He ended up living with that bunch in The Hills Have Eyes.

It seems there is a certain confusion in this thread whether the "he" you're referring to is David Mann or the mysterious truck driver. My interpretation of your question is you mean Mann. That's easy; he'd walk back to the road (occasionally other vehicles do get by, after all) and asks for help.

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Well after watching the film again after some 38 years the last time I saw it , indeed he could have survived as the Drivers door on the truck is clearly open just prior to the truck and car going over the cliff, why would that be ? As discussed was that intentional or Not to make the film goer think ?? Or a mistake by the stunt driver who jumped prior to the finale a clever aspect to the film, I know there are various stories as to why and did he die ?
Of course we never know and why spoil it, that is what makes a movie and us debate such things.

46 years later and we haven't heard a peep. I think he probably died. And if he didnt die in the crash, old age would have done it.

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Makes you think. Oh who cares. What a fantastic entertaining film from Mr Spielberg. Phew!

I did wonder how long Mann was prepared to just sit there. I thought that he might be making sure that the truck driver didn't emerge from the wreckage.

That redneck trucker was very articulate . "Whaaa?"

Just don't start knocking sandwiches outta people's hands once you get there. Diners don't like that, especially redneck truck drivers.

Chuck's cafe probably isn't that far - I'm sure he'd be able to get a cheese sandwich or something.Swiss cheese on rye.R, Y, E.
He's going in to your room, it's
you
he wantsoffer him yourself!!

What about getting back to the road and hitchhiking?