Patent ID: 7200471

Claim:
A system for controlling the movement of a train from a section of track not on a main line to a section of main line track, the system comprising: a control module; a positioning system connected to the control module; and a receiver connected to the control module; wherein the control module is configured to perform the steps of: preventing the train from being moved until a circulation authority to move within the section of track not on the main line has been received, the section of track not on the main line being a section of track in which the train is located; allowing the train to move within the section of track not on the main line provided that the circulation authority has been received; preventing the train from entering the section of main line track until a movement authority to move a train within the section of main line track has been received; and allowing the train to move from the section of track not on the main line to the section of main line track provided that the movement authority has been received.