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Geofluid international exhibition at Piacenza

Geofluid, the biannual international show specialised in subsoil fluid prospecting extraction and transport, geological and geophysical drilling, deep foundations, no-dig technology and construction of tunnels More Information

New locomotives from Mining Equipment

New locomotives from Mining Equipment

Thirty years’ experience in locomotive rebuilding has given American specialist Mining Equipment a unique insight into the requirements for successful operation in the rigorous tunnelling environment. More Information

Grand St Bernard safety tunnel complete

Grand St Bernard safety tunnel complete

On 06.06.2012 consortium Condotte Cossi completed TBM excavation of the emergency tube of the Grand St Bernard tunnel. The 5,760 m-long drive, lined with precast concrete segments, was completed in 18 months. More Information

Florence high-speed rail tunnel

Florence high-speed rail tunnel

Nodavia, a JV of Coopsette and Ergon, secured the EUR709 million contract for the Florence high-speed rail tunnel and station. More Information

Normet buys out TAM

Two years after acquiring a strategic 40 percent shareholding in TAM International, Normet has now proceeded to full ownership. More Information

Robbins trio at Pahang-Selangor

Three Robbins 5.23 m-diameter hardrock TBMs are returning fast advance rates in widely varying rock strengths and water More Information

CAT TBM holes out in London

Some 32 km of cable tunnels, 14 shafts and four connecting tunnels with associated chambers are under TBM construction by Costain between Hackney and Willesden (3 m-diameter) and between Kensal ... More Information

Bentley software solutions

Bentley Systems Inc provides comprehensive software solutions for sustaining infrastructure from buildings to bridges, transit to utilities, and clean energy to clean water. More Information

CEAR electrical and automation

Costruzioni Elettrotecniche CEAR has thirty years experience supplying electrical and automation solutions to main contractors worldwide in the construction, More Information

Excavation of Olabarrie tunnel starts

On 23.05.2012 excavation of the 1,102m Olabarrie tunnel started, including the 75 m section in cut/cover at the adit. More Information

Shift engineer required

Shift engineer required

iPS is currently looking for a shift engineer whose responsibilities will include supervision of shifts, monitoring TBM operating parameters, More Information

Markovec road tunnel holed

On 14.05.2012 Alpine Bau GmbH broke through the 2,174 m-long left tube of the Markovec bi-tube tunnel on the motorway More Information

ERMCO 2012 Congress for Verona

The XVI International ERMCO Congress, returning to Italy after 26 years, will be in Verona from June 21st – 22nd. More Information

Listec fire detection at Rome metro

The Listec RDU 316 Remote Display Unit is reassuring for Rome metro tunnel operations. More Information

World Tunnel Congress 2012

WTC is taking place in Bangkok, Thailand from 18th to 23rd May. Congress theme is Tunnelling and Underground Space for a Global Society. More Information

Trigoni tunnel on SS106 Jonica

Trigoni tunnel on SS106 Jonica

On 11.05.2012 Cipa SpA broke through the north tube of 840 m-long Trigoni tunnel, lot DG22 of SS106 More Information

Grizzana tunnel on Variante di Valico

Grizzana tunnel on Variante di Valico

On 02.04.2012 the south tube of Grizzana tunnel on the La Quercia-Lagaro section lot 5 of Variante di Valico broke out. More Information

Work begins on Gilon tunnel

On 23.04.2012 the JV Danya Cebus/China Civil Engineering Construction Corp (CCECC) began work on a 4.6 km-long twin-bore tunnel at a depth of 100 m More Information

Robbins foursome at Nanjing metro

Robbins foursome at Nanjing metro

Four Robbins 6.5 m-diameter EPBs with mixed-ground cutterheads have been successfully launched and brought up to speed on two lines of the Nanjing metro in Jiangsu province of China. More Information

Renovation of Leopold II tunnel for 2014

The Brussels Regional Government has given the go-ahead for the renovation by a Private Public Partnership of the 2.5 km-long Leopold II road tunnel More Information

