Westinghouse Air Brake Technologies Corporation
Switch alignment detection enforcement system and method

Abstract:

A switch alignment detection and enforcement system for a switch for a railway track having a normal leg and a reverse leg, the switch having a normal position for entry on the normal leg after the switch and a reverse position for entry on the reverse leg after the switch. The system includes: a first switch monitor device configured to generate at least one signal when the switch is in the normal position; a second switch monitor device configured to generate at least one signal when the switch is in the reverse position; and a train management computer configured or programmed to implement at least one train control action based on: a signal or absence thereof from the first switch monitor device and/or the second switch monitor device; and the content of a form-based authority. A switch alignment detection and enforcement arrangement and method are also disclosed.