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美国铁道工程协会通常不涉及旅游铁道线路,但值得注意的是,有时这些铁路曾使一些历史上重要的铁道工程成就获得复苏,并使它们重新投入运营。一个例子就是位于科罗拉多
The American Association of Railroad Construction usually does not deal with tourist rail lines, but it is worth noting that sometimes these railways have revived some of the most important railroad projects of the past and brought them back into operation. An example is located in Colorado