I thought high speed train was supposed to be cheaper than airplane. Or at least stay at the same price range. São Paulo - Rio is actually the 3rd most busy ai

I thought high speed train was supposed to be cheaper than airplane. Or at least stay at the same price range. São Paulo - Rio is actually the 3rd most busy airplane route in the world. With over 7.7M passengers in 2012. [1] [1] http://www.amadeus.com/web/amadeus/en_US-US/Amadeus-Home/News-and-events/News/041713-300-world-super-routes/1259071352352-Page-AMAD_DetailPpal?assetid=1319526535668&assettype=PressRelease_C http://www.amadeus.com/web/amadeus/en_US-US/Amadeus-Home/New...