The Trans-Canada Highway is a transcontinental federal–provincial highway system that travels through all ten provinces of Canada, from the Pacific Ocean on the west coast to the Atlantic Ocean on the east coast. The main route spans 7,476 km (4,645 mi) across the country, one of the longest routes of its type in the world. The highway system is recognizable by its distinctive white-on-green maple leaf route markers, although there are small variations in the markers in some provinces.
Autoroute 5 is a short controlled-access Autoroute in the Outaouais region of western Quebec. It connects the central urban area of Gatineau with the recreational areas of Gatineau Park and the exurban rural areas of Chelsea and La Pêche. The southern terminus provides access to the Macdonald-Cartier Bridge, which continues into downtown Ottawa. The A-5 generally has four lanes of traffic with the exception of southernmost section across the Macdonald-Cartier Bridge where A-5 widens to six lanes.
Autoroute 20 is a Quebec Autoroute, following the Saint Lawrence River through one of the more densely populated parts of Canada, with its central section forming the main route of the Trans-Canada Highway from the A-25 interchange to the A-85 interchange. At 585 km (363.5 mi), it is the longest Autoroute in Quebec. It is one of two main links between Montreal and Quebec City; the other is the A-40.
Autoroute 40, officially known as Autoroute Félix-Leclerc outside Montreal and Metropolitan Autoroute/Autoroute Métropolitaine within Montreal, is an Autoroute on the north shore of the St. Lawrence River in the Canadian province of Quebec. It is one of the two major connections between Montreal and Quebec City, the other being Autoroute 20 on the south shore of the St. Lawrence. Autoroute 40 is currently 347 km (215.6 mi) long. Between the Ontario–Quebec boundary and the interchange with Autoroute 25, the route is signed as part of the Trans-Canada Highway.
Autoroute 15 is a highway in western Quebec, Canada. It was, until the extension of Autoroute 25 was opened in 2011, the only constructed north-south autoroute to go out of Montreal on both sides. A-15 begins at the end of Interstate 87 at the United States border at Saint-Bernard-de-Lacolle and extends via Montreal to Sainte-Agathe-des-Monts with an eventual continuation beyond Mont-Tremblant. The total length of A-15 is currently 164 km (101.9 mi), including a short concurrency with Autoroute 40 that connects the two main sections. This is one of the few autoroutes in Quebec that does not have any spinoff highways.
Autoroute 25 is an Autoroute in the Lanaudière region of Quebec. It is currently 49 km (30.4 mi) long and services the direct north of Montreal's Metropolitan Area. A-25 has one toll bridge, which is the first modern toll in the Montreal area and one of two overall in Quebec.
Autoroute 50 is an Autoroute in western Quebec, Canada. It links Canada's National Capital Region (Gatineau) and the Greater Montreal area (Mirabel).
Route 185 is part of the Trans-Canada Highway. It travels from Saint-Antonin to Saint-Louis-du-Ha! Ha!, a distance of about 41 km (25.5 mi). It connects the 2 sections of Autoroute 85 and is the former designation for all of A-85.
Route 138 is a major highway in the Canadian province of Quebec, following the entire north shore of the Saint Lawrence River past Montreal to the temporary eastern terminus in Kegashka on the Gulf of Saint Lawrence. The western terminus is in Elgin, at the border with New York State south-west of Montreal. Part of this highway is known as the Chemin du Roy, or King's Highway, which is one of the oldest highways in Canada.
Autoroute 73 is an autoroute in Quebec, Canada. Following a northwest-southeast axis perpendicular to the Saint Lawrence River, the A-73 provides an important freeway link with regions north and south of Quebec City, the capital of the province. It also intersects with Autoroute 20 and Autoroute 40 - one of only three Quebec autoroutes to do so. The A-73 begins less than 40 kilometres from the U.S. border in Quebec's Beauce region, traverses metropolitan Quebec City, and ends in the Laurentian Mountains. Civic, political, and business leaders in regions north and south of the A-73's termini have lobbied the Quebec government to extend the autoroute. While the four-laning of Route 175 to Saguenay has alleviated concerns in the north about safety and connectivity, Quebecers in the Beauce continue to advocate for extending the A-73 to the U.S. border, towards the Armstrong–Jackman Border Crossing and U.S. Route 201 within Maine.