Doha Metro starts in 2013

Qatar Railways Company (QRail) has invited some five tenders for the first phase of the metro rail transit system in the country More Information

CIFA to unveil telescopic shotcrete boom

CIFA to unveil telescopic shotcrete boom

At the World Tunnel Congress 2012 in Bangkok, Thailand 18-23 May, CIFA, a company in the Zoomlion Heavy Industries Group, will present the new CST 8.20 shotcrete jumbo with telescopic boom designed specifically for applications in small size tunnels and mining drives More Information

A4 Delft-Schiedam motorway start

Construction of the A4 Delft-Schiedam motorway commenced on 26.04.2012 under a EUR298 million design and construction contract awarded last year to consortium A4ALL, comprising Boskalis, Heijmans and VolkerWessels. More Information

Malta-Gozo road tunnel options

Malta-Gozo road tunnel options

In July, 2011 Transport Malta appointed Mott Macdonald to carry out a preliminary analysis of road tunnel link options between Malta and Gozo. A fixed link would reduce average journey times by at least 40 minutes. More Information

Emcor requires more agents in Europe

Emcor has 30 years of experience in the manufacture and supply of machines and consumables to the underground sector, helping Spanish tunnelling contractors to become the most efficient in the world. More Information

Global reach by Sandvik

Sandvik provides comprehensive tunnelling and underground civil engineering equipment and expertise across a range of methods including drill/blast, mechanical cutting and breaking. More Information

Funding for Madrid-Galicia HSR

Funding for Madrid-Galicia HSR

Funding of EUR927.41 million including VAT has been approved for work on four sections, in Zamora and Ourense provinces, More Information

More exposure at tunnelbuilder.com

That the tunnelling industry is growing can be measured by the steady increase in bids and awards reported at tunnelbuilder.com More Information

Robbins’ progress in Mexico City

Robbins’ progress in Mexico City

Three 8.93 m Robbins EPBs with continuous conveyor systems are tunnelling from shafts up to 150 m deep through watery clays and large More Information

New record for Sparvo TBM

The 15.62 m-diameter EPB Martina, built by Herrenknecht for the 2.5 km-long twin-tube Sparvo tunnel on Italy’s Variante di Valico project More Information

2013 Strait Crossings conference for Bergen

The sixth international conference, dealing with extreme crossings and new technologies, takes place in Bergen, Norway on 16-19 June More Information

SS77 Sostino tunnel completed

On 03.04.2012, breakthrough was achieved on the 2,834 m south tube of the SS77 More Information

Intermat in Paris

Time to order your visitor badge for Intermat, the international exhibition for equipment and techniques for the construction and materials industries taking More Information

NAT 2012 registration

Registration is now open for the upcoming NAT conference and exhibition scheduled for Indianapolis, 24-27th June, 2012. More Information

New breakthrough on SS77

New breakthrough on SS77

On 26.03.2012, breakthrough of the 3,472 m south tube was achieved on the SS77 Varano tunnel in Serravalle del Chienti municipality More Information

Kiora TBM rescued

The 19.8 km-long Kiora tunnel for the Yin Hong Ji Shi water diversion project in Tabai County of Shanxi Province comprises 8.7 km drill/blast and 11.1 km TBM drive. The drill/blast section has been completed, but the double shield TBM became trapped in poor ground after driving just 6 km. More Information

Tunnelling News

Riederwald Tunnel in Frankfurt is further delayed

Traffic was supposed to start flowing through the controversial Riederwald Tunnel in Frankfurt in 2033. But that's unlikely to happen. The €1.5 billion project is facing further delays – ... More Information

What happens to our metro tunnel boring machines when they hit the end of the line?

