Originally Posted by
goodeats21
Again, I am open to correction by the true DB experts, but I don't believe they allow you to cross regions. The maps for each region are available in the link I posted above, toward the bottom of the page >> "Where is this ticket valid (rail maps)"
Thanks, I didn't click on that originally. D'oh. Will pay more attention next time.
ETA, turns out many years ago, I may have violated the region rules when I did the trip up the Rhine from the Frankfurt area to Bonn.
