Well, there's the ski bus...Anyways, one of my biggest complaints about skiing in the northeast is the lack of mass transit options. Living in NYC has spoiled me. I should look more into trains/shuttles this year and see if there are any better options since the last time I really checked it out.
I've never taken it because they don't leave from places close to where I live. I've take a mountain bike bus to Plattekill but that's much easier because I can simply RIDE to the bus and then RIDE home. But with skis and boots, whatever little hike to get from home to the bus pick up is monumental!