From Wiktionary, the free dictionary
From non- + trucker.
nontrucker (plural nontruckers)
- One who is not a trucker.
2008 June 18, Ian Urbina, “In Hard Times, the Truck Stop Offers a Place to Pray”, in New York Times[1]:Four-wheelers, as the nontruckers are called, bring their worries to Mr. Rust, too.