 1, after a single-vehicle rollover crash at the intersection of County Highway W and County Highway BB in the Town of Ashford, according to the Fond du Lac County Sheriff's Office.

A pickup truck was traveling northbound on CH BB at around 11:52 p.m. when it failed to negotiate a curve, left the roadway, went down an embankment and struck a culvert before overturning onto CH W, the sheriff's office said.

The driver was the only person in the vehicle and was pronounced dead at the scene.

The crash is under investigation.