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TERRATEC marks major milestone in Bangkok

TERRATEC marks major milestone in Bangkok

TERRATEC marks its latest milestone on the Orange Line metro project, in Bangkok, Thailand, with the breakthrough of the Westbound running tunnel on Contract E3 .   Recently, TERRATEC joined ... More Information

Save-the-Date: 2020 Breakthroughs in Tunnelling Short Course

The Breakthroughs in Tunnelling Short Course, the longest-running and most-attended course of its kind, marks its 13th year in 2020. The 2020 course returns to the University of Denver in Denver, ... More Information

Blog - On the Move: Robbins TBMs Around the World

Blog - On the Move: Robbins TBMs Around the World

At any given time Robbins TBMs are operating in dozens of countries around the world at all project stages. Thus far, 2020 has been no exception to the rule: From an icy visit to the world’s ... More Information

New dates for SaMoTer

New dates for the trade fairs SaMoTer and Asphaltica that are to be held in Verona Italy have been announced. The two shows are being held at Veronafiere are for the construction equipment and the ... More Information

WTC 2021 - Call for Abstracts

WTC 2021 - Call for Abstracts

The World Tunnel Conference 2021 and associated events will be held between the 14th and 20th of May 2021 at the Bella Congress Center Copenhagen. Denmark and Scandinavia will present some of the ... More Information

History made as metro tunnelling complete under Sydney Harbour

New twin metro railway tunnels deep under Sydney Harbour are complete in a historic milestone – with all tunnelling now finished on the Sydney Metro City & Southwest project. Mega boring ... More Information

A3 Kerenzerberg tunnel update

A3 Kerenzerberg tunnel update

The A3 motorway section at the Kerenzerberg tunnel in the direction of Sargans has been in operation for over 30 years. In order to ensure road safety for the coming years and long-term operation, ... More Information

RFQs Issued for Tunnelling Works on Scarborough Subway Extension and Eglinton Crosstown West Extension

Infrastructure Ontario (IO) and Metrolinx have issued two Requests for Qualifications (RFQs) for advance tunnelling work on the Scarborough Subway Extension and the Eglinton Crosstown West Extension ... More Information

Update - Kommunarskaya Line in Moscow

On the 16/03/2020 construction of the tunnel between the Mamyri and Slavic World stations began for the new Kommunarskaya metro line. Mosinzhproekt JSC is the general designer and general contractor ... More Information

Robbins webinar

If you missed the Robbins webinar, No need to worry, you can watch an on-demand recording of their event on Big Data: Technology for Efficient TBM Tunneling please click here for further ... More Information

MineArc - Custom Refuge Chamber Strengthens Safety on Small TBM

Designing a refuge chamber to fit a 4.4m diameter tunnel boring machine with limited gantry space. Learn about the custom engineering that went into building two 10-person, 24-hour TunnelSAFE refuge ... More Information

Moscow - Western Section, Big Circle Line (BCL) launches TBMs

Moscow - Western Section, Big Circle Line (BCL) launches TBMs

On 25/02/2020  two TBMs (10 m diameter)  were simultaneously launched on the western part of the Big Circle Line (BCL) in Moscow. The TBMs will be driving two double track tunnels, TBM ... More Information

First TBM reaches De Amicis Station in Milan

On the 04/03/2020 the first TBM, involved in the construction of the tunnel for the central section of the M4 line in Milan arrived at the De Amicis station. The TBM averaged 25m/day and has now ... More Information

Events postponed

The following events have been postponed -  1. The Fehmarn Link Business Conference, which should have been held at Lalandia in Rodbyhavn on March 12, has been postponed to a later date. ... More Information

LA Regional Connector Transit Project Updates

LA Regional Connector Transit Project Updates

When the Regional Connector project is completed, three Metro light rail lines — the A (Blue), E (Expo) and L (Gold) — will finally be joined together via two 1.9-mile twin tunnels ... More Information

