Originally Posted by
FlybyKnite
When all else fails, go downstairs to the airport train station and buy a ticket to Mainz HBF (30 min ride and ~5Euros). Had to do this when Manfred got stuck in a big traffic jam.
There are two train stops in Mainz, both are walking distance to the hotel. One is near Rosie's, the other (main train station I think?) is slightly closer to the hotel. I've never done the train but numerous people say it's easy.