A serious accident occurred on Wednesday afternoon in Beaver Dam when a school bus collided with a motorcycle at the intersection of State Highway 33 and North Crystal Lake Road. The motorcyclist, a 62-year-old man from rural Beaver Dam, was traveling east on a Harley Davidson when the bus, driven by a 54-year-old man, struck him while heading north. The motorcyclist sustained serious injuries and was taken to Marshfield Medical Center, while the bus driver remained uninjured and was the only occupant on the bus. The crash is currently under investigation by the Dodge County Sheriff's Office, with assistance from local police and fire departments. The highway was closed for approximately 30 minutes for safety and investigative purposes. No additional details regarding the circumstances of the crash have been released yet.