Route 342 is a provincial highway located in the Montérégie

Montérégie

Montérégie is an administrative region in southwest Québec. It includes the cities of Boucherville, Brossard, Granby, Longueuil, Salaberry-de-Valleyfield, Saint-Jean-sur-Richelieu, Saint-Hyacinthe, Sorel-Tracy, and Vaudreuil-Dorion....

 region of Quebec

Quebec

Quebec or is a province in east-central Canada. It is the only Canadian province with a predominantly French-speaking population and the only one whose sole official language is French at the provincial level....

 west of Montreal

Montreal

Montreal is a city in Canada. It is the largest city in the province of Quebec, the second-largest city in Canada and the seventh largest in North America...

. It runs from the Ontario

Ontario

Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....

-Quebec border in Pointe-Fortune (at the junctions of Ontario Highway 417 and Autoroute 40

Quebec Autoroute 40

Autoroute 40 is a major highway on the north shore of the St. Lawrence River in Quebec, Canada. It is one of the two main connections between Montreal and Quebec City...

 and ends in Vaudreuil-Dorion at the junction of Autoroute 20

Quebec Autoroute 20

Autoroute 20 is a major Quebec Autoroute, following the Saint Lawrence River through one of the more densely-populated parts of Canada, and is part of the Trans-Canada Highway. At , it is the longest Autoroute in Quebec...

. Its main purpose serves a service/alternate route to Autoroute 40 and has 4 interchange

Interchange (road)

In the field of road transport, an interchange is a road junction that typically uses grade separation, and one or more ramps, to permit traffic on at least one highway to pass through the junction without directly crossing any other traffic stream. It differs from a standard intersection, at which...

s with it in Pointe-Fortune, Rigaud and Hudson.

Municipalities along Route 342

• Pointe-Fortune
  Pointe-Fortune, Quebec
  Pointe-Fortune is a village in southwestern Quebec on the Ottawa River in Vaudreuil-Soulanges northwest of Montreal. The population as of the Canada 2006 Census was 507.-Population:Population trend-Language:...
  
  
• Rigaud
  Rigaud, Quebec
  Rigaud is a municipality in southwestern Quebec, Canada in the county of Vaudreuil-Soulanges at the junction of the Ottawa River and the Rigaud River. The population as of the Canada 2006 Census was 6,780...
  
  
• Hudson
  Hudson, Quebec
  Hudson, Quebec, Canada, is a town with a population of 5,088 on the south-west bank of the lower Ottawa River, in the Vaudreuil-Soulanges Regional County Municipality. Situated about west of downtown Montreal, many residents commute to work on the Island of Montreal.- Location and...
  
  
• Saint-Lazare
  Saint-Lazare, Quebec
  Saint-Lazare, also known as Saint-Lazare-de-Vaudreuil, is an off-island suburb of Montreal, in southwestern Quebec, Canada in the Regional County Municipality of Vaudreuil-Soulanges....
  
  
• Vaudreuil-Dorion

Major intersections

RCM or ET	Municipality	Km	Junction	Notes
Vaudreuil-Soulanges Vaudreuil-Soulanges Regional County Municipality, Quebec -References:...	Pointe-Fortune	0.0	Chemin Grande Montée (Prescott-Russell Prescott and Russell United Counties, Ontario The United Counties of Prescott and Russell are consolidated counties located in the Canadian province of Ontario. As of 2006, the population is 80,184. Its county seat is L'Orignal, Ontario. It was created as a result of a merger between Russell County and Prescott County in 1820...  County Road 14)	SOUTH: to East Hawkesbury, Ontario East Hawkesbury, Ontario East Hawkesbury is a township in eastern Ontario, Canada in the United Counties of Prescott and Russell. It is on the Ottawa River. Its eastern boundary is the border with the province of Quebec.-Communities:...   NORTH: to Pointe-Fortune
		0.4	(Exit 1)	40 WEST: to East Hawkesbury, Ontario
		2.3	Chemin des Outaouais	NORTH: to Pointe-Fortune
	Rigaud	8.1 8.9	(Exit 9)	40 EAST: to Montreal 40 WEST: to Pointe-Fortune
		9.9	(North end)	325 SOUTH: to Très-Saint-Rédempteur Très-Saint-Rédempteur, Quebec Très-Saint-Rédempteur is a parish municipality located in the Montérégie region of Quebec, along the border with Ontario. The population as of the Canada 2006 Census was 733. The municipality includes the town of Saint-Redempteur, and lies south of Rigaud along Route 325.-Population:Population...
		11.1 11.4	(Exit 12)	40 EAST: to Montreal 40 WEST: to Pointe-Fortune
		16.6		201 SOUTH: to Salaberry-de-Valleyfield Salaberry-de-Valleyfield, Quebec Salaberry-de-Valleyfield is a city in southwestern Quebec, in the Regional County Municipality of Beauharnois-Salaberry. The population as of the Canada 2006 Census was 39,672. Situated on an island in the Saint Lawrence River, it is bordered at its western end by Lake Saint Francis, with the Saint...   201 NORTH: to Hudson
	Hudson	21.6	Cote-Saint-Charles	SOUTH: to (Exit 22) & Saint-Lazare
	Vaudreuil-Dorion	26.4	Chemin Daoust	SOUTH: to (Exit 26-E) & Saint-Lazare
		27.3	(Exit 26-W)	40 EAST: to Montreal
		32.1		340 EAST: to Vaudreuil-Dorion 340 WEST: to Saint-Lazare
		36.4 36.5		20 WEST: to Rivière-Beaudette Rivière-Beaudette, Quebec Rivière-Beaudette is a municipality of Quebec, Canada, located in the southwest corner of the Vaudreuil-Soulanges Regional County Municipality on the border with Ontario along the Saint Lawrence River. The population as of the Canada 2006 Census was 1,720....   20 EAST: to Montreal Montreal Montreal is a city in Canada. It is the largest city in the province of Quebec, the second-largest city in Canada and the seventh largest in North America...

External links

• Transports Quebec Official Road Map
• Route 342 on Google Maps