Au (Sieg) station
…by the Cologne-Minden Railway Company (Cöln-Mindener Eisenbahn-Gesellschaft). The Engers–Au railway (Oberwesterwaldbahn, Upper Westerwald Railway) to Altenkirchen was opened in May 1887, connecting to Engers. Thus, it became a railway junction with an enlarged track layout. Since 2 June 1991, Au station has been…