Appellhofplatz station
Appellhofplatz is an underground station and hub on the Cologne Stadtbahn lines 3, 4, 5, 16 and 18 in Cologne. More precisely, the station actually consists of two stations some 100 metres apart: "Appellhofplatz/Zeughaus" (for line 5) and "Appellhofplatz/Breite Straße" (for all other lines). The station is named after Appellhofplatz and lies in the district of Innenstadt. History and Layout. The station was opened in 1968 and 1969 and consists of a mezzanine and two platform levels with four side platforms and four rail tracks.