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…
Latest Tunnels News
HS2 | Euston tunnel TBMs to be buried under Old Oak Common until government green light
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…
Largest TBM in Italy launched to bore 2km tunnel on new Bari to Naples line
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…
Sydney Metro report highlights ‘significant technical and budget risks’
A government report has revealed Australia’s biggest infrastructure project, the Sydney Metro scheme, is currently facing “significant technical and budget risks”.
The Sydney Metro project involves three different schemes, Sydney Metro West, City and Southwest and Western Sydney Airport. Due to procurement issues with the Sydney Metro West scheme, the overall…
Tideway | 4.5km Greenwich connection tunnel completed
The Thames Tideway Tunnel has hit another milestone with the completion of the 4.5km Greenwich connection tunnel between Greenwich and Bermondsey.
This section of tunnel stretches from Greenwich Pumping Station to Chambers Wharf, where it connects with the main super sewer. It will tackle sewage overflow into the Deptford Creek and…
New Zealand reveals £21bn plan to build new road and rail tunnels across Auckland Harbour
A NZ$45bn (£21.5bn) plan to bore two road tunnels and one light rail tunnel across Auckland’s Waitemata Harbour has been revealed by the prime minister of New Zealand.
Two new 5 to 6km long three lane road tunnels, one in each direction, between the central Auckland motorway junction and Akoranga on…
HS2 TBMs complete three quarters of Chiltern tunnels
The two tunnel boring machines (TBMs) delivering the longest tunnels on the High Speed 2 (HS2) railway have passed the three quarters mark.
TBMs Florence and Cecilia have completed over 12km of the 16km Chiltern twin-bore tunnels, passing the fourth of five ventilation and emergency access shafts, 800m from the village…
‘Extremely thorough’ investigation underway following incident on Brisbane’s Cross River Rail project
Cross River Rail in Australia has issued a safety investigation update following a fall at the site of one of the project’s planned stations.
Cross River Rail is 10.2km long railway that will run between the inner southern suburb of Dutton Park and the inner north eastern suburb of Bowen Hills…
Tunnelling completed on Silvertown Tunnel’s second bore
The main tunnelling works for Transport for London’s (TfL’s) Silvertown Tunnel are complete, with the second of two bores beneath the River Thames now fully excavated.
The 1.4km Silvertown road tunnel will link Silvertown in Newham to the north of the River Thames with the Greenwich Peninsula, close to the O2…
Implenia JV selected to deliver Swiss ‘bottleneck’ relief rail tunnel scheme
Switzerland’s rail infrastructure operator SBB has appointed the IBD joint venture, formed by Implenia, Bernasconi and De Luca, to deliver a key contract on the Ligerz Tunnel project.
The CHF220M (£198M) deal involves construction of a 2.1km long double-track tunnel, of which around 1,850m will be formed by mining techniques and…