The Great Smokey Roadblock
- Blwyddyn: 1978
- Gwlad: United States of America
- Genre: Action, Comedy
- Stiwdio: Cinema Arts Associated, Mar Vista Productions, Western Film Productions
- Allweddair: hitchhiker, truck driver, road movie
- Cyfarwyddwr: John Leone
- Cast: Henry Fonda, Eileen Brennan, Austin Pendleton, Robert Englund, Dub Taylor, John Byner