Latest Tunnels News

HB Tunnelling has completed the construction of a 252m long tunnel that will form a section of a new trunk water main in Glasgow.

The tunnel, which has an internal diameter of 1.5m, was constructed between Broomloan road and the north side of Bellahouston Park in the suburb of Ibrox, south…

A consortium including Ghella and Acciona has been named as preferred bidder for tunnelling works on Suburban Rail Loop East (SRL East), part of Melbourne’s planned Suburban Rail Loop (SRL).

Suburban Connect, a consortium made up of Ghella, Acciona Construction and Australasian construction company CPB Contractors is expected to deliver SRL…

One worker remains in hospital after five employed at the High Speed 2 (HS2) Northolt site were injured during the construction of the Mandeville Road vent shaft.

Work at the vent shaft site has now been paused following the incident that occurred on Saturday, 26 August, at approximately 10:30am in west…

Tideway, the company building London’s new super sewer Thames Tideway, has released its latest annual report, confirming the capital cost of the project remains £4.5bn, as reported in April.

Tideway confirmed the figure in its financial results for the year ending March 2023, detailing a year in which almost all underground…

Tunnelling has been completed for the second phase of Singapore’s  S$10bn (£5.8bn) Deep Tunnel Sewerage System (DTSS) project, which will boost the country’s water recycling capacity.

DTSS was conceived in the 1990s, as Singapore’s national water agency Pub was investigating cost-efficient and land-efficient ways to reclaim and recycle water. Prior to…

Breakthrough of a tunnel boring machine (TBM) on a 9.6km rock tunnel on the Bahçe-Nurdaği Railway in Turkey marks completion of a key twin bored tunnel on the route.

The tunnel is the second bore driven by the 8m diameter Robbins single shield TBM through challenging geology by contractor İntekar Yapı…

Contracts worth £1.3bn have been signed by National Highways for the construction of the A303 Amesbury to Berwick Down scheme which has a total estimated capital cost figure of £1.7bn.

Known as the Stonehenge Tunnel, the project will see the construction of a new 12.8km dual carriageway to replace the existing…

A joint venture led by WeBuild has completed the Isarco River underpass section of the Brenner Base Tunnel, which required technical expertise to bore beneath the waterway.

The under-construction Brenner Base Tunnel is a new rail route being driven beneath the Brenner Pass on the Italian/Austrian border at a total project…

Two tunnel boring machines (TBMs) to drive the 7.2km twin-bore High Speed 2 (HS2) tunnels between Old Oak Common and Euston will be put in place underground years before the government gives permission to proceed.

The development of HS2’s London terminus at Euston was put on pause in March when the government…

WeBuild has launched the tunnel boring machine (TBM) Aurora for a 2km tunnel as part of the new Naples to Bari railway in Italy.

The TBM boring the Grottaminarda Tunnel has a 12m diameter cutter head and is 100m long, making it the largest currently in operation in Italy. It has…