For the nighttime chase scenes, the headlights of the trucks and cars were replaced by aircraft landing lights for extra brightness. This helped to bring down the exposure enough to keep the sky consistently black even at early dawn.
The speaking voice for 'Rusty Nail' was provided by Ted Levine, most famous for portraying 'Buffalo Bill' in The Silence of the Lambs (1991).
Leelee Sobieski ended up filming two different romantic interludes, one with Steve Zahn and one with Paul Walker during the shooting and re-shooting of the film. Both scenes ended up getting cut.
Although Ted Levine provides Rusty Nail's voice, he actually wasn't brought in until post-production, and, physically, Rusty Nail is played by the hulking actor Matthew Kimbrough.
Three different versions of the ending were shot.