Primarily, according to James McCommons’ Waiting on a Train, because the highways aren’t clogged enough yet to make politicians realize they can’t build their way out of the traffic jams and put real money into trains the way they do highways and short-hop jet travel.
At least that’s my interpretation of what he reported in his good 2009 examination of the politics of America’s passenger trains—which mainly are run late and haphazardly by Amtrak. Although there are a few regional commuters like the Heartland Flyer from Fort Worth to Oklahoma City.
Neither a fan nor a foamer, I have taken the train when it pleased me to do so (or when it pleased my parents, as when my mother who had no car took infant me home on trains full of soldiers in 1945, and my father did when I was fifteen and he didn’t want to drive) and I have fundamentally enjoyed the experience.
Even when the coaches and sleepers were old and/or dirty and the vistas less than scenic. I would just like having the option to take the train. A train that’s pretty much on time and comfortable. It’s one thing the Europeans do right.