News HS2 Ventilation Shafts and Head Houses, United Kingdom, National (uk/65) By lyndamyerAugust 29, 2021
Features Commencing the First Chilterns Tunnel Ventilation Shaft’s Excavation By lyndamyerJuly 25, 2021
Malaysia’s East Coast Rail Link – Genting Tunnel breakthrough completes excavation of ECRL’s 41 tunnels