Hank (Richard Locke), a trucker, turns out new hire Joe on a long haul to the West Coast. The men masturbate together while on the road and participate in an all-male orgy at a truckers' bunkhouse in Los Angeles. The film features several trucking related double-entendres such as "wide load", "heavy load" and "men at work".
Jerry Reed plays the "Iron Duke", an independent trucker who stands up to the local trucker boss, King Carroll, who tries to drive independent truckers out of business. Duke's friend Rane, played by Peter Fonda, comes to visit his friend and ends up helping him. The main protagonist, trucker Doc Thunder, runs a ring of truck hijackers.
Steve Randall (Brodie) is an independent trucker who is hired by an old friend to haul some freight. Only when Steve arrives at the warehouse, does he discover he has been hired to haul away stolen goods. Steve wants no part of the plot and resists, but a cop is killed as they're committing the burglary, and all except one manage to get away.
A war-veteran-turned-truck driver Nico "Nick" Garcos (Richard Conte) arrives at home to find that his foreign-born father, a fruit farmer, has lost his legs and was forced to sell his truck. He learns that his father was crippled at the hands of an unscrupulous produce dealer in San Francisco, Mike Figlia (Lee J. Cobb). Garcos vows revenge.
Tom Yately, just released from prison, is determined to start a new life and he gets a job as a driver at Hawletts, a haulage company that transports loads of ballast gravel from a nearby quarry. The truck-drivers are offered bonuses by the agent Cartley for delivering their loads at dangerously high speeds along narrow roads. Tom is accepted by the other drivers except Red, the foreman and head driver and also a violent bully. Tom soon becomes friends with Gino, an Italian driver who is in love with Cartley's secretary Lucy. Red offers a cash bonus to any driver who can make more runs than him and Tom is determined to try.
When David (Lochlyn Munro), a comedian, gets a three night gig at a trucker's bar, his girlfriend, Sylvia (Kristin Davis), leaves him and accepts a ride from a trucker, Jack (Meat Loaf).
A Lombardy trucker with 20 years of trade on the back, see you foisted as the second driver a Sicilian much younger men, at first the two are struggling to tie: why so much is rough and taciturn. Their big beast a large truck to transport international wares leading them on the streets of Europe, are friendship between both was born between and it rules sincere harmony. The fellows gathered the savings and signing a lot of bills, on the first trip from owners in Germany to load back comes in trouble with a shady individual police. In problems Sandro and Nino become to dare losing the truck, it will nevertheless be safe and sound from bad adventure, the friends goes an unchanged confidence of his future.
Henri Savin has managed a trucking company for his lover, Dominique Montlaur, for many years. Now he is planning to leave her for Julie Manet, the woman he has made pregnant, and Dominique is hysterical. She first threatens suicide, then shows up at a meeting of Savin and Julie. Dominique tries everything she can think of to break Savin and Julie apart, to no avail. Frustrated in her efforts, she jumps off a cliff and dies. Savin insists that he and Julie lie to the police about the encounter, although Dominique's death was a suicide and therefore they had no direct hand in it. Detective Waldeck investigates Dominique's death.
Alors qu'il fait nuit noire et qu'il pleut à verse, le camion de Jean Chappe roule sur un corps étendu sur la chaussée, à côté de sa voiture. Cet homme avait participé quelques heures auparavant à un braquage sanglant. Ses complices retrouvent Jean et tentent de l'intimider, pensant qu'il a récupéré le butin du braquage lors de l'accident.
Fred, la trentaine, grutier qualifié, est au chômage. Sa compagne Lisa travaille dans un laboratoire d'analyses médicales. Elle soutient son homme, inactif malgré lui, de son amour, même si l'ambiance est de plus en plus pesante. Une nuit d'insomnie Fred entend un camion s'arrêter devant la maison de son ami Michel, chauffeur routier. Le lendemain, Michel lui propose de lui rendre service contre une mince rétribution. Il accepte de convoyer ce fameux camion dans un entrepôt. Sans le savoir, il vient de mettre le pied dans un engrenage.
In a small American town, the town residents live peacefully. But one day, trucks mysteriously start to come to life and develop their own minds, but they end up prompting violence, starting to destroy houses and kill people, and the rest of the townspeople have to figure out a way to destroy them all before they kill all the residents of the town.
Ellen Carson (Yasmine Bleeth) is a real estate agent who inadvertently cuts off a delivery truck driver while changing lanes on the freeway to hurry home. The truck driver turns out to be a disturbed man named Eddie Madden (Jere Burns), who proceeds to chase after Ellen in an effort to run her off the road. Ellen in fear calls the 1-800 number on the back of his truck and lodges a complaint, which causes Eddie to lose his job, and he (being a grieving husband and father who earlier lost his family to a car accident) sets out to destroy Ellen's family and soon becomes fixated on Ellen and her teenage stepdaughter Cynthia (Alana Austin) and plots to have them as replacement family, by removing the head of the house, Ellen's husband and Cynthia's father Jim Carson (John Wesley Shipp).