It crosses the Rivière des Prairies via the Papineau-Leblanc Bridge, connecting the borough of Ahuntsic-Cartierville in Montreal and the Duvernay neighbourhood in Laval.
[2][3] The project also includes:[2] On September 30, 2006, at 12:30PM EDT, an overpass on Boulevard de la Concorde (Exit 5) collapsed onto the busy Autoroute 19 in Laval.
Traffic and bus re-routing as well as park-and-ride measures were being managed by Transports Quebec (see external link below).
[4][5][6] In light of the incident, the Quebec government announced a public investigation headed by former premier Pierre-Marc Johnson into the matter.
[7][8][9] The replacement overpass for Boulevard de la Concorde opened to traffic on June 13, 2007.