Quebec Autoroute 55

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Autoroute 55 shield

Autoroute 55
Autoroute Joseph-Armand Bombardier
Autoroute de l'Énergie
Route information
Maintained by Transports Québec
Length 247.0 km[2][1] (153.5 mi)
Existed 1964[1]–present
Major junctions
South end I-91 at the Canada–United States border in Stanstead, Quebec
  A-10 in Magog
A-410 in Sherbrooke
A-10 / A-610 in Sherbrooke
A-20 (TCH) in Drummondville
A-20 (TCH) / A-955 in Sainte-Eulalie
A-30 / Route 132 in Bécancour
Route 138 in Trois-Rivières
A-40 in Trois-Rivières
North end Route 155 in Shawinigan, Quebec
Major cities Sherbrooke, Drummondville, Trois-Rivières, Shawinigan
Highway system
A-50 A-70

Autoroute 55 (also called Autoroute de l'Énergie north of the Autoroute 20 and Autoroute Joseph-Armand Bombardier south of it) is an important north-south Autoroute and the only one running in that direction in central Quebec. It is the longest north-south Autoroute, beginning as the continuation of I-91 at the Canada–United States border near Stanstead and continuing to Shawinigan, where it downgrades to Route 155. The total length of A-55 is currently 247 km (153.5 mi) long, including concurrencies with Autoroute 10, Autoroute 20 and Autoroute 40.

Route description

Autoroute 55 connects the mid-sized communities of Sherbrooke, Drummondville, Trois-Rivières and Shawinigan and the smaller communities in between. The most notable feature on A-55 is the Laviolette Bridge between Trois-Rivières and Bécancour, which is one of the longest bridges in Quebec and in Canada.

A-55 had a short "gap" between Bécancour and Drummondville which was under construction and it was completed in October 2006. The gap results from Transports Quebec's original intention of bringing A-55 southeast towards Victoriaville along what is now Autoroute 955 before shifting southwest to rejoin existing A-55 near Richmond. However, the plans changed in the 1970s and the present routing was chosen. The southern section was originally supposed to be Autoroute 51 which was intended to continue to the planned extension of Autoroute 30 in Pierreville. A-55 was signed along Route 155 (which is not an Autoroute-standard highway) until the new route was completed.

All of the southern portion of A-55 became a full four-lane freeway by the end of October 2006. The gap being filled in the northern portion will initially be a two-lane freeway for about 20 km (12.4 mi), but it is intended to ultimately be four lanes.

The designation Autoroute Joseph-Armand Bombardier is in honour of Quebec businessman Joseph-Armand Bombardier, who lived in Valcourt, near where A-55 passes and who invented the snowmobile there. His company, Bombardier Inc., started by building snowmobiles and eventually grew into a major international manufacturer of transit vehicles and aircraft.

The designation Autoroute de l'Énergie means "Energy Highway", since it provides access to the Gentilly Nuclear Generating Station in Bécancour and the hydroelectric facilities in Shawinigan and the Haut-Saint-Maurice area, although this section north of A-30 is likely to remain at its comparatively short length to Shawinigan for the foreseeable future.

