Wikipedia
Usage examples of "bar car".
Each Friday after work he'd take the Long Island Railroad from Penn Station to Bridgehampton, an unpleasant three-hour run made barely more tolerable by spending it in the bar car.
In the bar car he found, amid empty glasses and crushed cigarettes, a deck of cards, old-fashioned cards, flung about as though in rage.
About fifty, he had a crew cut and the face of a tired commuter riding in the bar car at the end of the day: nondescript, middle-management, owner of a station wagon with fake wood sides, a mortgaged house, lots of stress.
They adjourned from further talk of nuptials and repaired to the adult section of the bar car.