List of unbuilt autoroutes of Quebec
 Autoroute 51 |
|
|---|---|
|
Joseph-Armand-Bombardier Autoroute |
|
| Existed: | 1974 – 1982 (renumbered as  A-55) |
| Length: | 9 km (6 mi) |
| South end: |
 Route 116 near Melbourne
|
| North end: |
  A-20 (TCH) in Drummondville
|
 Autoroute 430 |
|
|---|---|
|
René-Levesque Autoroute |
|
| Existed: | Renumbered as  A-15 and A-20 and  Route 132 |
| Length: | 25 KM (15.53 Mi) |
| South end: |
A-15 / Route 132 in Candiac
|
| Major junctions: |
 A-10 / A-15 / A-20 in Brossard A-20 (TCH) / A-25 (TCH) in Boucherville
|
| North end: |
A-25 (TCH) / A-20 (TCH) in Boucherville
|
 Autoroute 540 |
|
|---|---|
| Existed: | 1967 – 2012 (renumbered as  A-30) |
| Length: | 4.9 km (3 mi) |
| South end: |
A-20 in Vaudreuil-Dorion
|
| North end: |
 A-40 (TCH) in Vaudreuil-Dorion |
 Autoroute 550 |
|
|---|---|
|
Autoroute Deschênes |
|
| Existed: | Project cancelled |
| Length: | n/a |
| West end: |
 Highway 416 in Ottawa
|
| East end: |
 A-50 in Gatineau
|
 Autoroute 6 |
|
|---|---|
|
Richelieu Autoroute |
|
| Existed: | Project cancelled |
| Length: | 55 km (34 mi) |
| South end: |
A-15 in La Prairie
|
| Major junctions: |
A-30 in La Prairie A-35 in Saint-Jean-sur-Richelieu
|
| North end: |
 Route 235 in Farnham
|
.svg){kind=small} Autoroute 9 |
|
|---|---|
|
Pointe Fortune-Lachute Autoroute |
|
| Existed: | Project cancelled |
| Length: | 12 km (7 mi) |
| South end: |
A-40 (TCH) in Pointe-Fortune
|
| North end: |
A-50 in Lachute
|
 Autoroute 13 |
|
|---|---|
|
Pointe Fortune-Lachute Autoroute |
|
| Existed: | Project cancelled |
| Length: | 25 km (16 mi) |
| South end: |
  A-13 / A-640 in Boisbriand
|
| North end: |
A-50 in Mirabel
|
|
|
|
|---|---|
| Location | Montréal |
 Autoroute 18 |
|
|---|---|
|
Autoroute des Bois-Francs |
|
| Existed: | Project cancelled |
| Length: | n/a |
| West end: |
A-55 in Victoriaville
|
| East end: |
 A-65 (proposed) in Plessisville
|
 Autoroute 20 |
|
|---|---|
|
Autoroute du Souvenir |
|
| Vaudreuil-Dorion section | |
| Length: | 8 km (5 mi) |
| West end: |
A-20 / A-30 in Vaudreuil-Dorion
|
| East end: |
A-20 / Boulevard Don-Guichotte in L'Île-Perrot
|
| Downtown Montréal section | |
| Length: | 15 km (9 mi) |
| West end: |
A-15 / A-20 in Montréal
|
| East end: |
A-25 (TCH) in Montréal |
The following is a list and description of former and unbuilt Quebec autoroutes.
Joseph-Armand-Bombardier Autoroute
Autoroute 55 south of Autoroute 20 to Route 116 was co-designated Autoroute 51 until 1982. By 1983, official documents had removed the Autoroute 51 designation from its section of Autoroute 55. In the 1970s, there were plans to extend Autoroute 51 north of Autoroute 20 to a proposed easterly extension of Autoroute 30 near Yamaska.
René-Levesque Autoroute
Autoroute 430 was proposed to connect Candiac to Sainte-Julie. The section between Candiac and Boucherville was constructed but remained unsigned, instead being signed as part of part of Route 132 with a 13 km (8 mi) concurrency with Autoroute 15 and a 15 km (9 mi) concurrency with Autroute 20.
Initially, Highway 20 was to pass through Downtown Montreal along present-day Autoroute 720 (Autoroute Ville-Marie) corridor, join Autoroute 25, and cross the St. Lawrence River via the Louis-Hippolyte Lafontaine Bridge–Tunnel. Autoroute 20 was to pass temporarily on the south shore (the overlap with Route 132), and once the initial route was constructed, the south shore section would be renumbered to Autoroute 430. The Autoroute Ville-Marie extension was cancelled and Autoroute 20 is permanently routed on the south shore, resulting in the Autoroute 430 designation being cancelled. The exit numbers on Autoroute 20 were adjusted in 2012.
The northern part of Autoroute 430 between the freeway section of Route 132 in Boucherville and Autoroute 30 in Sainte-Julie was not constructed.
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