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Autoroute 25
Autoroute Louis-H.-La Fontaine
Route information
Maintained by Transports Québec
Length	49.0 km[2] (30.4 mi)
Existed	1967[1]–present
Major junctions
South end	A-20 (TCH) in Longueuil
	A-40 (TCH) in Montréal A-440 in Laval A-640 in Terrebonne
North end	Route 125 / Route 158 in Saint-Esprit
Location
Major cities	Boucherville, Montreal, Laval, Terrebonne, Mascouche
Highway system
Quebec provincial highways Autoroutes List Former ← A-20 A-30 →

Autoroute 25 (or A-25, also called Autoroute Louis-H.-La Fontaine in Montreal) is an Autoroute in the Lanaudière region of Quebec. It is currently 49 km (30.4 mi) long and services the direct north of Montreal's Metropolitan Area. The A-25 has one toll bridge, which is the first modern toll in MMA and one of two overall in Quebec (after being joined by the A-30 toll bridge, which opened in 2012).

A-25 begins at an interchange with Autoroute 20 and Route 132 in Longueuil and quickly enters the Louis Hippolyte Lafontaine Bridge-Tunnel into the east end of Montreal. It is the main north-south freeway in the east end of Montreal (actually northwest-southeast but perpendicular to the St. Lawrence River).

Before the Montreal-Laval Extension, a gap existed in A-25 north of the interchange with Autoroute 40. Instead it followed Boulevard Henri-Bourassa to Boulevard Pie-IX, both of which are principal urban arterial roads. Boulevard Pie-IX north of Boulevard Henri-Bourassa was used as a temporary section of Autoroute 25 across the Rivière-des-Prairies to Autoroute 440. From there, A-25 proceeded east with A-440, then continued north and east of Laval.

The designation of Autoroute Louis-H.-Lafontaine is named after Louis Hippolyte Lafontaine, a 19th-century Lower Canada leader of what was then the Province of Canada.

A-25 is also part of the Trans-Canada Highway between the A-20 and A-40 interchanges.

History

Autoroute 25 in Terrebonne

Construction history

Montreal-Laval Extension

A-25 crosses the Rivière des Prairies by way of the Olivier-Charbonneau Bridge.

Autoroute 25 has been extended under a public-private partnership. The 7.2 km section of highway joins the southern part of Autoroute 25 at Boulevard Henri-Bourassa in Montreal's East end and the northern part at Laval's Autoroute 440. The $207-million project will save some $226 million for the province since a private consortium will assume any cost overruns. A toll bridge using a RFID transponder automatic payment system spans the Rivière des Prairies and costs transponder-owning motorists $3.20 per crossing at peak hours (6-9 AM and 3-6 PM) and $2.24 per crossing the rest of the day. An additional $5.34 in administration fees is charged for motorists without transponders. The road opened on May 21, 2011. The highway has six lanes (three in each direction), while the bridge features three lanes in each direction with one reserved for public transit.

Now that the link between Montreal and Laval is complete, the temporary autoroute section connecting Boulevard Pie-IX to Autoroute 440 lost its A-25 designation. The new route designation for this section is Route 125.

The new span effectively joins the North Shore, Laval, Montreal, and the South Shore. In addition, the completion of Autoroute 30 also created under a public-private partnership, will help reduce traffic in the City of Montreal by offering a southern by-pass route.

Environmental organizations have raised concerns that the highway extension will lead to an influx of automobiles entering Montreal and increase development pressure on agricultural land in Eastern Laval.^[4][5]

