The future of transportation surely won't be limited to just cars, planes, and trains. It will most likely be filled with surprises. There could be hybrid vehicles and completely new ones. Here are some links to articles on various other methods of future transportation.
RUF vehicles - In this dual-mode transportation system, RUF (Rapid, Urban, Flexible) vehicles can ride individually or in a train of other RUFs on an elevated guideway.
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