> You're cherry-picking your own examples. It worked in Iowa City.
Indeed, it worked in Brisbane (a metro area comparable to Baltimore in the U.S.) and Lanzhou (comparable to Boston-Cambridge-Newton): congestion was reduced, the environment benefited, and usage increased in many cities that dislodged from that equilibrium and switched to a free-of-charge or symbolic-charge model.
I don't think GP's claim stands, for transit cities big or small.
Indeed, it worked in Brisbane (a metro area comparable to Baltimore in the U.S.) and Lanzhou (comparable to Boston-Cambridge-Newton): congestion was reduced, the environment benefited, and usage increased in many cities that dislodged from that equilibrium and switched to a free-of-charge or symbolic-charge model.
I don't think GP's claim stands, for transit cities big or small.