Exit list

Region	Location	km[2]	mi	Exit	Destinations	Notes
Montérégie	Longueuil	0.0– 0.4	0.0– 0.25		A-20 (TCH) east to A-30 – Québec, Sorel-Tracy, Aéroport Saint-Hubert	Trans-Canada Highway / roadway continues east
				90	A-20 west / Route 132 to A-15 – Varennes, La Prairie, Aéroport P.-E.-Trudeau, USA	A-20 exit 90; Route 132 exit 89
Saint Lawrence River		0.4– 0.9	0.25– 0.56	Pont Louis-Hippolyte-La Fontaine
		1.1	0.68	1	Île Charron, Îles-de-Boucherville Park
		1.7– 3.1	1.1– 1.9	Tunnel Louis-Hippolyte-La Fontaine
Montréal	Montréal	4.1– 4.7	2.5– 2.9	4	Montréal Centre-Ville	Access via Avenue Souligny
		5.4	3.4	5	Rue Sherbrooke (Route 138) / Rue Hochelaga / Rue Notre-Dame	Signed as exits 5E (east) and 5O (west) northbound
					Rue Beaubien / Boulevard Yves-Prévost	Northbound exit is via exit 5O
		6.4	4.0	7	Boulevard Wilfrid-Pelletier / Boulevard Châteauneuf	Northbound exit
		7.1	4.4	6	Rue Beaubien / Boulevard Yves-Prévost	Southbound exit
		7.6– 8.5	4.7– 5.3	8	A-40 (TCH) – Trois-Rivières, Québec, Gatineau, Ottawa, Aéroport P.-E.-Trudeau, Aéroport Mirabel	Trans-Canada Highway follows A-40 west Signed as exits 8E (east) and 8O (west); A-40 exit 80
		9.0	5.6	9	Rue Bombardier	Northbound exit
		9.3	5.8	10	Boulevard Henri-Bourassa / Boulevard Perras / Boulevard Maurice-Duplessis	Northbound exit
		11.5	7.1	9	Boulevard Henri-Bourassa / Rue Bombardier	Southbound exit
		12.9	8.0	10	Boulevard Perras / Boulevard Maurice-Duplessis	Southbound exit
Rivière des Prairies		12.9– 14.2	8.0– 8.8	Pont Olivier-Charbonneau (tolled)
Laval		14.3	8.9	14	Montée Masson (Route 125) / Avenue Marcel Villeneuve / Boulevard Lévesque	No southbound signage for Route 125
		15.5– 17.5	9.6– 10.9	16	A-440 west (Autoroute Laval)	Eastern terminus of A-440; exit 35 on A-440
		19.8	12.3	20	Boulevard des Mille Îles
Rivière des Mille Îles		20.1– 20.3	12.5– 12.6	Pont Lepage
		20.6	12.8	21	Île Saint-Jean
		21.0– 21.2	13.0– 13.2	Pont Mathieu
Lanaudière	Terrebonne	21.5	13.4	22	Route 344 (Boulevard des Seigneurs) – Terrebonne Centre-Ville	Northbound exit and southbound entrance; signed as exits 22E (east) and 22O (west)
		22.3	13.9	23	Route 337 (Boulevard Moody / Chemin Gascon) – Terrebonne Centre-Ville
		24.4	15.2	24	Route 125 (Montée Masson) / Rue Grande-Allée	Southbound exit shares a ramp with exit 25
		25.5	15.8	25	A-640 to A-40 – Repentigny, Québec, Saint-Eustache, Mirabel Airport	Exit 42 on A-640
		26.4	16.4		Avenue de l'Esplanade	Standalone interchange that shares ramp with exit 25
	Mascouche	28.4	17.6	28	Chemin Sainte-Marie – Mascouche Centre-Ville
		29.8	18.5	30	Chemin Saint-Pierre
		34.3	21.3	34	Chemin Saint-Henri – L'Épiphanie
	Saint-Roch-de-l'Achigan	38.6	24.0	38	Rue Armand-Majeau	Northbound exit and entrance
		41.0	25.5	41	Rang du Ruisseau-des-Anges S
	Saint-Roch-Ouest	44.3	27.5	44	Route 339 / Route 125 south – Saint-Roch-de-l'Achigan	South end of Route 125 unsigned concurrency
	Saint-Esprit	47.3	29.4	46	Route 158 west – Saint-Lin-Laurentides, Saint-Jérôme	South end of Route 158 concurrency
		48.6	30.2	–	Rue Montcalm / Rang de la Rivière S	At-grade (traffic signals); A-25 northern terminus; Route 125 becomes signed
		49.4	30.7	–	Route 125 north – Sainte-Julienne, Rawdon, Saint-Donat Route 158 east – Joliette, Saint-Jacques	North end of Route 125 / Route 158 concurrency
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus       Electronic toll collection       Incomplete access       Route transition

See also

References

External links

Route map:

Wikimedia Commons has media related to Quebec Autoroute 25.

• MTQ information sheet on 2010 construction of A-25 toll bridge segment between Montreal and Laval


• A-25 at Exitlists.com


• A-25 at Quebec Autoroutes


• 
  Transports Quebec Map (in French)
  


• Autoroute 25 @ AsphaltPlanet.ca

Preceded by Autoroute 40

Trans-Canada Highway Autoroute 25

Succeeded by Autoroute 20