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Major highway twinning project in Nova Scotia reaches substantial completion

September 26, 2023  By Rock to Road Staff

(Photo credit: Dexter Nova Alliance)

ANTIGONISH, NS – A $364 million project to twin and expand 38 kilometres of Nova Scotia’s Highway 104 has reached substantial completion following three years of construction.

The project added 10 kilometres of four-lane expansions and 28 kilometres of twinned highway to the corridor of Highway 104 between Sutherlands River and Antigonish. Additionally, two new interchanges, 24 new bridges and a number of wildlife corridors and fencing were installed on the highway as part of the work.

The project was consulted on by WSP and overseen by Dexter Nova Alliance (DNA), who will also be responsible for operations and maintenance on this corridor for the next 20 years. DNA made use of local teams and workers through the P3 procurement model.

“It truly was a team effort that allowed us to deliver the Highway 104 project successfully,” said Dominique Quesnel, WSP’s vice president of bridges, highways and roads for Ontario and Atlantic regions. “Our partners in DNA helped us deliver a project that our team, and Nova Scotians, should be proud of.”


Construction on the project began in May 2020.

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