Signal box controlled crew warning system

A signal box-controlled crew warning system for warning persons of approaching rail vehicles on an operating track, and disposed in a warning sector of a working track, the signal box-controlled crew warning system comprising:

• a computer-aided monitoring system for generating warning information;
• a radio system for wireless data transmission;
• a track maintenance machine for working on the working track and having a central controller for processing the warning information and being coupled to said computer-aided monitoring system via said radio system;
• a locating system for determining a position of said track maintenance machine;
• warning means for generating acoustic, visual or haptic warning signals;
• and
• said computer-aided monitoring system being set up to define boundaries of the warning sector on a basis of a current position of said track maintenance machine such that the warning sector moves automatically with the track maintenance machine travelling along the working track and to generate the warning information for the warning sector in an automated manner as soon as another rail vehicle enters or approaches the automatically moving warning sector.