Railway inspection system

Abstract

In one aspect of the present disclosure, a railway inspection system is shown. The system includes: an unmanned self-propelled vehicle, a sensor, a position system and a control system. The unmanned self-propelled vehicle is adapted to travel on a railway track ahead of the train and has a sensor configured to detect an adverse railway condition. The positioning system is configured to determine the position of the self-propelled vehicle. The control system in communication with the sensor and the train; wherein the control system communicates the adverse railway condition to the train.

What is claimed is: 
     
         1 . A railway inspection system for a train comprising:
 an unmanned self-propelled vehicle adapted to travel on a railway track ahead of the train and having:
 a sensor configured to detect an adverse railway condition, and; 
 a positioning system configured to determine a position of the unmanned self-propelled vehicle; 
 a control system in communication with the sensor and the train; 
   wherein the control system communicates the adverse railway condition to the train.