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 Radiotrucking 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.
The truckers head on to Rafaels GlideIn where The Ducks sometime girlfriend, Violet, works as a waitress. Melissa, the driver of the Jaguar, is also there the car broke down and she had to sell it and some of her belongings in an effort to leave Arizona, as shes due in Dallas for a job. The Duck offers Melissa a ride Violet is unimpressed and ushers him away to give him a special birthday present. While away, Wallace shows up at the GlideIn checking plates. Pig Pen and Spider Mike start making fun of Wallace over the diners basestation CB radio, leading to Wallace attempting to arrest Spider Mike for vagrancy.The Duck, having been warned by Widow Woman, enters and tries to smooth things over. But Lyle is determined, insulting Mike who is desperate to get home to his pregnant wife. Mike punches Wallace, leading to a brawl in the diner. The assorted truckers prevail, and The Duck handcuffs Wallace to a bar stool. After pulling the spark plug wires and distributor caps out of the police cars, they all decide to head for the state line to avoid prosecution. ........
Source: Wikipedia