Quebec Autoroute 20
Encyclopedia : Q : QU : QUE : Quebec Autoroute 20
Autoroute 20 (also called Autoroute Jean-Lesage) is a very long and important Autoroute in Quebec. It is one of the two main freeway connections between Montreal and Quebec City (the other being Autoroute 40), and provides important connections to the west and east of the two main cities as well. A-20 is currently 548 km (340 miles) long, making it the longest Autoroute in Quebec.
There are actually two distinct sections of A-20, broken by a gap of 82 km (51 miles) which is intended to be eliminated by 2015.
The first (main) section begins at the Ontario-Quebec boundary near Riviere-Beaudette as it is the continuation of Highway 401 and ends east of Riviere-du-Loup at Route 132. The first section is 517 km (321 miles) long, and is a complete 4 to 6-lane freeway, with two short exceptions:
- An at-grade railroad crossing remains near Saint-Hyacinthe; several others had existed but were abandoned or grade-separated.
- A short section through Dorion and L'Ile-Perrot remains a congested 4-lane urban arterial road. The speed limit is 50 km/h (30 mph) in Dorion and 70 km/h (45 mph) in L'Ile Perrot. It is planned to be upgraded to Autoroute standards, despite the fact that Autoroute 30 will provide a bypass around the Greater Montreal Area by 2009.
It is expected that the two segments will be joined up by 2015 according to the Bas-Saint-Laurent official plan. Once they are joined up, the length of A-20 will be 641 km (398 miles). It is unclear whether the gap will be filled by a two- or four-lane freeway. No further eastward extensions are currently planned.
Between Autoroute 25 in Longueuil and Quebec route 185 in Riviere-du-Loup, A-20 is part of the Trans-Canada Highway.
Interchanges from west to east
"|Preceded by:
QC Autoroute 25
|width="30%" align="center" rowspan=""|Succeeded by:
QC Route 185
|-
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| Autoroutes of Quebec |
| ||
|---|---|---|---|
| Principal Autoroutes Autoroute 5 | Autoroute 10 | Autoroute 13 | Autoroute 15 | Autoroute 19 | Autoroute 20 | Autoroute 25 | Autoroute 30 | Autoroute 31 | Autoroute 35 | Autoroute 40 | Autoroute 50 | Autoroute 55 | Autoroute 70 | Autoroute 73 | Autoroute 85 (Future) | |||
| Spur Autoroutes Autoroute 410 | Autoroute 440 (Laval) | Autoroute 440 (Quebec City) | Autoroute 520 | Autoroute 530 (Future) | Autoroute 540 (Vaudreuil-Dorion) | Autoroute 540 (Quebec City) | Autoroute 573 | Autoroute 640 | Autoroute 720 | Autoroute 740 | Autoroute 955 | Autoroute 973 | |||
| Routes with parts built to Autoroute standards[[Citing sources citation needed]] Route 105 | Route 112 | Route 116 | Route 117 | Route 125 | Route 131 | Route 132 | Route 133 | Route 138 | Route 148 | Route 158 | Route 173 | Route 175 | Route 185 | Route 201 | |||
| Routes | Autoroutes | |||
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