Metrolinx - Tunnelling

Canada: Tunnelling Commences on Scarborough Subway Extension

Transit Progress: Into the Crosstown LRT's West Tunnel Portal

RFPs issued for Yonge North subway extension tunnelling contract

Tunnelling begins on Eglinton Crosstown West Extension

C 757.1m Scarborough Subway Extension tunnelling contract awarded - International Railway Journal

Future of Tunnelling, New underground routes for Toronto's light rail system

RFP issued for Yonge North Subway Extension tunnelling work - Metrolinx

First look at Metrolinx's tunnel boring machine used on Scarborough Subway Extension

Metrolinx extracts Eglinton Crosstown LRT tunnel boring machines

Metrolinx - Tunnelling

Metrolinx - Gerrard Tunnel Portal

Tunnel-digging machine doing the dirty work for more than a year on Mississauga LRT line

Thousands of 'tunnel rings' ensure walls don't cave in on major LRT line in Mississauga