Yonge North Subway: Major C$1.4B Tunneling Contract Awarded

The Yonge North Subway will receive a C$1.4 billion tunneling contract, marking a critical step in Toronto’s transit expansion and enhancing regional connectivity for commuters in growing urban and suburban areas. This is reported by the railway transport news portal Railway Supply.

Yonge North Subway Contract Details

Infrastructure Ontario (IO) and Metrolinx awarded the North End Connectors consortium a C$1.4 billion design-build-finance contract for the tunneling phase. This decision supports a major expansion of Toronto’s subway network.

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The plan involves two four-mile tunnels from Finch Station on Toronto Transit Commission’s Line 1 to just south of Langstaff Road in Markham. Beyond this point, a one-mile surface section will connect to future infrastructure.

North End Connectors will handle tunneling, shaft construction, and the installation of tunnel boring machines. They will also oversee precast concrete liner production and emergency exit structures to ensure safety and reliability.

Yonge North Subway Economic and Technical Impact

The project will use IO’s public-private partnership framework, sharing risks between public agencies and private contractors. This approach helps control costs and maintain timelines for large-scale infrastructure builds.

The North End Connectors team includes Aecon Infrastructure Management Inc., Fomento de Construcciones y Contratas Canada Ltd., Ghella Canada Ltd., EXP Services Inc., TYPSA Inc., National Bank Financial, Aecon Concessions, and Partnerships SpA.

This collaboration combines construction expertise, engineering precision, and financial strength. It is expected to create local jobs, boost economic activity, and deliver a sustainable transit link for decades to come.

Source: www.progressiverailroading.com

FAQ

What is the Yonge North Subway project?

The Yonge North Subway is an extension of Toronto’s Line 1, adding four miles of underground track and one mile of surface-level connection to improve regional transit.

Who is building the Yonge North Subway tunnels?

The North End Connectors consortium, led by Aecon and international partners, is responsible for tunneling, engineering, and key infrastructure components.

How much is the Yonge North Subway contract worth?

The tunneling contract is valued at C$1.4 billion, awarded under a public-private partnership model to ensure efficient delivery and cost management.

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