Transrapid

Transrapid is a German monorail system using magnetic levitation. Based on a patent from 1934, planning of an actual Transrapid system started in 1969. The test facility for the system in Emsland, Germany was completed in 1987, and on 17 June 1993 the Transrapid TR-07 vehicle reached a record-breaking speed of 450 kilometers per hour. Today the maximum design speed has exceeded the 500 km/h (310 mph) mark and currently stands at about 550 km/h, with the fastest (and currently the only operational) scheduled passenger service reaching 430 km/h between Longyang Road station and Pudong International Airport in Shanghai, China. The system is developed and marketed by Transrapid International, a joint venture of the German companies Siemens AG and ThyssenKrupp.

More info at  http://en.wikipedia.org/wiki/Transrapid