These mechanical behemoths were Betty and Dorothy, the tunnel boring machines tasked with digging the Sydney Metro West tunnels. Loading. The ... More Information

The incredible £2.8bn underwater tunnel connecting Europe and Asia

A huge new tunnel will connect Europe and Asia - and construction has already started. The Great Istanbul Tunnel is a major project. It will carry ... More Information

China develops "smart brain" for tunnel boring machines to boost underground construction

A team from Hunan University in central China has collaboratively developed an intelligent operating system for tunnel boring machines, giving these massive underground giants a "smart ... More Information

How China rescued highway project under Yangtze River

The incident occurred in February 2023 during construction of the 6.4-kilometer Jiangyin–Jingjiang Yangtze River Tunnel. Midway through excavation, at ... More Information

HS2 final tunnel drive to Euston starts next week

A team from SCS will drive a 4.5-mile twin-bore tunnel linking Old Oak Common to Euston using two tunnel boring machines, Karen and Madeleine. More Information

Work begins on £48M Knutsford sewer upgrade featuring 1.8km stormwater tunnel

Sean Reid, United Utilities county business lead for wastewater in Cheshire said: “This project highlights our ongoing commitment to improving water ... More Information

$14.6M boost moves Gering–Fort Laramie Canal Tunnel project forward

After nearly six years of planning, construction is moving forward on the Gering–Fort Laramie Canal tunnels... More Information

Webuild: second breakthrough at Trebisacce Tunnel along Jonica State Road 106

Project will help transform Jonica State Road 106 into a strategic corridor linking Ionian coasts of Calabria, Basilicata and Puglia... More Information

Ground preparation for Lower Thames Crossing tunnelling

Work is ongoing to overcome sub-optimal ground conditions in preparation for the start of tunnelling on the Lower Thames Crossing in late 2028, according to the project’s tunnels director... More Information

LA Metro approves massive $25B underground rail line to bypass 405 Freeway

The LA Metro Board unanimously approved an underground heavy rail line to connect the San Fernando Valley and the Westside, bypassing the congested 405 Freeway. The nearly 13-mile route, ... More Information

TUNNEL VISION Mega £7.4bn undersea tunnel connecting two CONTINENTS just got one step closer

A MAJOR £7.4 billion underwater tunnel connecting two continents has taken a step closer to construction. Experts have said the 24-mile tunnel is “technically viable”, paving the way for ... More Information

TBM breakthrough in Sydney

Tunnel boring machine (TBM) Jane Starkey successfully completed her 1.2km underground journey through challenging Sydney sandstone... More Information

Hochul announces $25 million for Harlem crosstown subway tunnel design

At E. 120th St., a pair of tunnel-boring machines — currently under construction in Germany — will bore new, 8,400-foot tunnels north from the end ... More Information

Tunnelling under the Yarra River

Our two Tunnel Boring Machines (TBMs) will soon be travelling underneath the Yarra River... Approximately 300 metres of the 6.5 kilometre North East Link will be under the Yarra ... More Information

The Boring Company says its tunneling machine is 'ready to mine in Nashville'

The Music City Loop project is aimed at transporting people from Nashville International Airport to Lower Broadway in roughly 10 minutes. By Li ... More Information

Norway Is Building the World's Longest and Deepest Tunnel Beneath the Sea

The Rogfast project, short for Rogaland Fixed Link, is an underwater road tunnel being built beneath Norway's fjords as part of the E39 coastal ... More Information

Future engineers become 'TBM Captains' for Suburban Rail Loop

Tunnel Boring Machines (TBMs) that will begin work this year. The tour of the eastern tunnel entrance was part of a long-term initiative, with ... More Information

Image gallery: Civil works completed on HS2's longest tunnel

Main construction on the Buckinghamshire structure began in May 2021 with the launch of two 2,000-tonne tunnel boring machines (TBMs), named Florence ... More Information

The Boring Company Launches Free Tunnel Contest: AI Applications for Smart Infrastructure

According to Sawyer Merritt on Twitter, The Boring Company has announced a contest to build a one-mile tunnel for free, inviting proposals for ... More Information

Out of sight: spectacular HS2 tunnels offer glimmer of hope for stalling project

Despite much soul-searching over UK’s inability to build infrastructure, two sections of HS2 under Chilterns are being hailed for their engineering... More Information

