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This part of GB 146 specifies basic structure gauge,tunnel structure gauge,bridge structure gauge and structure gauge for bridges and tunnels for 1 435 mm standard gauge railways.This part is applicable to the design,construction,operation and maintenance of the following standard gauge railways:
—v≤160 km/h passenger-freight lines;
—v>160 km/h passenger-freight lines;
—dedicated passenger line.
This part of GB 146 specifies the gauge of rolling stock that operates on standard gauge railways of 1,435 mm.
This part is applicable to rolling stock that operates on standard gauge railways.