This gauge is applicable to 1435mm standard gauge railways.
2 Definition
Structure gauge is a limit cross section contour vertical to the center line of track, in which other equipment or structures, except rolling stock and interactive equipment for rolling stock (car retarder, train card holder, contact wire and others), shall not intrude.
3 Application Method
3.1 Dimension of the structure gauge calculated from the rail surface either with new or used steel rail (including thickening track bed for forward replacement of heavy rail) shall meet the requirements.
