Carnal Highways (1979)

Two friends have decided to Carnal Highways take their lusty passions on the road, and to help them on their journey, purchase a big rig truck. They’re soon inundated with more beautiful women than they can handle, including Seka, Brook West, and Juliet Anderson (Aunt Peg), and find themselves going from one sex-filled adventure to the next, along the CARNAL HIGHWAYS.