> Launch Shaft: Renforth Dr. and Commerce Blvd. | Metrolinx Engage

Launch Shaft: Renforth Dr. and Commerce Blvd.

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The launch shaft is where Rexy and Renny, the two tunnel boring machines (TBMs) digging the Eglinton Crosstown West Extension began their journey. West End Connectors Construction began work on the launch shaft in July 2021 and the first pieces of the TBMs arrived on site in late 2021. Tunnelling began April 2022, with Renny being the first TBM to start tunnelling and Rexy expected to follow early summer 2022. Together the two TBMs will dig the over six kilometre tunnel before they are extracted just west of Scarlett Road.  

The launch site remains active throughout tunnelling. 

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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