Track Spacing and Structure Limiting Dimensions（轨道间距和结构限制的维度）.pdf

D7.1.1 TRACK SPACING Issued November 2000 Track Spacing and Structure Limiting Dimensions The following data on track spacing has been derived from Track Construction Without Tears, published by Slater’s (Plasticard) Ltd and is reproduced with their permission. Space Between Adjacent Tracks (Usually measured between the outside edges of the rail heads). Prototype Model Track Centres mm imperial mm mm Standard between a pair of main lines 1829 6ft 0in 42 77 Between a pair of main lines and one or a pair of 3048 10ft 0in 70 105 additional running lines Between a main line and siding 3048 10ft 0in 70 105 Between a main line and catch siding 1829 6ft 0in 42 77 Between goods yard sidings 1829 6ft 0in 42 77 Between goods yard sidings for carriageways 7315 24ft 0in 168 203 Between coal sidings 1829 6ft 0in 42 77 Between marshalling or sorting sidings 2134 7ft 0in 49 84 Between carriage sidings 2438 8ft 0in 56 91 Additional space to allow