The sun has gone down. A shutter gate rises and the signal switches to green. A white high-speed Intercity Express train glides at a walking pace onto one of the four tracks in the 410-meter hall. It comes to a stop at precisely the place marked for it—in Deutsche Bahn’s most modern maintenance depot. This sparkling clean and environmentally friendly facility in the Nippes district of Cologne just started operating in June of 2018. Sonja Askew is the site’s manager of train…
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