The gas station where tripp has to repair the truck is the same one used in Rob Zombies house of 1000 corpses, for captain spaldings haunt
The dog in the opening scene was played by Bix, a dog who was partially paralysed.
Scott Whyte (Trip) broke his arm while practicing his skateboarding for a scene. According to the audio commentary or the DVD, this lead to the decision to have him lose an arm later in the film.