With very little money, Nashville has a functioning commuter rail system: the Music City Star. Check out this excellent article at Metro Jacksonville that details how the system was built on such a modest budget. Many of the comments at the end of the article are quite illuminating as well.

Image courtesy MetroJacksonville.com

Extra: So do you want to ride this train? CART is organizing a bus voyage to see and ride the Music City Star in September. Click on the "Nashville Trip" link in the top right corner for details as they come in.