| skos:altLabel | - block
- signals
- signal
- signaling system
- Signals
- detection
- Signalling
- signaling
- signalling
- signalized
- track circuit
- track circuit block
- signalled
- aspect
- cab signal system
- Block signalling
- Fixed block
- block signalling
- block system
- fixed block signalling
- fixed-block
- power signalling
- signalling control
- Signalling system
- block signal
- colour light signalling
- colour light signals
- fixed signals
- railway signal
- resignalled
- signal gantry
- signal system
- signalling equipment
- signalling system
- signalling systems
- Block Signal
- Colour light signals
- DC block system
- Multiple-Aspect Signalling
- Railroad Signal Systems
- Railway Signalling Standard
- Railway signaling
- Railway signalling#Block signalling
- Railway signalling#Fixed block
- Railway signalling#Train detection
- Resignalling
- Signalling systems
- \"blocks\"
- \"tåg ut\"
- absolute block
- approach-controlled
- block section
- colour light signal
- colour-light signalling
- electronic signalling
- fixed block
- fixed blocks
- fixed-block signalling
- lineside signalling equipment
- lock and block signalling
- lock-and-block signaling
- moving blocks
- operating rules
- rail signalling equipment
- railroad signal
- railroad signaling
- railroad wayside signal systems
- railway block signal
- railway signaling
- railway signalling
- resignalling
- safeworking systems
- semi-automatic block
- signaling systems
- signalling technology
- signalling to control trains
- speed signaling system
- speed signalling
- time interval system
- time interval working
- timetable operation
- train detection
- train orders
- wayside signals
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