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Two single‑shield tunnel boring machines built by China Railway Construction Heavy Industry have been completed and are slated for deployment on Italy’s Fortezza railway tunnel. The 175‑metre, 2,600‑tonne TBMs, each with a 9.68 m excavation diameter, will excavate parallel 12.75 km drives through hard rock and fault zones. Enhanced cutterheads, permanent‑magnet motors and automated segment handling are designed for reliability, efficiency and EU environmental compliance. The tunnel will link Verona and Fortezza, expanding regional rail capacity.
The Torrens to Darlington (T2D) Alliance has lifted the first 300‑tonne tunnel boring machine (TBM) cutterhead into the Southern Precinct launch box, marking a key milestone in South Australia’s $15.4 bn infrastructure program. The launch box, built after excavating roughly 120,000 m³...
Barhale, a UK‑based civil engineering and tunnelling specialist, has launched Barhale Canada Inc in Toronto, marking its first permanent North American base. The new unit will concentrate on clean‑water resilience, stormwater management, and the firm’s Low Carbon Solutions portfolio. Early...
Assembly has started on two 14.42‑metre diameter Earth Pressure Balance TBMs for Mumbai’s Goregaon‑Mulund Link Road (GMLR) project, marking India’s largest TBM deployment. The machines, supplied by TERRATEC and managed by J.Kumar‑NCC JV for the Brihanmumbai Municipal Corporation, are being...
The Los Angeles County Metropolitan Transportation Authority approved the San Vicente‑Fairfax corridor as the Locally Preferred Alternative for the K Line Northern Extension on March 26, 2026. The 6‑7 km underground project will use twin bored tunnels and new stations built...
ACCIONA, together with Dragados and Rover, has begun excavating a 5.6 km tunnel for the Madrid Metro Line 11 extension between Comillas and Conde de Casal. The work uses Herrenknecht’s 9.4 m diameter EPBM “Mayrit”, which will install 8.34 m internal‑diameter segmental linings. The...
Swiss chemicals group Sika has taken a strategic stake in MESH AG, an ETH Zurich spin‑off that develops robot‑assisted reinforcement manufacturing, as part of a CHF 2.9 million funding round that also includes ABB Robotics and Shimizu Corporation. The investment will fund...
Four consortia have entered a competitive dialogue to design and build the underground rail station and 6 km tunnel beneath Poland’s Centralny Port Komunikacyjny (CPK) airport. The contract, split into a station‑hub lot and a western tunnel lot, targets award in...
