Assembly comprising both a vehicle movable on rails and supporting means for the vehicle comprising the rails

An assembly, comprising

• a vehicle adapted to move on rails,
• rails mounted to support said vehicle movably thereon,
• wheels for movably mounting said vehicle on said rails,
• said vehicle comprising a pair of lateral flyers, and being internally divided into two decks,
• an upper deck for accommodating loads such as passengers, and a lower deck for accommodating heavy loads such as cargo,
• a floor of said upper deck being substantially at a level of said flyers,
• means for supporting said rails and providing an empty area between and below said rails,
• said lower deck of said vehicle and a center of gravity of the vehicle being located below a tangent plane passing under said vehicle wheels when said vehicle is substantially level upon said rails,
• wherein said flyers each longitudinally extend along said vehicle,
• said wheels are situated directly underneath each said flyer, and
• each said flyer comprises a recess on a lower surface thereof for accommodating said wheels.