19 April 1963 - Mainz (DE) – Hauptbahnhof. Mainz still has its metre-gauge tramway network, of course, but the trams are now very different. In 1963, services were still worked by these old 4-wheelers and trailers dating from the 1920s. (Photo: Dieter Waltking) Mainz (DE) – Hauptbahnhof. Mainz still has its metre-gauge tramway network, of course, but the trams are now very different. In 1963, services were still worked by these old 4-wheelers and trailers dating from the 1920s. (Photo: Dieter Waltking) Autor: dvigar