Quebec Autoroute 640
Autoroute 640 (or A-640) is a Quebec autoroute that runs across the North Shore Region (paralleling the Rivière des Mille-Îles) 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 54.8 km (34.1 mi) long.
Autoroute 640 | ||||
|---|---|---|---|---|
| Autoroute 640 | ||||
Map of Greater Montreal with the A-640 in red | ||||
| Route information | ||||
| Maintained by Transports Québec | ||||
| Length | 53.2 km (33.1 mi) | |||
| Existed | 1961–present | |||
| Major junctions | ||||
| West end | R-344 in Oka | |||
| A-13 in Boisbriand A-15 (TCH) in Sainte-Thérèse A-40 in Charlemagne | ||||
| East end | R-344 in Charlemagne | |||
| Location | ||||
| Country | Canada | |||
| Province | Quebec | |||
| Major cities | Terrebonne, Blainville, Saint-Eustache, Mascouche, Boisbriand | |||
| Highway system | ||||
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A-640 begins at Chemin d'Oka (Route 344) at a traffic circle near Oka National Park, and terminates at a signalized at-grade intersection with Rue Émile-Despins (Route 344) in Charlemagne.
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