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Tunnel boring machine breaks through extraction shaft on Eglinton Crosstown West extension

TORONTO — Tunnelling on the Eglinton Crosstown West Extension is one step closer to being complete with one of the two tunnel boring machines reaching the finish line and breaking through the extraction shaft. The boring machine, named Rexy, broke through the final wall at the Scarlett Road extraction shaft April 26 after two years … Continue reading Tunnel boring machine breaks through extraction shaft on Eglinton Crosstown West extension