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East European tunnelling conference

The first East European tunnelling conference takes place in Budapest on 18-21st September, 2012. More Information

Italian road tunnels break through

On 05.07.2012 excavation was completed at the 990 m-long Cerzone tunnel (km 4,500 - km 5,450) on the road bypass to the SS 212 between Pietrelcina junction and San Marco dei Cavoti interchange in Italy’s Benevento province. More Information

CEAR moves admin and production across Milan

Costruzioni Elettrotecniche CEAR moved to new administrative and production facilities at Gessate (Milan) in June, 2012. More Information

CIFA sponsor of the XVI ERMCO congress

CIFA, a company in the Zoomlion Heavy Industries Group, sponsored the XVI ERMCO Congress held in Verona on 21-22nd June, 2012. More Information

Second Gotthard road tunnel agreed

The Swiss government has decided to build the second Gotthard road tunnel to facilitate refurbishment of the existing 16 km-long single tube, More Information

Saverne first tube sees daylight

Saverne first tube sees daylight

On 19.06.2012 10 m-diameter Herrenknecht TBM Charlotte broke through the 4 km-long east-west tube of Saverne tunnel, after seven months of work, during which average advance was 20 m/day. More Information

NFM EPB for Moscow metro

NFM Technologies has received an order for a 6.6 m-diameter earth pressure balance TBM to drive a section of the second circular line of Moscow metro. More Information

Fehmarnbelt project new time schedule

The prequalification process will still start this year, even though the planning of the fixed link across the Fehmarnbelt will take one year more than expected. More Information

Brussels airport line opens

On 7 June King Albert II inaugurated the new Diabolo railway infrastructure and reached by train the new Brussels Airport station. More Information

ITA global perspective

ITA has produced a video dealing with urban tunnelling at a time when it is estimated that migration will result in 70% of the world’s population living in cities. More Information

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

Tunnelling News

Rome digs deep for railway that burrows beneath the Colosseum

Tunnellers used lasers to check whether ancient columns at the nearby Forum were not wobbling as their 300ft long tunnel boring machine churned ... More Information

World’s largest-diameter high-speed railway shield tunneling machine reaches milestone

The world's largest-diameter high-speed railway shield tunneling machine independently developed by China, “Linghang,” for the Chongming-Taizhou ... More Information

Third circuit on £1bn London Power Tunnels 2 project energised

Electricity has begun flowing through a new section of National Grid's London Power Tunnels 2 (LPT2) project after the energisation of a ... More Information

Westmead metro station cavern formwork the biggest in the southern hemisphere

Crews are now retrieving the 1,200-tonne Tunnel Boring Machines (TBMs) that arrived beneath Westmead in September and October, lifting each machine ... More Information

Webuild: excavation begins on three tunnels for Salerno-Reggio Calabria HS/HC Railway

All four TBMs planned for Lot 1A Battipaglia–Romagnano section are operational with launch of latest three Joining TBM Partenope, already active, are Leucosia and Ligea, whose names were ... More Information

SELI Overseas: 75 Years of Tunneling with TBMs

From Channel Tunnel to the Brenner Tunnel: When Tunneling Is Synonymous with Innovation ... SELI TBM at work on the construction site... More Information

Road realignment is major step for HS2, says firm

HS2 Ltd A view of the realigned B4525 on an overcast day. · HS2 Ltd An aerial view of the construction of Greatworth tunnel showing major earthworks ... More Information

Amtrak has made real progress in East River Tunnel rehabilitation

The tunnel has been stripped down to the concrete liner. Westbrook was told the project isn't just about modernizing and replacing what was, but also ... More Information

Madrid invests EUR 123 million in new metro stations on Line 11

TBM Mayrit enters into action in 2026 · November 2025 – February 2026: assembly of the tunnel boring machine in Comillas Park (Carabanchel district) ... Facebook Twitter Flag as ... More Information

Jerusalem Light Rail Construction Advances Ahead of Major Tunnel Work

Local reporting on city project materials notes that “the plan calls for a 2-km underground tunnel to be built beneath the city center, including ... More Information

Why and how the Civil Works Alliance changed Sizewell C tunnel designs from Hinkley Point C

Ground conditions around Sizewell C have required intense collaboration between the project’s contractors alliance to come up with new outfall and intake tunnel design solutions... More Information

AI planning of the first railway tunnel through challenging terrain

AI plans first rail tunnel through tough terrain. Artificial Intelligence China Uses AI for the Construction of Railway Tunnels. 2025-12-08 ... More Information

Will Tunneling Projects Be The Next Big Thing For Mumbai's Public Transport?

