Quebec Autoroute 640

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Autoroute 640 shield

Autoroute 640
Map of Greater Montreal with the A-640 in red
Route information
Maintained by Transports Québec
Length: 53.2 km[2][3] (33.1 mi)
Existed: 1961[1] – present
Major junctions
West end: Route 344 in Oka
  A-13 in Boisbriand
A-15 (TCH) in Sainte-Thérèse
A-40 in Charlemagne
East end: Route 344 in Charlemagne
Major cities: Deux-Montagnes, Saint-Eustache, Boisbriand, Sainte-Thérèse, Rosemère, Lorraine, Mascouche, Terrebonne
Highway system

Quebec provincial highways

A-610 A-720

Autoroute 640 (or A-640) is a provincial superhighway 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[citation needed]. It is currently 54.8 km (34.1 mi) long.

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.


A-640 was built over the following timeline:[citation needed]

Exit list[edit]

The entire route is located in Laurentides

Location km mi Exit Destinations Notes
Oka 0.00 0.00 Route 344 – Oka, Pointe-Calumet, Parc national d'Oka Traffic circle
Deux Montagnes 2 Saint-Joseph-du-Lac, Pointe-Calumet Westbound exit and eastbound entrance
8 Boulevard des Promenades – Deux-Montagnes, Sainte-Marthe-sur-le-Lac
Saint-Eustache 11 Route 148 (Boulevard Arthur-Sauvé) – Lachute, Saint-Eustache
14 25e Avenue
Boisbriand 16 A-13 south (Autoroute Chomedey) – Laval, Montréal, Aéroport P.-E.-Trudeau Northern terminus of A-13; exit 22 on A-13
19 Boisbriand Westbound exit is via exit 20
Sainte-Thérèse 20 A-15 (TCH) (Autoroute des Laurentides) – Blainville, Saint-Jérôme, Montréal, Aéroport Mirabel Exit 20 on A-15
Rosemère 22 Route 117 – Sainte-Thérèse, Blainville, Rosemère
Blainville 24 Montée Lesage / Chemin du-Bas-de-Sainte-Thérèse
Lorraine 26 Lorraine Access via Boulevard de Gaulle
Bois-des-Filion 28 Route 335 – Bois-des-Filion, Sainte-Anne-des-Plaines
Terrebonne 32 Avenue Urbanova Eastbound exit and entrance
35 Boulevard des Entreprises / Boulevard des Seigneurs
Mascouche 38 Route 337 (Chemin Gascon) / Chemin des Angelais – Terrebonne, Mascouche
Terrebonne 42 A-25 / Route 125 (Montée Masson) – Mascouche, Rawdon, Montréal Signed as exits 42S (south) and 42N (north); exit 25 on A-25
44 Chemin Charles-Aubert / Rue Louis-Hébert
45 Montée Dumais
Charlemagne 52 A-40 (Autoroute Félix-Leclerc) – Montréal, Québec, Aéroport P.-E.-Trudeau Signed as exits 52E (east) and 52O (west)
Route 344 – Terrebonne, Repentigny At-grade intersection
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ "Répertoire des autoroutes du Québec" (in French). Transports Québec. Retrieved 2012-01-15. 
  2. ^ Ministère des transports, "Distances routières", page (?), Les Publications du Québec, 2005
  3. ^ "Répertoire des autoroutes du Québec" (in French). Transports Québec. Retrieved 2008-02-23. 

External links[edit]

Route map: Google

KML is from Wikidata