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Project Description

The entire Montréal-Boston corridor is served by autoroutes, except for the 37.9 km section of Route 133 between Saint-Jean-sur-Richelieu and the U.S. border (Saint-Armand border crossing).

Due to the lack of an autoroute in the sector, local, regional, and through traffic currently uses Route 133, resulting in various inconveniences for the population centres along the way.

In January 2009, the Ministère des Transports du Québec undertook the Autoroute 35 completion project (Autoroute de la Vallée-des -Forts) in the Montérégie region. The purpose is to complete this essential, nearly 500 km link between Montréal and Boston and turn the Autoroute 35 /Interstate 89 link into a true trade corridor between Québec and New England (Boston).

Parachèvement autoroute 35

The goals of the Autoroute 35 completion project are to:

  • Ensure users' safety;
  • Complete a major autoroute link between Québec and the United States while increasing the mobility of people and goods;
  • Improve the quality of life and safety of residents living along Route 133.

The four-lane autoroute section will cross five municipalities: Saint-Jean-sur-Richelieu; Saint-Alexandre and Saint-Sébastien, which are part of MRC du Haut-Richelieu; and Pike-River and Saint-Armand, which are part of MRC de Brome-Missisquoi.

Five interchanges will be built to link the autoroute lanes with the local road network. They will be located in the Iberville, Saint-Alexandre, Saint Sébastien, and Saint-Armand sectors (north and south).

The funding for this project is covered by an agreement between the Government of Canada and the Gouvernement du Québec.

Project Timetable

The project phases will be spread over several years and will include studies, land acquisitions, relocation of utilities, preparation of plans and specifications, and procedure to obtain government authorizations.

To make sure autoroute 35 is completed on time, some construction work will be carried out simultaneously over the next few years. The entire 37.9-km section is subdivided into four distinct segments.

Autoroute 35 - Project Timetable. Click to enlarge.

Segment 1: from the Saint-Jean-sur-Richelieu interchange (Iberville sector) to route 227

  • Approximate length: 9.8 km
  • Projected timeframe: 2009-2014

Segment 2: from route 227 in Saint-Alexandre to the route 133 interchange in Saint-Sébastien

  • Approximate length: 14.7 km
  • Projected timeframe: 2009-2014

Segment 3: from the route 133 interchange in Saint-Sébastien to the interchange located north of Saint-Armand (avenue Champlain)

  • Approximate length: 8.9 km

Segment 4: from the interchange located north of Saint-Armand (avenue Champlain) to the U.S. border

  • Approximate length: 4.5 km

Segments 3 and 4 of the project are subject to the Directive sur la gestion des projets majeurs d'infrastructure publique, a directive on the management of major public infrastructure projects applicable to any road infrastructure project of over $100 million. The timeframe will depend on the next authorizations that need to be obtained as part of the process.

Progress report on the work from 2009 to 2013 (segments 1 and 2):

  • Laying of the pavement foundations
  • Asphalt surfacing between Saint-Jean-sur-Richelieu and Saint-Sébastien
  • Construction of an interchange in Saint-Jean-sur-Richelieu (route 133 and chemin de la Grande-Ligne in the Iberville sector) and construction of an interchange with route 133, in Saint-Sébastien
  • Redevelopment of the Montée Lacroix and Montée de la Station intersection, in Saint-Alexandre

Upcoming work for 2014-2015 (segments 1 and 2):

  • Pavement marking
  • Installation of rumble strips
  • Installation of traffic signs and overhead signs
  • Development of an intersection with flashing lights at the future junction of autoroute 35 and route 133, in Saint-Sébastien
  • Construction of two roundabouts: junction of 3e Rang and chemin de la Grande-Ligne , and junction of route 133 and boulevard d'Iberville
  • Construction of a bridge allowing route 227 to pass over autoroute 35, and construction of a short autoroute section on both sides of the new bridge
  • Landscaping, including the development of windbreaks (completion of work)

The opening to traffic of the new 25-km autoroute section is scheduled for fall 2014.

