The Highway Patrol reports 23 year old David J. Sizemore of Kirksville sustained serious injuries when his southbound motorcycle ran off the left side of Highway 63 in Macon County, just south of Route T at the Excello Junction at 5 pm Saturday. The motorcycle overturned and Sizemore was ejected. He was transported by Ambulance to University Hospital in Columbia for treatment. The patrol was assisted by the Macon Rural Fire Department, Macon County First Responders, the Macon County Sheriff’s Department and Macon County Ambulance.