Wiesbaden is connected to the Frankfurt S - Bahn network .
Wiesbaden is served by three lines ( S1 , S8 and S9 ) which connect Wiesbaden with the densely populated Rhine Main Region .
Wiesbaden is connected to the Frankfurt S - Bahn network and served by three lines ( S1 , S8 and S9 ) which connect Wiesbaden with the densely populated Rhine Main Region .