During the interview, she also called tunnel boring machines the safest and one of the most efficient ways of doing tunelling. "Only the place of the ... More Information

Chipolbrok vessels deliver tunnel boring machines to Sydney and mineral bulk to Peru

Chipolbrok delivers TBMs for Sydney Metro on Chipolbrok Star and loads 29000t minerals in Peru on Taixing, showcasing fleet versatility... More Information

How Seequent's software solutions help to manage tunnelling data

The second phase of Singapore's Cross Island Line (CRL) metro project is under way, assisted by a suite of software from Seequent. Singapore's CRL is ... More Information

Muography to Transform Tunnel Safety Monitoring

Underwater bridge tunnels have become vital arteries for cities, enabling smooth vehicular passage beneath rivers, bays, and inland waterways. More than 200 of these structures operate ... More Information

10 longest tunnels in the world that reshaped global transportation

Modern tunnel construction involves sophisticated techniques, including tunnel boring machines and advanced geological surveying. The project ... More Information

Čučković: Construction of the tunnel boring machine for the Belgrade Metro in final phase

It is a good thing that we, for example, acquired these tunnel boring machines at a lower price than other countries... More Information

Serbia plans to borrow 2.5 billion EUR in 2026 for the construction of the Belgrade metro

It is also stated that two TBMs (tunnel boring machines), the so-called moles, have already been ordered and are expected to be delivered to ... More Information

VSM starts operation at Tilbury

The pioneering Vertical Shaft Sinking Machine (VSM) from Herrenknecht, named “Verena”, after Verena Holmes, a pioneering British mechanical ... More Information

Metrolinx reveals names of Ontario Line tunnel boring machines

Following a contest, Metrolinx has officially named its two massive tunnel boring machines Libby and Corkie... More Information

Montreal blue line metro tunnel boring machine has arrived, time to dig

It's basically building the backbone of the blue line extension,” said project chief Maha Clour, pointing out that crews have reached the bottom of ... More Information

Norway Unveils The World's Longest Road Tunnel In A Majestic Engineering Marvel

The construction cost broke down to about 38,000 NOK (roughly £3,500) per meter, an impressive figure considering the complexity and scale of the ... More Information

Sydney Metro West construction captured on video ahead of 2032 opening

Two giant tunnel boring machines have made their way through the deepest section of Darling Harbour as part of works on the new Metro West. More Information

Bengaluru's ₹18,000-crore tunnel road project inches closer as four major firms submit bids

Four firms bid for Bengaluru's ₹18000 crore tunnel project linking Hebbal to Silk Board, expected to ease city traffic by 2029 under a 34-year ... More Information

Webuild advances Rocchetta Tunnel excavation

Upcoming construction milestones. Webuild is preparing for the next major phase on the Apice–Hirpinia section: the launch of the reinforced concrete ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Kathmandu-Tarai Expressway achieves 43.3% progress

The total length of the seven tunnels under the project is 10.979 km. ... Construction progress for the Chandram Bhir tunnel. (2,250 metres) has ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Hong Kong: Robotics And AI Enhance Tunnel Construction

It is leveraging artificial intelligence (AI), robotics and automation to advance the Trunk Road T2 and Cha Kwo Ling Tunnel project. These ... More Information

Single-Bore Tunnel Method Chosen for BART Silicon Valley Phase II

This decision allows VTA to advance project design towards 60%, stay on a critical path to tunnel construction and meet the projected revenue service ... More Information

Boring Co. begins 'controlled blasting' for Nashville tunnel at TN capitol

The Boring Co. has started excavation work at a state-owned parking lot on Rose Parks Boulevard for the Music City Loop project Wednesday, Aug. 13, ... More Information

TBM arrives in Montreal for delayed metro extension project

A custom-built tunnel boring machine (TBM) has arrived in Canada for use on a 6km extension of the Montreal Metro... More Information

Spain Confirms Feasibility of €8.5 Billion Morocco-Europe Tunnel

The study was conducted by German company Herrenknecht, the world leader in tunnel boring machines, at the request of the Spanish government's ... More Information

TxDOT spends $748M to burrow bus-size tunnels under Central Austin

The first tunnel boring machine will be deployed near ... Industry experts say tunnel boring machines typically advance about 50 feet per day. More Information

6 TBMs on Duty on the 27-Kilometer Line in Körfezray

Two of the six Tunnel Boring Machines (TBMs) that will serve in the first 27-kilometer phase are actively excavating tunnels, while the ... More Information

Construction on HS2's Euston tunnel will start 'fairly soon', says rail minister

Construction on the HS2 tunnel from Old Oak Common station to Euston station will start “fairly soon”, the rail minister has said... More Information

Blue Line Extension TBM Arrives at Port of Montreal

Railway Track and Structures Construction site of the future Vertières station (Pie-IX) in June 2025. Caption and photo courtesy of STM. MONTREAL - The tunnel boring machine (TBM) ... More Information

Tunnel break through milestone for Mt Messenger Bypass project

A 110 tonne excavating machine, called Hinetūparimaunga, has broken through at the northern end of the project's 235 metre-long tunnel ... More Information