Group of circulation or secondary tracks mostly dedicated to specific directions (lines). Functionally homogeneous set of tracks, often also characterized by various denominations of a conventional nature as well as indicative of the position and characteristic activity to which they are dedicated (eg North beam, bundle arrivals, directions, departure, compositions, reorganization, admission, deposit voids, containers and others). Also: receptiuon sidings, locomotive holding sidings, holding sidings, garage (sorting) sidings, set of sorting sidings, departure sidings
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