The headquarters were at the Walkley Yard, 3141 Albion Road South, Ottawa, Ontario, Canada.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).

The OCRR started operations on December 13, 1998, and two years later, QRC acquired the assets of Ontario L'Orignal Railway from RailAmerica.

It also had 138 km (86 mi) of running rights between Ottawa and Coteau on track owned by Via Rail.

[2] Major commodities carried by the OCRR included newsprint, salt, medium-density fibreboard, linerboard, forest products, pulp, gasoline, lumber and board, wire rod, billets and scrap.

CN also mentioned investing significant capital upgrades in the rail network for outstanding maintenance.