The discussion over possible tolling of the Interstates has everyone singing the same song: “New capacity yes -- existing capacity no.” But that position ignores by far the most important role that tolling could play in America’s highway infrastructure: reconstructing worn-out Interstates....

Despite this author’s affinity for rail, studies indicate that shifting people from other modes to HSR has very small impact on emissions and oil use, does not do much to stimulate economic development, and can only be said to work well in very select circumstances....