Duel was released on November 13th, 1971.
Filming locations include Acton, Santa Clarita and Toluca Lake, CA.
David Mann's house - 10414 Bloomfield St. Toluca Lake, Ca. 91602
Chuck's Cafe - 12625 Sierra Hwy. Santa Clarita, Ca. 91390
(Le Chene French Cuisine)
School bus tunnel scene - Soledad Canyon Rd. Ca.
Train track scene - Soledad Canyon Rd. and Crown Valley Rd. Acton, Ca.
Sally's Snakerama Station - 9661 Sierra Hwy. Santa Clarita, Ca. 91390
(Pepper Tree Market)