Décarie Interchange connects with Quebec Autoroute 40
The Décarie Interchange is a highway interchange located on the island of Montreal, Quebec, Canada.Geography
It is one of the busiest interchanges in Montreal as it connects Autoroute 40 (Metropolitan Boulevard; also Trans-Canada Highway) with Autoroute 15 south (Decarie Autoroute) and also provides access to Boulevard Marcel-Laurin (Route 117) and Decarie Boulevard in the borough of Saint-Laurent. Slightly to the west of the interchange is another interchange that is the eastern terminus of Autoroute 520 (Cote-de-Liesse Expressway) which merges into Autoroute 40 with a traffic circle, and sometimes considered part of the extended Decarie Interchange region, and marks the western terminus of the Metropolitan Boulevard elevated expressway, which falls to ground level to the west of this.