The Ottawa Central Railway (reporting mark OCRR) is a Canadian shortline railway subsidiary of the Canadian National Railway. The headquarters are at the Walkley Yard, 3141 Albion Road South, Ottawa, Ontario, Canada.Coordinates: 45°21 58 N 75°38 57 W / 45.36611°N 75.64917°W / 45.36611; -75.64917. The OCRR was a wholly owned subsidiary of the Quebec Railway Corporation (QCR). It consisted of former CN subdivisions, and operated between Coteau-du-Lac, Quebec, at an interchange with the CN Montreal-Toronto main line, to Ottawa and Pembroke, Ontario. The OCRR started operations on December 13, 1998, and two years later, QRC acquired the assets of Ontario L'Orignal Railway from Rail America.