Socialists LOVE public transportation.
Ever notice how socialism is being niftily repackaged for America?
Live in a tiny "housing unit" above a "mixed use" "transit village". Use public (i.e government) transporatation or, if you must, buy a "Smart Car" and feel good about yourself. Ration water. Ration gas. Buy bread from the hippie at the local farmer's market. Turn your thermostat up (or down) and roast (or shiver). Use less. Do less. It's like being a Soviet with the misery replaced with a sense of smug self-satisfaction that you're "doing your part".
Strangely, people don't object to publicly-funded roads the same way they oppose publicly-funded train service.
Both are "public transportation" in that they are paid for, at least in part, by tax dollars. For some reason, though, people rail against Amtrak but don't have much of an issue with roadbuildig, which is a notorious pit of corruption and waste.