Tunnel Québec-Lévis diameter (drawing from Le Réseau express de la Capitale (REC))
Tunnel Québec-Lévis diameter (drawing from Le Réseau express de la Capitale (REC))Ferrovial Paris Saint-Quentin Est and Versailles-Chantiers tunnel contract
Ferrovial Paris Saint-Quentin Est and Versailles-Chantiers tunnel contract source: Ferrovial pr.CRCHI "Channel Express" TBM Promotes the Subsea Tunnel Breakthrough in Singapore
CRCHI "Channel Express" Slurry TBM Promotes the Subsea Tunnel Breakthrough in Singapore http://en.crchi.com/art/2023/11/22/art_40592_4712432.html
cover tunnel photo by: Matt Brown from London, England / CC BY
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