Robbins Main Beam overcomes Obstacles in Guangxi Province

Robbins Main Beam overcomes Obstacles in Guangxi Province

Tough TBM breaks through after navigating Faults, Karst, and More - In January 2020, a Robbins 5.97 m (19.6 ft) diameter Main Beam TBM cleared its final hurdle when it broke through in Guangxi ... More Information

City Rail Link project - Tunnelling starts in 2021

The TBM for the City Rail Link project awarded to Link Alliance, a group of 7 companies ,  is due to arrive in Auckland next spring. It will bore twin tunnels under the city centre. The $13 ... More Information

TERRATEC EPBMs gear up for new Istanbul Metro line

TERRATEC EPBMs gear up for new Istanbul Metro line

Gulermak, Nurol & Makyol JV is currently completing TBM testing on-site for the new Ümraniye-Ataşehir-Göztepe line, the latest addition to Istanbul’s metro ... More Information

Breakthrough on Halkali-Istanbul Airport Metro Line

On the 29/02/2020 the TBM EPB S50 built by Terratec broke through at Arnavutkoy-1 station after excavating 1551 metres. The work is part of the new Halkali-Istanbul Airport Metro Line. The 31km-long ... More Information

Samoter 2020 Postponed until May

SaMoTer, the international construction equipment trade fair, scheduled for the  21-25 March will now be held between the 16-20 May 2020. Asphaltica, the road infrastructure event to be held ... More Information

WTC 2020 Malaysia date change

Due to the spreading Corona Virus in Asia-Pacific and  also in Europe, the organisers of the WTC 2020 in Malaysia have decided to change  the date of the  Congress as well as any and ... More Information

Australia - Farewell our mega borer friends

Australia - Farewell our mega borer friends

Press release - Four giant boring machines are leaving Sydney after finishing tunnelling under the city, delivering 30km of twin metro railway tunnels. Their massive cutterheads, each weighing 100 ... More Information

Finland to seek EU funding

The state of Finland will apply for funding from the European Commission for the planning process of the One-hour Turku-Helsinki Rail Link, of the Finland Railway, of the Espoo city rail link, to ... More Information

First TBM breakthrough for Melbourne metro

First TBM breakthrough for Melbourne metro

On the 23/02/2020 TBM  Joan, named after former Victorian Premier Joan Kirner, broke through in a 13-m-deep shaft at Childers Street, Kensington, completing  the first section of the Metro ... More Information

Fehmarn conference

The international business conference Fehmarn Link Business Conference ´20 (FLBC) will be held on Thursday 12th  March at Lalandia in Rodbyhavn. The conference is the launching pad for ... More Information

Metro Tunnel Melbourne

Five years after work began on the Metro Tunnel, the third and fourth TBMs are being assembled before starting work on Victoria’s biggest public transport project. TBMs Millie and Alice ... More Information

Five Groups qualify to compete to build the new E18 Langangen – Rugtvedt route

E18 Langangen - Rugtvedt is part of the E18 Langangen - Grimstad section. The project is 17 km long and has a contract value of about EUR516,47 million (NOK 5.2 billion), excluding VAT. The ... More Information

Five providers will compete to build E6 Storhove – Oyer

Five providers will compete to build E6 Storhove – Oyer

The following groups of contractors and consultants have qualified to supply offers and compete to build the new E6 Storhove - Oyer. AF Gruppen -  Norconsult Arbeidsfellesskap ... More Information

iPS Powerful People and T&M Specialists Hong Kong – Strategic Partnership

iPS Powerful People and T&M Specialists Hong Kong – Strategic Partnership

iPS Powerful People and T&M Specialists Hong Kong, are two companies that have entered into a strategic business partnership agreement for civil construction projects in the Far East. T&M ... More Information

TBM Grace completes Forrestfield-Airport Link tunnelling journey

On the 18/02/2020 TBM Grace broke through at Bayswater Station, marking the end of her 8 km journey from Forrestfield to Bayswater after 32 months. In late July 2017, TBM Grace set off from ... More Information

