Revealing mistake: At the beginning of the movie, when Kowalski is chased by cops on motorcycles on a dirt road, in the shots from behind the Challenger you can see two people in the car.
Vanishing Point (1971)
1 revealing mistake - chronological order
Directed by: Richard C. Sarafian
Starring: Charlotte Rampling, Dean Jagger, Barry Newman, Cleavon Little, Victoria Medlin
Continuity mistake: In most close-up shots of the car's front end, the license plate is visible, but in many high-speed and stunt shots from further away, the plate is missing.
Hitchhiker: Patiently. That's the only way to wait for somebody.