Update, 3:35 p.m.: Traffic has returned to normal. Update, 2:55 p.m.: The crash happened at about 12:03 p.m. and involved a motorcycle and a tractor-trailer, according to CPD spokesman Scott Beaubien. The motorcycle rider was pronounced dead at the scene. Anyone with information is asked to contact FACT Investigator Creighton at 931-648-0656, ext. 5367.