NACOGDOCHES — A motorcycle accident in Nacogdoches County has killed one person. Dead at the scene was Glenn David Whitmore Jr., 48, of Douglass. The Department of Public Safety reports Whitmore was passing a vehicle when he ran off the road and hit a culvert. He was not wearing a helmet. The accident occurred around 1:15 Tuesday afternoon on Farm Road 225 in western Nacogdoches County.