Quebec Autoroute 73
|Maintained by Transports Québec|
|Length:||116 km (72.1 mi)|
|Existed:||1963 – present|
|South end:||Beauceville, Quebec|
|A-740, Route 175 in Quebec City (Charlesbourg)|
|North end:||Stoneham-et-Tewkesbury, Quebec|
|Major cities:||Lévis, Quebec City, Saint-Georges, Sainte-Marie|
Autoroute 73 (or A-73, also called Autoroute Robert-Cliche south of Quebec City, Autoroute Henri-IV from the Pierre-Laporte Bridge to the Autoroute Felix-Leclerc interchange and Autoroute Laurentienne to the north) is an important Autoroute in east-central Quebec, Canada. A-73 provides an important freeway connection to areas to the north and south of Quebec City, starting in the Beauce region and (currently) ending in the Laurentian Mountains north of Quebec City. Future extensions will take it farther north and south, into the Saguenay region and possibly to near the Maine border. Including concurrencies, A-73 is currently 116 km (72.1 mi) long.
A-73 currently begins at Route du Golf in Beauceville as a 4-lane freeway. It then narrows to a two-lane freeway. It widens again to a 4-lane freeway after 28 km (17.4 mi) in Sainte-Marie. Just after crossing A-20 in Lévis, A-73 crosses the Pierre Laporte Bridge (the longest suspension bridge in Canada) into Quebec City. Since November 15, 2007, A-73 continues further south into Beauceville (Exit 61) and further extensions to Saint-Georges are under construction.
In September 2008, the Canadian Government announced that under its Building Canada infrastructure plan, it will allocate priority funding through a contribution totalling a maximum of $75 million for improvements to Autoroute Robert-Cliche which includes widening the remaining two-lane freeway to 4 lanes.
For 10 km (6.2 mi) through Quebec City, A-73 overlaps A-40, partially using A-73 exit numbers and partially using A-40 numbers. The routes split at a cloverleaf interchange, where A-73 joins the Autoroute Laurentienne (which in itself continues into downtown Quebec City, signed as Autoroute 973) and Route 175.
Heading north, A-73 continues as a multilane freeway north to Stoneham where it currently transitions into a brief two-lane freeway before converting to a 2-lane conventional highway as Route 175. However, extensions of A-73 are under construction; it will be a 4-lane freeway or at-grade expressway all the way north to Saguenay. It is unclear whether the long northern extension will be signed as A-73 or Route 175. It was completed to Stoneham by 2007 and Saguenay by 2011, except for a 3 km section just north of Stoneham that is due to be brought to freeway standards by 2013. Some of the sections just south of Saguenay were already being twinned as of early 2010. If the A-73 designation is extended to Saguenay it would likely terminate at Quebec Autoroute 70, currently the only autoroute in Quebec that does not directly connect to any other.
Due to the alignment change and the fact that both sections continue for a short distance as Autoroutes, some have suggested that the Laurentienne section of A-73 (along with A-973) be given a new designation, the most common (and most logical due to the fact it would be replacing Route 175) suggestion is Autoroute 75. It is unlikely that it will take place however.
The designation Autoroute Robert-Cliche is named after a Quebec provincial New Democratic Party leader of the early 1960s. Robert Cliche also led an inquiry into Quebec trade union rights in 1974. A foundation in his name is dedicated to preserving the heritage of the Beauce region through which A-73 travels.
Interchanges from South to North
|Future southern extension|
|Saint-Georges||43*||127e Rue Route 204||(future interchange)|
|48*||74e Rue||(future interchange)|
|Notre-Dame-des-Pins||53*||20e Rue||(future interchange)|
|Autoroute Robert-Cliche, south of Quebec City|
|Beauceville||61||Route du Golf||(current A-73 terminus)|
|Saint-Joseph-de-Beauce||72||Route Lac-Vachon Route 276|
|Saints-Anges - Vallée-Jonction Boundary||81||Route Érables Route 112)|
|Scott||101||Route Président-Kennedy Route 173|
|Saint-Lambert-de-Lauzon||115||Rue du Pont Route 218|
|Lévis||123||Avenue St-Augustin Route 175|
|Pierre Laporte Bridge|
|Quebec City||132||Boulevard Champlain, Avenue des Hôtels (unsigned Route 136)|
|133||Chemin St-Louis||(northbound only)|
|134||Autoroute 540 (Autoroute Duplessis) / Boulevard Laurier (Route 175)|
|137||Chemin des Quatre-Bourgeois|
|138||Chemin Ste-Foy||(northbound) / (southbound)|
|139||Autoroute 40 West / Ville de Québec Autoroute 440 (Autoroute Charest)|
|141||Boulevard Wilfrid-Hamel Route 138)|
|142||Autoroute 573 (Autoroute Henri-IV)|
|Autoroute Henri-IV, concurrency with Autoroute 40|
|Quebec City||308 (143*)||Boulevard de l'Ormiere Route 371|
|310 (145*)||Boulevard St-Jacques|
|311 (146*)||Autoroute 740 (Autoroute du Vallon)|
|312 (147*)||Boulevard Pierre-Bertrand Route 358)|
|Autoroute Laurentienne, north of Quebec City|
|Quebec City||148||Autoroute 40 East / Autoroute 973 south / Route 175|
|149||Boulevard de l'Atrium / Boulevard Lebourgneuf|
|150||Boulevard Louis-XIVRoute 369|
|154||Rue de la Faune, Wendake|
|156||Rue Bernier||(northbound only)|
|157||Boulevard du Lac, Lac-Beauport|
|158||Rue Jacques-Bédard||(northbound only)|
|Stoneham-et-Tewkesbury||167||Stoneham, Tewkesbury, Lac-Delage Route 371|
|169||Chemin des Frères-Wright, Chemin Crawford|
|174||Chemin Saint-Edmond, Saint-Adolphe|
|182||Chemin du Parc National|
- *Exit number not signed (or future interchange), based on kilometre post
- On the east-west portion of the A-40 concurrency, the first number is the posted A-40 exit number, followed by the unposted A-73 kilometre post in brackets.
|Wikimedia Commons has media related to: Quebec Autoroute 73|
- A-73 at Quebec Autoroutes
- A-73 extension unofficial website
- Transports Quebec Map (French)
- Building Canada infrastructure plan for A-73