Exit list

Region RCM or ET Location km mi Old exit New exit Destinations Notes
Estrie Memphrémagog Stanstead I-91 south – St. Johnsbury Continues in Vermont
Canada–United States border
Derby Line–Rock Island Border Crossing
South end of Autoroute Joseph-Armand Bombardier
Boulevard Notre-Dame (Route 247 west) At-grade intersection; traffic signals
2 Route 143 – Stanstead
Stanstead-Est 6 Montée Baie Saint-Thomas
Chemin Curtis At-grade intersection
Sainte-Catherine-de-Hatley 21 Route 141 – Ayer's Cliff, Coaticook
29 Route 108 – Sainte-Catherine-de-Hatley, North Hatley, Lennoxville
Magog 32 Rue-Saint-Patrice, Boulevard Industriel
33 Route 112 – Magog (Centre-Ville)
71[i] 34
A-10 west – Montréal A-55 branches east; south (west) end of A-10 concurrency; northbound signed as exits 34-E (east) and 34-O (west); southbound signed as 121
Memphrémagog / MagogSherbrooke boundary 72[i]
123[i] Rue Sherbrook (Route 112) to Route 249 – Magog (Centre-Ville), Saint-Denis-de-Brompton
City of Sherbrooke 41 128[i] Boulevard Bourque (Route 112)
46 133[i] Chemin Saint-Roch Nord
50 137[i] Route 220 (Boulevard Industriel), Chemin de Saint-Élie
54 140[i] A-410 east (Autoroute Jacques-O'Bready) to Route 108 (Rue King)
55 141[i] Boulevard de Monseigneur-Fortier
143[i] A-610 east (Autoroute Louis-Bilodeau) to Route 112 – Centre-Ville Sherbrooke, East Angus, Lac-Mégantic A-55 turns north; north (east) end of A-10 concurrency
58 Chemin des Écossais (Route 222) – Saint-Denis-de-Brompton, Valcourt
60 Rue Laval
Le Val-Saint-François Windsor 71 Route 249 – Windsor, Saint-Grégoire-de-Greenlay, Saint-François-Xavier-de-Brompton Signed as exits 71N (north) and 71S (south) northbound
Melbourne 85 Route 243 – Racine, Valcourt, Melbourne
88 Route 116 – Acton Vale, Richmond, Asbestos
Ulverton 98 Chemin Mooney
Centre-du-Québec Drummond L'Avenir 103 Lefebvre, L'Avenir, Ulverton, Durham-Sud
Drummondville 111 Route Caya
116 Route 139 – Wickham, Acton Vale, Granby, Saint-Nicéphore
122 Boulevard Jean-de-Brébeuf - Drummondville
125 Route 122 – Saint-Germain-de-Grantham, Drummondville
A-20 (TCH) west – Montréal A-55 branches east; south (west) end of A-20 concurrency
North end of Autoroute Joseph-Armand Bombardier
175[ii] Boulevard Lemire (Route 143 north) – Saint-Bonaventure, Saint-François-du-Lac South (west) end of Route 143 concurrency
177[ii] Route 143 south – Saint-Majorique-de-Grantham, Drummondville North (east) end of Route 143 concurrency
179[ii] Chemin du Golf
Saint-Charles-de-Drummond 181[ii] Saint-Charles-de-Drummond, Drummondville, Saint-Joachim-de-Courval
Saint-Cyrille-de-Wendover 185[ii] Route 255 – Baie-du-Febvre, Saint-Cyrille-de-Wendover, Saint-Félix-de-Kingsey
Notre-Dame-du-Bon-Conseil 191[ii] Sainte-Brigitte-des-Saults
196[ii] Route 259 – Nicolet, Sainte-Perpétue, Notre-Dame-du-Bon-Conseil, Quebec
DrummondNicolet-Yamaska boundary Notre-Dame-du-Bon-ConseilSaint-Léonard-d'Aston boundary 200[ii] Saint-Léonard-d'Aston
Nicolet-Yamaska Saint-Léonard-d'Aston 202[ii] Rang du Moulin-Rouge
Sainte-Eulalie 204[ii] Rang des Cédres, Rang des Plaines
A-955 south – Victoriaville, Saint-Albert, Warwick, Bécancour
A-20 (TCH) east to Route 161 – Quebec, Sainte-Eulalie, Saint-Valère
A-55 branches north; north (east) end of A-20 concurrency; A-955 exit 15
South end of Autoroute de l'Énergie
Saint-Wenceslas 153 9e Rang - Saint-Léonard-d'Aston, Saint-Wenceslas
Saint-Célestin (Municipality) Route 226 – Saint-Célestin (Village) At-grade intersection; traffic signals
Bécancour Bécancour Rang Prince At-grade intersection
Chemin Forest - Précieux-Sang At-grade intersection
Chemin Thibodeau At-grade intersection
173 Saint-Grégoire, Nicolet, Wôlinak
176 A-30 to Route 132 – Bécancour, Sainte-Angèle Exit 209 on A-30
Saint Lawrence River Laviolette Bridge
Mauricie City of Trois-Rivières 181 Rue Notre-Dame, Boulevard Gene-H.-Kruger (Route 138)
182 A-40 east – Trois-Rivières Centre-Ville, Quebec South end of A-40 concurrency; exit 197 on A-40
183 Boulevard Jean-XXIII
186 A-40 west / Boulevard des Forges – Montreal North end of A-40 concurrency; exit 196 on A-40
191 Boulevard Industriel, Boulevard Saint-Michel
196 Boulevard des Forges - Saint-Thomas-de-Caxton
Maskinongé Saint-Étienne-des-Grès 202 Saint-Étienne-des-Grès, Saint-Barnabé
206 Saint-Boniface
Saint-Boniface 211 Route 153 – Saint-Boniface, Shawinigan
City of Shawinigan 181 Rue Notre-Dame, Boulevard Gene-H.-Kruger (Route 138)
216 Rue Burrill
217 Rue Garnier (Route 351) – Saint-Mathieu-du-Parc
220 Boulevard Hubert-Biermans, Boulevard Vallée-du-Parc
223 5e avenue, 25e rue
226 8e rue, 4e rue - Grand-Mère, Saint-Jean des Piles
To Route 153 / 90e Avenue – Saint-Tite
Route 155 north – Grandes-Piles, La Tuque
Roundabout; A-55 northern terminus, continues north as Route 155
North end of Autoroute de l'Énergie
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  1. ^ a b c d e f g h i j A-10 exit number
  2. ^ a b c d e f g h i j k l A-20 exit number



  1. ^ a b "Répertoire des autoroutes du Québec" (in French). Transports Québec. Archived from the original on 2010-01-11. Retrieved 2008-02-23.
  2. ^ Ministère des transports, "Distances routières", page (?), Les Publications du Québec, 2005

External links

Route map:

KML is from Wikidata
  • A-55 at
  • A-55 at Quebec Autoroutes
  • Transports Quebec Map
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