The Roberval and Saguenay Railway (reporting mark RS) is a small railway company, wholly owned by Rio Tinto Alcan, a mining corporation.
It carries raw ore materials in portions of northern Quebec in eastern Canada. [1]
With about 100 miles (160 km) of track in total, it also reaches Chicoutimi, Arvida, Saint-Bruno and Alma and connects to the Canadian National Railway.