The Future 50-Years in Rail Road

Does anyone have any ideas what the future in railroad will be like in the united states? Will we have mag-lev high-speed trains, air-cushioned freight trains and bullet passenger trains? Well it is an interesting subject from a planning perspective and from a Futurist point of view. Part of what makes a civilization run efficiently is the flows of transportation and distribution of course.

Recently in an online think tank a participants stated;