Among them was 1987’s “The Highwayman,” whose KITT analogue was a pair of tech-laden semi trucks from which smaller vehicles could deploy. Now, one of those rigs is being offered for sale.

You probably don't—and that's totally forgivable, as not many are into obscure onscreen truck trivia—but if you do, that means you're part of the rad group that watched "The Highwayman," a ...