Tunnelling for first four underground stations of Nhon–Hanoi Station metro line in Hanoi completed December 10, 2025 | Asia Pacific News, News The Hanoi Metropolitan Railway Management Board (MRB) has confirmed that Tunnel Boring Machine (TBM) No. 1 has completed tunnelling between Stations S9 and S12 on the Nhon–Hanoi Station metro line. Th... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password