On: Map Shows Where 220mph Trains Would Go in the U.S.

[kristopolous]

That's because americans drag their feet. Look at what happened to ShangHai in 20 years: http://www.businessinsider.com/shanghai-1990-vs-2010-2010-6

Or Dubai in 17: http://www.ebaumsworld.com/pictures/view/187773/

Or (in the US): South (new) Las Vegas: http://earthobservatory.nasa.gov/IOTD/view.php?id=37228

Or take the 1994 LA Earthquake where the freeways were repaired 2.5 months early: http://articles.latimes.com/1994-04-06/news/mn-42778_1_santa...

Or you can even go 150 years back to when the London Sewage System was built, http://en.wikipedia.org/wiki/London_sewerage_system in a matter of a few years

Or Chongqing: http://forum.skyscraperpage.com/showthread.php?t=172962 ... their rivers glisten brown with progress (I guess)

Or take the Chinese High Speed Rail which went from 0 KM in 2007 to 9300 KM in 2012.

Or take the German Autobahn which went from 108 KM to 3736 KM between 1935 and 1940.