Quebec Autoroute 640
Autoroute 640 is a provincial superhighway that runs across the North Shore Region from Route 344 in the Oka area to Route 138, where it ends as a four-lane expressway in Charlemagne. The road was designed to be northern bypass of the city of Montréal and was originally intended to cross the Lake of Two Mountains to connect to Autoroute 40 near Vaudreuil. It is currently long.
A-640 begins at Chemin d'Oka at a traffic circle near Oka National Park, and terminates at a signalized at-grade intersection with Rue Émile-Despins in Charlemagne.History
A-640 was built over the following timeline:
- From Boul. des Promenades to A-15/TCH: 1961
- From Route 337 to A-40: 1972
- From A-15/TCH to Route 337: 1974
- From Route Route 344 to Boul. des Promenades: 1976
