Vanishing Point (1971)
For some time in the late '60s and early '70s, it was cool to make depressing road movies. It started with Michelangelo Antonioni's
L'Aventura, then became a thing in America with
Easy Rider,
Two Lane Blacktop, and
The Last Detail. The concept being: A country tries to find itself on the road, only to be turned back by those in power.
Vanishing Point is the ultimate example of this kind of movie--a two-hour car chase in which a man searches for freedom, only to find sublimation and subjection.