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Line 1: {{refimprove\|date=January 2009}}{{Sidebar track gauge}}{{Further\|List of rail gauges}} The vast majority of North American railroads are [[standard gauge]] ({{RailGauge\|sgussg\|disp=/}}). Exceptions include some streetcar, subway and rapid transit systems, mining and tunneling operations, and some narrow gauge lines particularly in the west, e.g. the isolated [[White Pass and Yukon Route]] system, and the former [[Newfoundland Railway]]. As well as the usual reasons for having one [[track gauge\|gauge]] i.e. being able to operate through trains without transfer arrangements, the North American continent-wide system of freight car interchange with rolling stock having the same standard gauge, couplings, and air brakes meant that individual companies could minimise their rolling stock requirements by borrowing from other companies. Peak demand periods varied over the continent, with seasonal requirements e.g. for grain shipments occurring at different times in different areas so that freight cars could be redistributed to cover peaks as required.

Track gauge in North America: Difference between revisions