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'Autoroute 50' ('Autoroute de l'Outaouais') is an Autoroute in western Quebec. Once completed, it will link the Outaouais region to the Greater Montreal area.
Currently, there are two distinct sections of A-50: one section running eastward from the central part of Gatineau to just north of Thurso, and the other section from Lachute to Mirabel just beyond an interchange (Route 117) with A-15. It is expected that the gap will be filled by 2010, as a planned two-lane freeway is under construction. Once completed, A-50 will be 159 km (99 miles) long and will provide a faster and safer alternative to Route 148.
It was originally envisioned that A-50 would be a long freeway running all the way from L'Isle-aux-Allumettes at the Ontario border all the way to Berthierville along the Route 148 and 158 corridors; however, the long extensions are unlikely to ever be constructed, especially in the western part. (The exit numbers are based on that original plan.) Construction is underway to connect Highway 148 west of the Hull sector to A-50 at the Saint-Laurent interchange through the McConnell-Laramée Axis. There are no other plans to connect the two highways as a continuous autoroute.
One short section of Route 158 around Joliette was originally signed as A-50 as well until the project was abandoned. In addition, west of the current terminus, a four-lane at-grade expressway continues as Route 148 into the Aylmer section of Gatineau; it may become part of A-50 in the future.
A-50 is a four- to six-lane freeway through Gatineau up to Buckingham, the remainder is mostly a two-lane freeway. However, there have been demands for a four-lane highway for the new segment so it can be safer. The first two segments were only built with two lanes and a recent multi-fatality accident occurred on highway 148 near Buckingham, a section of highway that A-50 would bypass.^[1]
There is some support to rename the highway to ''Autoroute Maurice-Richard'' after historic Montreal Canadiens hockey player Maurice Richard, but the commission de toponymie has chosen to wait until the section between Buckingham and Lachute is finished before making a desision^[2].

Contents

Interchanges from West to East on western segment

Interchanges from West to East on planned central section (exit numbers assumed)

Interchanges from West to East on eastern segment

References

Resources

Interchanges from West to East on western segment

Municipality	Exit Number	Intersecting Roads
Gatineau	121 ★	Chemin Eardley ( Route 148) (currently an at-grade intersection)
Gatineau	122 ★	Rue Front (at-grade intersection)
Gatineau	122 ★	Rue Broad / Chemin Klock (currently an at-grade intersection)
Gatineau	123 ★	Boulevard Wilfrid-Lavigne (currently an at-grade intersection)
Gatineau	124 ★	Rue Samuel-Eddy (at-grade intersection)
Gatineau	126 ★	Chemin Vanier (currently an at-grade intersection)
Gatineau	129 ★	Boulevard Des Grives / Boulevard du Plateau (possible future interchange or roundabout)
Gatineau	131 ★	Boulevard Saint-Raymond (currently an at-grade intersection)
Gatineau	131 ★	Promenade de la Gatineau/Gatineau Parkway (future interchange inside Gatineau Park)
Gatineau	132 ★	Promenade du Lac-Des-Fées (future interchange)
Gatineau	132 ★	Rue Labelle / Rue Laramée (at a roundabout)
Gatineau	133 ★	Rue Demontigny / Rue Dalpé / Rue Laramée (at a roundabout)
Gatineau	133 ★	Boulevard Saint-Joseph( Route 105) / Rue Montcalm (currently a roundabout)
Gatineau	134 ★	Boulevard Saint-Laurent (current A-50 terminus/westbound only)
Gatineau	135	Autoroute 5 ('Autoroute de la Gatineau') /Ottawa / Boulevard Maisonneuve (downtown Gatineau)
Gatineau	138	Rue Saint-Louis ( Route 307)
Gatineau	139	Boulevard Maloney ( Route 148) (eastbound only)
Gatineau	140	Boulevard de la Gappe
Gatineau	141	Boulevard La Verendrye (eastbound only)
Gatineau	145	Montée Paiement
Gatineau	147	Boulevard Labrosse
Gatineau	149	Boulevard Lorrain ( Route 366)
Gatineau	154	Boulevard de l'Aéroport
Gatineau	159	Rue des Laurentides
Gatineau	165	Rue Georges (eastbound only)
Gatineau	166	Avenue De Buckingham (Routes 315 & 148, transition from 4 to 2 lanes or vice-versa)
Gatineau	171	Chemin Lépine
L'Ange-Gardien	174	Chemin Doherty ( Route 309)

★
★ Exit number not signed, based on kilometre post. Part of the Boulevard McConnell-Laramée project.

Interchanges from West to East on planned central section (exit numbers assumed)

Municipality	Exit Number	Intersecting Roads
Lochaber	184	Route 317 (interchange under construction)
Plaisance	195	Montée Papineau
Papineauville	206	Route 321
Notre-Dame-de-Bon-Secours-Partie-Nord	212	Route 323
Fassett	221	Montée Fassett
Grenville-sur-la-Rouge	230	Chemin Avoca
Grenville-sur-la-Rouge	236	Chemin de la Rivière-Rouge
Grenville-sur-la-Rouge	242	Chemin Scotch ( Route 344)

Interchanges from West to East on eastern segment

Municipality	Exit Number	Intersecting Roads
Brownsburg-Chatham	255 ★	Route Canton ( Route 148) (at-grade intersection, future interchange)
Lachute	258	Avenue d'Argenteuil ( Route 327)
Lachute	260	Chemin Bethany ( Route 148)
Mirabel	272	Cote du St-Louis
Mirabel	279	Chemin St-Simon
Mirabel	285	Mirabel International Airport
Mirabel	288	Business access and rest area
Mirabel	292	Autoroute 15 (Autoroute des Laurentides)
Mirabel	293 ★	Boulevard Curé-Labelle ( Route 117) (currently an at-grade intersection)

★
★ Exit number not signed, based on kilometre post

References

1. http://www.cbc.ca/canada/ottawa/story/2007/03/14/gatineau-crash.html
2. Communiqué: L'Autoroute 50 - Commission de toponymie, retreived september 3, 2007

Resources

★ Google Maps: western section of Autoroute 50 from Gatineau to Buckingham

★ Google Maps: eastern section of Autoroute 50 from Lachute to Mirabel

★ Transports Quebec Autoroute 50 Project Description and Timeline (in French)

★ Transports Quebec Boulevard McConnell-Laramée Project Description and Timeline (in French)

★ A-50 at Exitlists.com

★ A-50 at Quebec Autoroutes