An Eden woman was killed in a one vehicle crash in Fond du Lac County. The crash happened shortly before 8am Tuesday on Highway B just east of the village of Eden. A preliminary investigation shows a vehicle was eastbound on B when it crossed through the westbound lane of traffic, entered a ditch and struck a tree. The driver, a 50 year old Eden woman, was pronounced dead at the scene. The cause of the crash remains under investigation, but speed or impairment are not believed to be factors.