Roads are hugely expensive, a fact often ignored by road proponents.
Highways are a short-term investment requiring major reconstruction about every 25 years. The reconstruction of Hwy. Infrastructure lasts 60 to 75 years vs. a highway's 25. In the Philadelphia area the Paoli Local operates on track installed in the 1920s. Transit of course has many benefits that are harder to quantify, but that still have a definite impact on our economy and pocketbooks.