A safety system to govern the use of single rail tracks to ensure only one locomotive can use the track at any one time. The rail key token station controls the issue of key tokens permitting movement.
A safety system to govern the use of single rail tracks to ensure only one locomotive can use the track at any one time. The rail key token station controls the issue of key tokens permitting movement.
A safety system to govern the use of single rail tracks to ensure only one locomotive can use the track at any one time. The rail key token station controls the issue of key tokens permitting movement.