Québec Route 340

Route 340
Route 340
Route information
	Maintained by Transports Québec
Length	40.2 km (25.0 mi)
Major junctions
West end	County Road 18 at South Glengarry, Ontario
	R-325 in Saint-Telesphore ; R-201 in Saint-Clet ; R-342 in Vaudreuil-Dorion ; A-30 in Vaudreuil-Dorion
East end	A-20 in Vaudreuil-Dorion
Location
Country	Canada
Province	Québec
Highway system
	Quebec provincial highways; Autoroutes; List; Former;

Route 340 from Ontario toward Saint-Télesphore

Route 340 is a provincial highway situated in the Montérégie region of Quebec west of Montreal. It runs for just over 40 kilometers from the Ontario-Quebec border in Saint-Télesphore (as a continuation of Stormont, Dundas and Glengarry County Road 18) and ends in Vaudreuil-Dorion at the junction of Autoroute 20.

Municipalities along Route 340

Signage at the eastern end of Route 340

RCM or ET	Municipality	Km	Junction	Notes
Western terminus of Route 340
Vaudreuil-Soulanges	Sainte-Télesphore	0.0	Ontario County Road 18	WEST: to South Glengarry, Ontario
	Sainte-Télesphore	2.8	R-325	325 SOUTH: to Rivière-Beaudette 325 NORTH: to Sainte-Justine-de-Newton
	Saint-Polycarpe	12.1	Chemin Sainte-Catherine	SOUTH: to Saint-Zotique
	Saint-Polycarpe	15.0	Chemin Ranger	SOUTH: to Les Coteaux
	Saint-Clet	21.0	R-201	201 SOUTH: to Coteau-du-Lac 201 NORTH: to Hudson
	Vaudreuil-Dorion	34.3	R-342	342 SOUTH: to Vaudreuil-Dorion 342 NORTH: to Hudson
		34.8 35.2	A-30	30 SOUTH: to A-20 30 NORTH: to A-40 (TCH)
		40.1 40.2	A-20	20 WEST: to Les Cèdres 20 EAST: to Pincourt
Eastern terminus of Route 340

^ Ministère des transports, "Distances routières", page 98, Les Publications du Québec, 2005