Rosemont station (Montreal Metro) the main street of the Rosemont district. This area was developed on an area purchased by land speculators Ucal-Henri Dandurand and Herbert Holt from the Canadian Pacific Railway; it was incorporated as the Village of Rosemont in 1915, named by Dandurand in honour of his mother, née Rose Phillips. Rosemont station (Montreal Metro) Rosemont station is a Montreal Metro station in the borough of Rosemont–La Petite-Patrie in Montreal, Quebec, Canada. It is operated by the Société de transport de Montréal (STM) and serves the Orange Line. The station opened on October 14, 1966, as part of the original network of
Yellow Line (Montreal Metro) place on April 1, 1967. In the first four weeks, the station on Saint Helen's Island served only the construction workers of the Expo site. It finally opened to the public on April 28, 1967, the day after the official opening of Expo 67. In June 2008 the City of Montreal proposed a number of service improvements and Metro extensions, including projecting the Yellow Line from Berri-UQAM to McGill station to ease congestion on that part of the Green Line. In December 2011, an extension to Longueuil was announced. The former Agence métropolitaine de transport (now ARTM) published a study,