ABSTRACT
REM de l’Est is a new mega project in Montreal including 32 kilometers of automated light rail and 23 stations with a cost of about $10 billion CAD. The project includes 8.4 kilometers of 9.7 m excavated diameter single bore double track TBM tunnel and 7 underground stations. A hybrid TBM will be used to bore though the limestone and shale rock and alluvium soil of downtown Montreal. One station will be built in cavern and the 6 others using the cut and cover method. REM de l’Est Project is currently under design and will be issued for the design build bid during 2022.