HS2 January 2026 update

We’re making progress building the main infrastructure for the new line. We’ve completed 80% of tunnelling and are working on major bridges, viaducts and embankments, and HS2’s new ... More Information

Implenia Secures EUR 350 Mln Projects For Bridges, Tunnel Works In Germany

Tunnel to join motorway sections and connecting roads. The Swiss construction and real estate company said the Peene Bridge project in Wolgast, ... More Information

Incredible new $7.9bn mega rail and road tunnel to be the world's longest

The safety of our workers is of utmost importance during the construction of the Fehmarn Belt Tunnel. We will await the findings of the ... More Information

TBM launch from Rukanpura soon as metro work gains pace

The tunnel boring machine (TBM) for the underground network is likely to be launched from Rukanpura on Bailey Road, which falls under Corridor I ... More Information

World's largest-diameter boring machine used for Yangtze River railway tunnel

China's domestically developed, world's largest-diameter vertical shaft boring machine 'Qiming' was officially put into operation in Taicang City ... More Information

HCMC approves sea-crossing route with undersea tunnel between Can Gio and Vung Tau

Ho Chi Minh City has approved a strategic proposal by Vingroup to construct a direct sea-crossing road connecting the Can Gio coastal urban area with Vung Tau beach town, cutting travel ... More Information

Changi Airport’s new underground link to take passengers from future T5 to T2 in 4 minutes

SINGAPORE – Passengers at the future Changi Airport Terminal 5 can expect to reach Terminal 2 in four minutes via the airport’s new underground link... More Information

SRL inspires TBM Captains - Victoria's Big Build

Tunnel Boring Machine (TBM) Captains. When SRL East opens in 2035 ... Construction of SRL East is powering ahead, with more than 3000 people ... More Information

Beneath winter's fjords: 17 miles of rock, 1300 ft deep

Rogfast tunnel construction beneath Norway's winter fjords, 17 miles long and 1,300 feet deep,. Credits: Ground Engineering. For years, the E39 ... More Information

Massive Sinkhole Opens Near $26 Billion Tunnel Project in Melbourne

A massive sinkhole has suddenly opened up in Melbourne near a major highway tunnel construction site, sparking safety fears and halting ... More Information

The world's longest expressway tunnel: China's Tianshan Shengli Tunnel

At the same time, the project also implemented China's first 'three-tunnel parallel construction' plan, which increased the number of workfaces. At ... More Information

'Not really where you want to be': Ground preparation for Lower Thames Crossing tunnelling

The Lower Thames Crossing is a major new road and tunnel project in the UK, intended to alleviate congestion at the Dartford Crossing and enhance. More Information

Funding problems affect metro line extensions

In the Athens metropolitan area, construction of Line 4 is continuing, with the Avax-Ghella-Alstom consortium saying the two tunnel-boring machines ... More Information

Transport Minister inspects progress on Cairo Metro Line 4 phase one

Four tunnel boring machines (TBMs) are in operation—two in each direction. According to the project timeline, the first TBM has reached the Grand ... More Information

Here's what happened with Toronto's Scarborough Subway Extension in 2025

SSE tunnelling, which began in January 2023, is being carried out with the largest tunnel boring machine (TBM) ever used on a Canadian transit project ... More Information

NHAI connects Tunnel No. 4 on Shimla bypass

NHAI PIU Shimla Project Director Anand Kumar, Bharat Construction ... The tunnel was constructed using the New Austrian Tunnelling Method (NATM) ... More Information

Mumbai-Ahmedabad Bullet Train Update: Palghar Tunnel Breakthrough Achieved

NHSRCL Bullet Train Project | India First Bullet Train Update: Last year, the Ministry of Railways achieved a breakthrough in the construction of ... More Information

Main tunnel works connecting future Changi Airport T5 to existing T2 completed

Main tunnel works connecting the future Terminal 5 to the existing Terminal 2 are completed, as the Changi East development gathers pace... More Information