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The A-30 Autoroute was one of Québec's largest transportation infrastructure projects, providing a southern bypass of the Montréal metropolitan area that significantly improved regional mobility and reduced congestion on existing road networks. The project created a critical alternative route for passenger and commercial traffic, strengthening connections between communities while improving the movement of goods throughout the province.

ACCIONA, as part of Nouvelle Autoroute 30 (NA30), delivered the project through a public-private partnership that included the design, construction, financing, operation, and maintenance of the new highway. The project involved the construction of 42 kilometres of new four-lane highway between Vaudreuil-Dorion and Châteauguay, as well as the long-term operation and maintenance of a 74-kilometre corridor.

The project presented significant engineering challenges, including the construction of the 1,860-metre Beauharnois Bridge and the 2,552-metre Saint Lawrence Bridge under demanding winter conditions. In addition to the two major river crossings, the project included 29 bridges and overpasses, one tunnel, and numerous supporting transportation structures. Careful planning and construction management enabled the project to be completed safely and on schedule despite the complexity of the work.

Beyond improving transportation infrastructure, the A-30 Autoroute has become a critical transportation corridor for Québec, delivering lasting economic and mobility benefits across the Greater Montréal region. By creating an efficient bypass around Montréal, the project has reduced travel times for commercial vehicles by up to 40 minutes, improved road safety, strengthened regional supply chains, and enhanced the movement of people and goods. Construction and long-term operations also supported employment and economic development, ensuring the highway continues to provide lasting value to communities, businesses, and the provincial transportation network.

GENERAL PROJECT INFORMATION

  • Client: Ministère des Transports du Québec (MTQ)
  • Location: Montreal, Quevec, Canada.
  • Contract type: Design-Build-Finance-Operate-Maintain (DBFOM)
  • Contract Value: Approximately $1.5 billion
  • Project Team: Nouvelle Autoroute 30 (NA30) – ACCIONA, Iridium (ACS Group), FlatironDragados Canada, Construction DJL, Aecon
  • Project Status: Completed in 2012

PROJECT SCOPE

  • Design, construction, financing, operation and maintenance of a 42 km four-lane highway
  • Long-term operation and maintenance of a 74 km transportation corridor
  • Construction of the 1,860 m Beauharnois Bridge
  • Construction of the 2,552 m Saint Lawrence Bridge
  • Construction of 29 bridges and overpasses, and one tunnel
  • Public-Private Partnership delivery through the Nouvelle Autoroute 30 (NA30) consortium

INNOVATION & SUSTAINABILITY

The A-30 Autoroute demonstrated the benefits of the public-private partnership delivery model by integrating design, construction, financing, operation, and maintenance into a single long-term contract. This collaborative approach supported efficient project delivery while promoting long-term asset performance and lifecycle value.

The project also improved transportation sustainability by creating an alternative route for through traffic and heavy commercial vehicles, reducing congestion within the Montréal metropolitan area. Improved traffic flow helps reduce vehicle idling, lowers fuel consumption, and contributes to more efficient movement of people and goods throughout the region.

 
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