Description: The series takes place on the Supertrain, a nuclear-powered high speed train that is equipped with amenities more appropriate to a cruise ship. It has luxuries such as a swimming pool, shopping centers, a gym, a library, a medical center, and a discotheque. It is so big it has to run on very broad gauge track. Though it had a rated top speed of 250 mph, and cruised at 190 mph.