Rail traffic ticket automatic selling and checking system

The present invention belongs to a traffic control field, especially an automatic fare collection system in rail transit. The system includes: ticket card unit, terminal transaction equipment, station computer management system, line center computer management system, clarified center system. The ticket transaction data is generated by reading and writting the transaction information stored in ticket card unit with terminal transaction equipment, and is transfered to the clarified center gradually by rail traffic information net via the station computer management system, line center computer management system, the clarified center system processes data linkage exchange with the public traffic clarified center, and processes transaction data according with given management and operating parameters to satisfy needs of transfer and ticket settlement of rail transit net. The system has merits of high operations management efficiency, better stability, and superior adaptability and preferable economical efficiency.