Convoy is a 1978 action film directed by Sam Peckinpah and starring Kris Kristofferson, Ali MacGraw, Ernest Borgnine and Burt Young. The movie is based on the 1975 country and western novelty song "Convoy" by C.W. McCall and Chip Davis. The film was made when the CB Radio/trucking craze was at its peak in the United States, and followed the similarly themed films Smokey and the Bandit, White Line Fever and the television series Movin' On and B. J. and the Bear.
(Summary from Wikipedia)