Autoroute 55 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.
Autoroute 35 (A-35) is an Autoroute in the region of Montérégie, Quebec, Canada. Constructed in the 1960s, the A-35 links Saint-Jean-sur-Richelieu with Montreal via the A-10. The A-35 is also the primary route for traffic between Montreal and Boston, although it ends 13.4 km (8.3 mi) short of the U.S. border. South of its current terminus in Saint-Sébastien, the A-35 continues as two-lane Route 133 to the border. An extension of A-35 to meet Interstate 89 at Saint-Armand will complete a nearly 500 km (310 mi) limited-access highway link between Montreal and Boston. It had been scheduled to open in 2017, but construction was on hold and now will be completed up to the Canada-US border by 2023.
Autoroute 30 (A-30), or the Autoroute de l'Acier is an Autoroute in Quebec, Canada. Construction of the A-30 dates back to the early days of autoroute construction in the 1960s. Originally called Highway 3, the A-30 was designed to replace Route 132 as the main artery linking the communities along the South Shore of the St. Lawrence River. The A-30 was originally intended to begin at the U.S. border near Dundee and end at Saint-Pierre-les-Becquets. In the late 1970s an eight-year moratorium on new autoroute construction in favour of public transport by the Parti Québécois prevented implementation of that plan.
Route 170 is a major east/west highway on the north shore of the St. Lawrence River in Quebec, Canada, and it parallels the Saguenay River on the south side of it. The western terminus of Route 170 is in Métabetchouan–Lac-à-la-Croix at the junction of Route 169, at Lac Saint-Jean, and the eastern terminus is in Saint-Siméon, at the junction of Route 138, close to the Saint Lawrence River.
Autoroute 85 is a Quebec Autoroute and the route of the Trans-Canada Highway in the province's Bas-Saint-Laurent region, also known as Autoroute Claude-Béchard. It is currently under construction with committed Federal and Provincial funding for its completion, with an estimated completion date of 2026. Once this upgrade is completed, it will close the last gap in the nearly continuous freeway section of the Trans-Canada between Arnprior, Ontario, and Antigonish, Nova Scotia, and for an even longer interprovincial freeway route between Windsor, Ontario and Halifax, Nova Scotia. Running between Rivière-du-Loup and a junction with New Brunswick Route 2 at the Quebec-New Brunswick border, A-85 when complete will be the only controlled access highway link between the Maritime Provinces and the rest of the country. A-85 is projected to be approximately 100 km (60 mi) long when construction is complete and is intended to replace Route 185, which has been called one of the deadliest highways in Canada.
Route 155 is a north/south highway on the north shore of the Saint Lawrence River in Quebec, Canada. Its northern terminus is in Chambord at the junction of Route 169, and the southern terminus is the Piles Bridge in Shawinigan. Previously the highway continued to Autoroute 20 but that section was decommissioned in 2006 when Autoroute 55 was completed.
Route 372 is a provincial highway located in the Saguenay–Lac-Saint-Jean region in central Quebec. The highway runs exclusively inside the city of Saguenay and runs from Jonquière to La Baie. In Chicoutimi, it is also concurrent with Route 175 and through a large portion of the length it is parallel to the Saguenay River.
The Rivière Gauthier is a tributary of the Saguenay River, flowing in the territory of the city of Saguenay, in the administrative region of Saguenay–Lac-Saint-Jean, in the province of Quebec, in Canada.
The rivière aux Sables is a river of the city of Saguenay (city), in the administrative region of Saguenay-Lac-Saint-Jean, in Quebec, in Canada. This watercourse constitutes one of the two outlets of Kenogami Lake; it flows north to flow into the Saguenay River. It is the only river that crosses Jonquière.
R-170 in Saguenay 
R-372 in Saguenay
R-175 in Saguenay
