Quebec Route 342

Highway in Quebec

Major junctionsWest endChemin Grande Montée in Pointe-FortuneMajor intersections

A-40 (TCH) in Pointe-Fortune

A-40 (TCH) / R-325 in Rigaud

A-40 (TCH) / R-201 in Hudson

A-40 (TCH) in Saint-Lazare

R-340 in Vaudreuil-DorionEast end

A-20 in Vaudreuil-Dorion LocationCountryCanadaProvinceQuebecMajor citiesRigaud, Hudson, Vaudreuil-Dorion Highway system

Quebec provincial highways

Autoroutes
List
Former

←

R-341

→

R-343

Route 342 is a provincial highway located in the Montérégie region of Quebec west of Montreal. It runs from the Ontario-Quebec border in Pointe-Fortune (at the junctions of Ontario Highway 417 and Autoroute 40 and ends in Vaudreuil-Dorion at the junction of Autoroute 20. Before the construction of Autoroute 40 in 1959 (and its continuation in Ontario as Highway 417) it was the main route between Montreal, Quebec and Ottawa, Ontario (becoming Route 17 in Ontario). It serves as an alternate route to Autoroute 40 and has 4 interchanges with it in Pointe-Fortune, Rigaud and Hudson.

Municipalities along Route 342

Major intersections

RCM or ET	Municipality	Km	Junction	Notes
Western terminus of Route 342
Vaudreuil-Soulanges	Pointe-Fortune	0.0	Chemin Grande Montée (Prescott-Russell County Road 14)	SOUTH: to East Hawkesbury, Ontario and A-40 (TCH) EAST (Exit 1), Montreal NORTH: to Pointe-Fortune
		0.4	A-40 (TCH) (Exit 1)	40 WEST: to Highway 417 / TCH and East Hawkesbury, Ontario
		2.3	Chemin des Outaouais	NORTH: to Pointe-Fortune
	Rigaud	8.1 8.9	A-40 (TCH) (Exit 9)	40 EAST: to Montreal 40 WEST: to Pointe-Fortune
		9.9	R-325 (North end)	325 SOUTH: to Très-Saint-Rédempteur
		11.1 11.4	A-40 (TCH) (Exit 12)	40 EAST: to Montreal 40 WEST: to Pointe-Fortune
		16.6	R-201	201 SOUTH: to Salaberry-de-Valleyfield 201 NORTH: to Hudson
	Hudson	21.6	Cote-Saint-Charles	SOUTH: to A-40 (TCH) (Exit 22) & Saint-Lazare
	Vaudreuil-Dorion	26.4	Chemin Daoust	SOUTH: to A-40 (TCH) (Exit 26-E) & Saint-Lazare
		27.3	A-40 (TCH) (Exit 26-W)	40 EAST: to Montreal
		32.1	R-340	340 EAST: to Vaudreuil-Dorion 340 WEST: to Saint-Lazare
		36.4 36.5	A-20	20 WEST: to Rivière-Beaudette 20 EAST: to Montreal
Eastern terminus of Route 342