Bözberg tunnel update

Bözberg tunnel update

The Bözberg tunnel's slab track has been completed with the installation of the last sleeper. A great moment for all those involved and an important milestone for the largest single project ... More Information

Nykirke -Barkaker upgrade begins

Nykirke -Barkaker upgrade begins

On the 31st of January, the opening ceremony for construction of the new 13.6km section of a rail line between the towns of Nykirke and Barkaker, south of Oslo has was held. The project contractor ... More Information

France - Studies continue for the future Metro line E in Lyon

In June 2019, a preliminary consultation was carried out for the new Lyon metro line E project. Sytral chose the Alai - Bellecour route with the following 6 stations: Alai, Liberation, Menival, ... More Information

Grand Paris Express - 3 New TBMs for Lines 16 and 17

Grand Paris Express  - 3 New TBMs for Lines  16 and 17

On the 5th of February 3 new TBMs manufactured by Herrenknecht were christened at the Verden site in Le Bourget, France. The consortium led by Eiffage-Génie Civil will use them to carry out ... More Information

TBM Gaia completes first tunnel for RijnlandRoute

On the 27/01/2020 the TBM Gaia (diameter 11 m) re-emerged at the Stevenshof district of the A44 in Leiden, after 6 months tunnelling and  2,250 m from its starting point at the A4 motorway. ... More Information

Watch handover assurance for the Elizabeth line

Crossrail is undertaking testing and safety certification for each station, shaft, portal & railway system for the Elizabeth line. The engineering team explain why the handover & assurance ... More Information

Tunnelling News

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

Testing completed on Hudson River Tunnel boring machines

The project calls for construction of 9 miles of passenger-rail track between New York ... More Information

World's longest motorway tunnel finally opens in £3BILLION project

The Tianshan Shengli (Victory) Tunnel, located in the Tianshan Mountains of Xinjiang, China, measures some 22 kilometres – roughly 13.75 miles – and ... More Information

Cross-river tunnel of Nanjing Metro Line 4 Phase II completes tunneling

This photo taken on Dec. 27, 2025 shows the rear of the "Xinzhengcheng" tunnel boring machine at the construction site of Nanjing Metro Line 4 ... More Information

Tunnels Design and Construction Market is Going to Boom

HTF Market Intelligence projects that the global Tunnels Design and Construction market will expand at a compound annual growth rate (CAGR) of 6.80% from 2025 to 2032, from 72 Billion in ... More Information

Longest tunnel in the world costing £7billion will connect 3 European cities

The Brenner Base Tunnel is currently under construction and will connect the countries of Austria and Italy. The impressive tunnel, which is set ... More Information

Georgian Officials Mark Completion of Railway Modernization, Hoping to Boost Transit

The works also included the construction of the 8,300-meter dual-tube tunnel near Kvishkheti, 10 bridges, six tunnels, and around 100 engineering ... More Information

Israeli municipality approves budget for new tunnel project south of Jerusalem

The Jerusalem Governorate said that the project aims to connect the Har Homa settlement, built on Jabal Abu Ghneim land, to the Begin bypass road near ... More Information

Megaprojects Under Construction Around World In 2026

Described as the largest road tunnel in the U.K., the Lower Thames Crossing will link Tilbury in Essex via a tunnel underneath the Thames with ... More Information

Delhi Metro expansion: Cabinet approved Rs 12,015 crore project

The project, planned over a construction timeline of three years, will be executed largely underground using tunnel boring machines to minimise ... More Information

World's Longest Expressway Tunnel to Open, Linking North and South Xinjiang

Engineers used innovative methods and specially designed machines called tunnel boring machines (TBMs) to dig through hard rock faster and safer than ... More Information

The huge £21bn mega-tunnel that goes right through the middle of a mountain

Huge boring machines will create a 57.5km (35.7mile) tunnel through the Alps to connect French and Italian high-speed rail networks and link Lyon ... More Information

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