Transport in Cologne have legal rights to dig in all future building sites within the medieval city limits before all heavy construction machinery. Currently the average cruising speed is 26.6 kilometers per hour (2006). The Rhine-Ruhr S-Bahn has 5 lines which cross Cologne.The S13/S19 runs 24/7 between Cologne Hbf and Cologne/Bonn Flaughafen. Cologne Ports (HGK) is one of the largest operators for inland ports in Germany. Ports include Deutz, Godorf, Mülheim and Niehl I and II. The name of Cologne's international Airport is Konrad-Adenauer-Flughafen. It is shared with the neighbouring city of Bonn (Cologne/Bonn Region). It's the sixth largest airport in Germany while
Cologne I and Neustadt-Nord. The latter area includes about half of Cologne's old and new town areas. The following table does not list parties which did not contest or gain constituency votes. Cologne I Cologne I () is one of the four electoral districts (German: "Wahlkreis") covering the city of Cologne in the German Bundestag. Part of the state of North Rhine-Westphalia, the constituency elects one representative under the mixed member proportional representation (MMP) system. Under the current constituency numbering system, it is designated as constituency 94. Covering the south eastern quarter of the city of Cologne, the constituency contains the entirety