A MagLev for Pittsburgh?
posted in News commentary, Transportation |Why is it that certain technologies inspire such religious passion in people? A wacky proposal to spend billions of dollars building a maglev rail line from Pittsburgh Airport through downtown Pittsburgh to one of its suburbs has enough traction that the Pennsylvania House Transportation Committee recently held hearings on it.
Someone might be excused for thinking that maglev would be the solution to traffic problems around the airports in Atlanta, Dallas, or other fast-growing regions. But Pittsburgh? Which, as Wendell Cox notes, is the only major U.S. urban area that is losing population? What is the point? Evidently, the point is to spend lots of money, which seems to be the name of the game for politicians — especially in Pennsylvania.
In any case, at the request of a Pennsylvania free-market think tank, the Antiplanner offered written testimony on the proposal. This led to an editorial in the Pittsburgh Tribune and, inevitably, to maglev nuts sending me emails about what an idiot I am for not seeing how wonderful it would be if only Pittsburgh had a maglev.
Ever since I first heard of maglev, back in the 1970s, it always seemed to be the technology whose time was just about to come. The idea of levitating trains seemed like magic. The fact that they encountered no friction made it seem like they would be super energy efficient.
As it turns out, appendix B of an analysis by the Center for Clean Air Policy finds that getting the trains to levitate requires so much electricity that maglev is no more energy efficient or greenhouse friendly than automobiles today, and far less than TGV or other high-speed rail today or autos of the future. Moreover, maglev’s high cost and incompatibilities with other rail infrastructure are not offset by its slight speed advantage. So, while maglev will always have its strong adherents (who want others to pay for building it for them), I don’t think maglev will ever make sense anywhere in the world.




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