There was considerable talk of tram extensions inside the 2010s but besides a project to website link the Tram (recent Line four) to Erlangen and Herzogenaurach they appear to be all on keep until federal or state money are forthcoming. As traces U2 and U3 are by now entirely automatic, https://rafaelwekqu.wikigdia.com/6471993/flughafen_no_further_a_mystery