Well, the trick is to get folks in South Dakota to pay for it.
Ya know -- as a New Yorker I get a little tired of being accused of not paying our own way. As it turns out, South Dakota is on life support from the Federal gov't -- no doubt partially financed by New Yorkers.
http://www.taxfoundation.org/news/show/62.html
NAH. NY is one of those states that never gets back near what it sends to DC. That's one reason I moved to WV. I wanted to drive on all those beautiful roads I paid for! }:^P