Already a train system has been developed (back in which is based on magnetic levitation and causes minimal pollution. These versions of a train are already in use in several countries.
Shanghai Maglev Standard cabin. Shanghai Maglev is the fastest train in the world with a max speed of 431 kmph and it runs at Shanghai’s high speed magnetic levitation line started on 1st Jan 2004. it float on electromagnetic field by strong magnates let the train to fly over the track and will reach its top speed in just 4 minutes. It’s 30.5 km long maglev line is the only commercially operated in the world and was built by Siemens and ThyssenKrupp co.
Chinese Loop Vacuum Tech Allows Super-Maglev Trains to Reach 1,800 MPH