Construction of two roundabouts in Saint-Jean-sur-Richelieu

Since June 2014, two roundabouts have been under construction in Saint-Jean-sur-Richelieu, along autoroute 35. The first roundabout is located at the junction of 3e Rang and chemin de la Grande-Ligne, and the second is located at the junction of route 133, boulevard d'Iberville, and the access and exit ramps of autoroute 35.

Construction of the roundabout at the junction of 3e Rang and chemin de la Grande-Ligne is completed since August 27, 2014, while the roundabout at the junction of route 133, boulevard d'Iberville and the access and exit ramps of autoroute 35 will be open in November 2014, but some work will still have to be carried out in 2015.

Traffic will be maintained at all times during the construction of the second roundabout. Adequate signage will be installed to direct road users through the detours.

To familiarize yourself with roundabouts, you can consult the section dedicated to roundabouts on the Ministère’s website.

Closure of Route 227

The MTQ must complete construction of the Route 227 (Rang des Dussault) overpass straddling the future Autoroute 35.

This work will require Route 227 (Rang des Dussault) to be closed between Chemin de la Grande-Ligne and Montée de la Station, in Saint-Alexandre, between August 27 and October 1, 2014.

The planned detour routes in the MTQ network are:

  • west side: Chemin de la Grande-Ligne and Route 133;
  • east side: Chemin de la Grande-Ligne, Route 235, Route 202 and Route 133.

Project Cost

The cost to complete Autoroute de la Vallée-des -Forts is estimated at $460 million (in 2010 dollars).

Under agreements signed in November 2007 between the Government of Canada and the Gouvernement du Québec regarding the funding of transportation infrastructure projects in Québec, part of the planned funding to complete the highway link will come from federal infrastructure investment programs: $44 million from the Canada Strategic Infrastructure Fund (CSIF) (Segments 1 and 2) and $13 million from the Border Infrastructure Fund (BIF) (Segment 4).

Route Map and Illustrations

Simulations of planned infrastructures:

Project Delivery Method

Autoroute 35 will be completed under a conventional approach to highway projects. Project planning, coordination, and follow-up will be provided by the Direction de l'Est-de-la-Montérégie of the MTQ. Performance of the work in several construction lots is entrusted to private contractors.

Environment and Sustainable Development

The Gouvernement du Québec adopted two orders-in-council on August 1, 2007. One concerns the issue of an environmental authorization certificate to the MTQ for the Autoroute 35 completion project and the other allows the MTQ to use lots or parts of lots located in agricultural zones for purposes other than agriculture.

This project was also the subject of a comprehensive study in accordance with the Canadian Environmental Assessment Act and was approved by the responsible authorities on December 11, 2008. Environmental monitoring of the Autoroute 35 completion project will be conducted at every phase, from preconstruction and construction through to autoroute infrastructure operation and maintenance.

  • Segment 1 - Simulations of the Iberville interchange (Route 133 and Chemin Grande-Ligne).
  • Segment 1 - Simulations of the Iberville interchange (Route 133 and Chemin Grande-Ligne).
  • Segment 1 - Barbotte culvert, 2011 (south of Chemin Grande-Ligne).
  • Segment 1 - Barbotte culvert, 2011 (south of Chemin Grande-Ligne).
  • Segment 2 - Autoroute 35 at route 227, in Saint-Alexandre, 2014.
  • Segment 2 - Autoroute 35 at route 227, in Saint-Alexandre, 2014.
  • Segment 2 - Simulation and photo of the Saint-Sébastien interchange, 2012.
  • Segment 3 - Simulation of Pont de la rivière aux Brochets (bridge)
  • Segment 3 - Simulation of the Saint-Armand Nord/Route 133 interchange and Chemin Champlain.

Public Hearings

Public hearings were held on the Autoroute 35 completion project between November 14 and December 15, 2005. The Bureau d'audiences publiques sur l'environnement (BAPE) was tasked with studying the project and released its report in May 2006.

To integrate certain findings and opinions issued by the BAPE, the MTQ adjusted the initial project so as to reduce its impact on the natural and agricultural environments and promote the harmonious integration of the autoroute section into the environment.

Information for citizens

Direction de l'Est-de-la-Montérégie  
201 Place Charles-Le Moyne, 5th floor
Longueuil, Québec J4K 2T5  
Telephone: 450-677-3413
Fax: 450-442-1317


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