A motorcycle operator was seriously injured in a crash in Dodge County. The crash happened Friday on Highway 175 near County Highway HH in the town of Leroy. A preliminary investigation shows the motorcycle was southbound on 175 at a high rate of speed, when it began to slide on the roadway, traveled off the road, struck a mailbox and overturned in a cornfield. The 25 year old motorcycle operator was ejected from the motorcycle. He was flown by Flight for Life helicopter to Froedert Hospital in Milwaukee.