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{{legend}}
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The '''A-20''', known as ''Autoroute 20'' and officially named ''Autoroute Jean-Lesage'' is one of the oldest highway infrastructure of [[Canada]]. You might indeed notice it when transiting through this major way that connects [[Montreal]] to [[Quebec city]] by the south shore of the St-Lawrence river further West becoming the [[H-401 (Ontario)|H-401]] in [[Ontario]] towards [[Toronto]] and stretching further East into Gaspesia and nearly connecting [[New Brunswick]] which can be reached by continuing on the '''Route 185''' and becomes the [[H-2 (NB)|Route 2]] in [[New Brunswick]].
The A-20 is part of the [[Transcanadian Highway]] in nearly all of its length with exception of the part West of [[Montreal]].
=== Section West - [[Ontario]] border and [[Montreal Metropolitan]] ===
====In [[Monteregie]] and [[Montreal Metropolitan]]====
While in [[Montreal]] and leaving the [[Montreal Metropolitan]] area, the A-20 connects on [[Montreal Metropolitan|Montreal]] Island with the [[A-40 (Quebec)|A-40]] by taking either the [[A-13 (Quebec)|A-13]] - [[A-15 (Quebec)|A-15]] or [[A-25 (Quebec)|A-25]] northwards for a few km. Around the International Airport of [[Dorval Airport|Dorval]], the ''Autoroute Cote de Liesse'' (A-520) act as a connector between the A-20, the international airport and the [[A-40 (Quebec)|A-40]].
It also crosses the path of other major highways such as the [[A-10 (Quebec)|A-10]] towards the [[Estrie|Eastern Townships]] and the [[A-30 (Quebec)|A-30]] which act as a By-Pass to the Southern [[Montreal Metropolitan]] ''(In Construction)''. The A-20 crosses officially the St-Lawrence onto [[Montreal]] on the 'Pont Champlain' together with the A-10 and the A-15. Although the 'Lafontaine Tunnel' marks the end of the [[A-25 (Quebec)|A-25]] to become the A-20 Westbound and the 'Pont Jacques-Cartier' as well as the 'Pont Victoria' goes direct from the A-20 on the St-Lawrence South Shore to downtown [[Montreal]].
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*Begins in Rivière-Beaudette, border of [[Ontario]]**Continue westward as [[H-401 (Ontario)|H-410]] towards [[Toronto]]**''As Remembrance Highway/Autoroute du Souvenir''
*'''(2) {{Ramp}} ''' (Route 325 to Route 338 – Riviere-Beaudette, Saint-Télesphore)
*'''(6) {{Ramp}} ''' (Chemin Saint-Thomas)
=== Section Centre - [[Montreal Metropolitan]] to [[Quebec city|Quebec City Area]] ===
====In [[Montérégie]], [[Centre-du-Québec]] and [[Chaudière-Appalaches]]====
From [[Montreal Metropolitan]] South shore, the A-20 heads eastwards crossing many localities of this vast farmland region. It reaches the junction of the [[A-55 (Quebec)|A-55]] (coming from the South ([[Sherbrooke]]) at Junction 173) just west of [[Drummondville]]. The A-55 and A-20 overlap on the same infrastructure for about 30km before it heads back north towards [[Trois-Rivières]] from Junction 210.
*'''(98) {{junction}} Junction [[A-30 (Quebec)|A-30]]''' (A-30 to A-10 – St-Hubert Airport, Brossard, [[Sorel|Sorel-Tracy]], Châteauguay, [[United States|USA]])
=== Section East - [[Quebec city|Quebec City Area]] towards [[New Brunswick]] ===
====In [[Chaudière-Appalaches]] and [[Bas-St-Laurent]]====
The A-20 does not get into [[Quebec city]] but instead goes along its St-Lawrence southern shore sister city [[Levis]]. Just west in the vicnity of [[Levis]] there are major off the motorway services with restaurants at Exit 311 and Exit 314. Note that Exit 312 is the motorway junction with the [[A-73 (Quebec)|A-73]] to cross the St-Lawrence north into [[Quebec city]] ''(through Pierre-Laporte bridge or alternatively through Quebec bridge)'' or south towards [[Maine]]. Bear in mind that Exit 314 also leads to 'Quebec Bridge' which can be crossed by foot.
Further east, the A-20 continues just south of [[Levis]] eastwards in direction of [[New Brunswick]] and [[Rimouski]].
*'''(312) {{junction}} [[A-73 (Quebec)|A-73]]''' ([[Quebec city]])
*'''(436) {{Ramp}} ''' (Route 132 (Avenue Industrielle) – La Pocatière)
*'''(439) {{Ramp}} ''' (La Pocatière, Saint-Onésime)
*'''(444) {{Ramp}} ''' (Route 132 (Avenue de la Grande-Anse) – La Pocatière, Rivière-Ouelle)*'''(450) {{Ramp}} ''' (Rivière-Ouelle, Saint-Pacôme, Saint-Gabriel)*'''(456) {{Ramp}} ''' (Route 287 – Saint-Denis, Saint-Philippe-de-Néri, Mont-Carmel)*'''(465) {{Ramp}} ''' (Kamouraska, Saint-Pascal, Saint-Bruno)*'''(474) {{Ramp}} ''' (Saint-Germain, Sainte-Hélène)*'''(480) {{Ramp}} ''' (Saint-André, Saint-Joseph)*'''(488) {{Ramp}} ''' (Route 289 to Route 230 – Saint-Alexandre, Pohénégamook)*'''(496) {{Ramp}} ''' (Notre-Dame-du-Portage)
*'''(499) {{Ramp}}{{junction}} ''' (Junction Route 185/A-85)towards [[New Brunswick]]'''**Change south towards [[New Brunswick]]**End of A-20 as [[Transcanadian highway]]*'''(503) {{Ramp}} ''' (Route 132 (Rue Fraser) – Rivière-du-Loup)*'''(507) {{Ramp}} ''' (Route 132 (Boulevard Cartier) Rivière-du-Loup)*'''(514) {{Ramp}} ''' (Cacouna, Saint-Arsène)
*'''{{Ramp}}{{junction}} ''' (Route 132)
**End of A-20/merge and overlap with Route 132
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Gap
''Proposed - projected''
*'''(527) {{Ramp}} ''' (Route des Coteau-des-Érables)''(In construction)''*'''(531) {{Ramp}} ''' (Route de St-Paul) ''(In construction)''*'''(539) {{Ramp}} ''' (Route de la Station) ''(In construction)''*'''(548) {{Ramp}} ''' (Route 293) ''(In construction)''
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Gap
*'''{{Ramp}}{{junction}} ''' (Route 132)
**Beginning of A-20/split from Route 132
*'''(599)Crossroad''' (Montee Brilliant/Route 132)*'''(606) {{Ramp}} ''' (Rue de Lausanne)*'''(610) {{Ramp}} ''' (Chemin Ste-Odile (Route 232))*'''(614) {{Ramp}} ''' (Montée Industrielle)*'''(621) {{Ramp}} ''' (Avenue Père-Nouvel / Rue de la Gare)*'''(630) Crossroad''' (Route 298)**End of A-20/merge with Route 298*'''(641) {{Ramp}} ''' (Route Jacques-Cartier / Boulevard Gaboury (Route 132)) ''(In construction)''''Continue Eastward as Route 132''
==Hitching the A-85/Route 185==
