Incredible how quickly things can change. While Union Station (the building) hasn't changed, the surrounding buildings and the tracks behind it in "train hall" have changed immensely in the last ten years! With six tracks (1-3 and 6-8) devoted to commuter rail, two tracks (4 and 5) are reserved for non-commuter trains such as Amtrak and, as you see here, the new Ski Train.
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