Rangiersignale
Rangiersignale are a class of railway signals used to regulate shunting movements within marshalling yards, sidings and industrial tracks. They are separate from mainline signals and provide instructions specifically for movements that involve coupling, uncoupling, and rearranging railcars rather than running trains through a block.
Rangiersignale may be mechanical signals with semaphore arms or electric light signals. Typical aspects include stop
They are commonly controlled by yard interlockings or by local signal boxes, and their clearance is coordinated
Historically, the development of Rangiersignale accompanied the expansion of freight and passenger services requiring flexible yard