http://www.clarkeology.comQuick query of my database, returned as xml, for use in my ajax apps 16 S-Bahn is short for Schnell-Bahn which are the suburban trains.In German cities you have the following:U-Bahn (big blue U signs) - Untererdisches Bahn so Underground, normally a small network in the city centreS-Bahn (green S signs) - Schnellbahn so ... http://www.clarkeology.com/m/16/some+advice+I+was+given+about+Hamburg