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| Autoroute 19 (Quebec) | |
|---|---|
| Country | CAN |
| Province | QC |
| Route | 19 |
| Length km | 30.6 |
| Established | 1960s |
| Direction a | South |
| Terminus a | Montreal, Québec City metropolitan area |
| Direction b | North |
| Terminus b | Laval |
| Cities | Montreal, Laval, Bois-des-Filion, Cartierville |
Autoroute 19 (Quebec) Autoroute 19 is a controlled-access highway on the Island of Montreal and in the city of Laval forming a major north–south corridor linking central Montreal with northern suburbs and regional routes. It serves as a connector between urban districts such as Ahuntsic-Cartierville and suburban municipalities like Bois-des-Filion while interfacing with provincial routes and interchanges that tie into the broader Quebec Autoroute network. The route underpins commuter flows to nodes including Jean-Talon Market, Pierre Elliott Trudeau Airport access roads, and regional transit hubs.
Autoroute 19 begins at an urban interchange near Montreal neighborhoods historically associated with Saint-Laurent and Cartierville, proceeding north across the Rivière des Prairies via a major bridge that connects to Laval. The corridor traverses mixed residential and industrial zones adjacent to landmarks such as Jarry Park, Complexe sportif Claude-Robillard, and commercial nodes serving Ville-Marie commuters. North of the river the roadway continues through suburban fabric toward Bois-des-Filion and links with provincial routes that provide access to Lanaudière and the Laurentides regions; interchanges connect to arteries serving A-15, A-440, and municipal thoroughfares near Montmorency Falls tourism corridors.
The corridor that became the autoroute was planned amid mid-20th-century infrastructure projects influenced by urban planners associated with Robert Moses-era expressway concepts and contemporaneous projects like A-15 expansions. Initial segments opened in the 1960s with construction phases coordinated by agencies including the Ministère des Transports du Québec and municipal authorities of Montreal and Laval. Subsequent upgrades were shaped by planning debates involving stakeholders such as Société de transport de Montréal and regional planners connected to Greater Montreal initiatives; legal and environmental reviews referenced precedents like the Quiet Revolution era regulatory shifts. Major reconstruction and interchange modernization in later decades referenced funding frameworks similar to those used for projects like Pont Champlain replacements and coordinated with commuter rail developments along corridors served by Exo.
The autoroute features grade-separated junctions with provincial and municipal routes that form a mesh with the wider transportation network. Notable interchanges include connections to A-15 near northern suburban spines, linkages to A-440 providing east–west access across Laval, junctions with arterial roads feeding Pierre Elliott Trudeau Airport and corridors to Sainte-Thérèse and Saint-Eustache. At-grade ramps provide movements toward municipal boulevards used by residents of Ahuntsic-Cartierville, Sainte-Rose, and Chomedey; the sequence of interchanges echoes configurations found on routes like A-40 and A-20.
Traffic volumes on the autoroute reflect substantial commuter demand linking Montreal employment centres, retail nodes such as those near Cartierville, and suburban bedroom communities in Laval and Bois-des-Filion. Peak-period flows coincide with service patterns on transit systems operated by Société de transport de Laval and Société de transport de Montréal, and modal integration with regional rail services like Exo affects congestion patterns. Freight movements also use the corridor to access industrial zones historically connected to shipping via the Port of Montreal and logistics chains tied to corridors such as A-25. Traffic management programs mirror initiatives applied to corridors like A-15 and utilize monitoring technologies akin to those deployed on the Trans-Canada Highway portions in Quebec.
Planned improvements have been proposed by provincial and municipal authorities to address capacity, safety, and multimodal integration needs; proposals reference procurement and environmental assessment practices seen in projects such as the Pont Champlain replacement and REM (Réseau express métropolitain). Potential works include interchange reconfigurations to improve links with A-440 and local arterials, lane additions supported by infrastructure financing mechanisms comparable to those used for A-25 modernization, and enhancements to bicycle and pedestrian crossings aligned with policies from Ville de Montréal and Laval mobility plans. Stakeholders including regional transit agencies, municipal councils of Montreal and Laval, and provincial ministries continue consultations modeled after consultations held for Demonstration projects in Greater Montreal, with timelines contingent on budget allocations and regulatory approvals similar to those affecting major projects like A-13 upgrades.
Category:Roads in Quebec