… mechanical (including electro-mechanical) signalling, safety or traffic control equipment for railways, tramways, …
Explanatory notes
… mechanical (including electro-mechanical) signalling, safety or traffic control equipment for railways, tramways, … the heading excludes locomotives or wagon traversers which transfer railway vehicles from one track to another. These … not cover road, rail, etc., sign‑plates with no mechanical features (e.g., speed limit, direction or gradient …