> No. Track gauge is the nominal width, no? I'm talking about how the width changes in the curves. I'm not intimately familiar with the English terms, but I th

> No. Track gauge is the nominal width, no? I'm talking about how the width changes in the curves. I'm not intimately familiar with the English terms, but I think it still all boils down to the track gauge. That Boston article I linked to certainly talks about track gauge and gauge-widening and the like.