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Eglinton Crosstown West Extension - Launch Shaft: Renforth Dr. and Commerce Blvd.

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Tunnel boring machines (TBMs) are assembled and lowered into the ground at the launch shaft. Launch shaft construction is expected to begin in the summer of 2021 and the TBMs are expected to launch in spring 2022. Initially, one machine will begin and the other will follow soon after. The launch site remains active as muck is removed and the precast segment tunnel linings are stored.

Photo showing an example of a tunnel launch site

Map of the launch shaft of the Eglinton Crosstown West Extension at Renforth Drive and Commerce Boulevard, showing work zone north of Eglinton Avenue and west of Renforth Drive. It shows the station box of Renforth Station, at-grade alignment moving east to the launch shaft/portal west of Renforth Drive.

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