The Cologne Central Train Station is one of the busiest railways in Europe, serving nearly 280,000 travelers a day. It was reconstructed over many years and now includes a shopping center. This huge station is located right in the heart of Cologne. A cheap car rental Cologne is the easiest, quickest way to get to the city's many attractions from the Cologne Central Train Station. The Museum Ludwig, Gross St. Martin and the Millowitsch Theater are just a few of the many sites.