(KAIR)--A Saturday afternoon Atchison County motorcycle crash claimed the life of an Overland Park man.

Atchison County Sheriff Jack Laurie says 54-year-old Jeffrey Olson was traveling on K-7 Highway, about a 1/4 mile north of 330th Road, when he failed to negotiate a curve and his motorcycle left the roadway. Olson laid his bike over, impacting a ditch.   

Laurie says Olson was transported to the Atchison Hospital with a head injury and  died shortly after arrival.

He says Olson was wearing a helmet, but it came off.

The crash was reported around 3:15.