Rail transport system

A rail vehicle, comprising:

• a plurality of bogies, wherein the bogie has a straddle recess suitable for straddling a rail;
• and
• a vehicle body, wherein:
• the vehicle body is connected to the plurality of bogies and pulled by the plurality of bogies to travel along the rail, and the vehicle body comprises a plurality of compartments hinged sequentially along a length direction of the rail;
• the plurality of compartments forms at least one compartment group, the compartment group comprises two compartments located at two ends of the compartment group, respectively, and a middle compartment located between the two compartments located at the two ends, wherein the two compartments located at the two ends and the middle compartment are hinged sequentially, and two bogies are respectively connected to a bottom of each of the two compartments located at the two ends of the compartment group;
• in the length direction of the rail, a surface that is of a compartment at at least one end of the vehicle body and that faces away from an adjacent compartment is provided with an escape door that can be opened and closed;
• and
• an escape port and an escape cover plate are disposed on an inner floor of the compartment at the at least one end of the vehicle body, the escape cover plate collaborates with the escape door and is used to open and close the escape port, the escape cover plate opens the escape port when the escape door is opened, and the escape cover plate closes the escape port when the escape door is closed.