The Rock County Medical Examiner’s Department says more testing is underway on the victim of Monday night’s accident at the intersection of Highways 51 and 14. Janesville police say an officer saw a motorcyclist speeding north on Highway 51 around 9:30 in the evening shortly before the accident. Rock County Sheriff’s investigators say the driver ran the red light and broad sided a vehicle passing through the intersection. The motorcyclist has been identified as 32-year-old Derrick Lee Cutright of Edgerton.