I think this is the salient point: > Only about 2% of visitors over the past few years have used cash, Bacher said. Practicality trumps ideology here. Particu

I think this is the salient point: > Only about 2% of visitors over the past few years have used cash, Bacher said. Practicality trumps ideology here. Particularly when you can still use cash by stopping and purchasing the pass you need elsewhere.