US transit construction costs about ten times as much and takes about five to ten times as long as construction in Spain and Korea. Everyplace else falls somewhere in between, but most are much closer to the Spanish and Korean levels than ours.

http://streetsblog.net/2012/08/29/why-are-american-infrastru...

http://www.bloomberg.com/news/2012-08-26/u-s-taxpayers-are-g...

http://www.humantransit.org/2010/12/quote-of-the-week-transi...