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Datwyler news

From April 2016 to January 2018 Datwyler will deliver 20.236 M 38928 anchored gaskets to JV Acciona Ghella for the Oslo Follo Line in Norway. The tunnel(36.430 m) with an outer diameter 9.550 ... More Information

BAUMA 2016

The 31st Edition of BAUMA the world's leading trade fair for construction machinery, building material machines, mining machines, construction vehicles and construction equipment opened this morning ... More Information

Wimmer - Leading supplier for tunnelling tools

Wimmer International was founded in 1984 and is an Austrian family business. They operate in the development and construction of excavator attachments and one of their greatest strengths is in ... More Information

TACS at BAUMA 2016

Only 3 days are left until BAUMA 2016 opens its gates in Munich. As in previous years TACS will participate with a booth and would be very pleased to welcome you at its Red Bar for some talks ... More Information

Schuman – Josaphat tunnel now open

The new Schuman-Josaphat tunnel opened on the 04.04.2016 allowing for trains to run through for the firet time. The Schuman-Josaphat tunnel is a direct rail link between the Brussels-Schuman station ... More Information

PUB calls pre-qualification exercises for DTSS Phase 2 Tunnel and Tuas WRP

PUB, Singapore's National Water Agency, will be calling for two open pre-qualification exercises in April to pre-qualify consultancy firms and construction companies with relevant experience and ... More Information

Subscribe for free to the tunnelbuilder weekly newsletter

Have all the latest tunnelling news, tenders and awards delivered for FREE to your mail box. The tunnelbuilder weekly newsletter goes out every Thursday and brings you up to date with everything ... More Information

Urban Underground Space & Tunnelling conference in 2016

Asia’s Leading Urban Underground Space & Tunnelling Summit will return from 6 to 9 September 2016 in Singapore. The Summit 2016 will provide excellent insight into the complexity and ... More Information

Detailed project report for the Varanasi Metro

On 29.02.2016 the Lucknow Metro Rail Corporation (LMRC) presented the Detailed Project Report (DPR) for the Varanasi Metro Rail Project to the State Government. The DPR envisages two corridors with ... More Information

Loan signed with EIB for the Lucknow Metro

A loan agreement for the Lucknow Metro project between the Government of India and the international funding agency European Investment Bank (EIB) has been signed in Brussels. It was done during the ... More Information

TBM Alice - New Zealand

The TBM Alice has been dismantled and delivered to the Ports of Auckland for shipment back to its manufacturer to be recycled. The TBM has successfully built two 2.4km underground tunnels which were ... More Information

Palmieri at BAUMA 2016

Palmieri is showing its products at BAUMA this year. BAUMA is in Munich from the 11th until the 17th of April 2016, Palmieri will be situated in Hall C3, Booth 339. Palmieri was founded almost 40 ... More Information

Bertha inspections underway

On the 12.03.2016 the SR99 TBM Bertha reached its last maintenance stop. Seattle Tunnel Partners (STP) will take up to one month to inspect the TBM and provide any maintenance that is needed. Some ... More Information

ExpoTunnel will exhibit at BAUMA

ExpoTunnel will exhibit at BAUMA in Munich from April 11th until April the 17th, booth number 5 in the East entrance area, in order to promote the fair worldwide. ExpoTunnel, wants to be able ... More Information

The Angat water improvement project

The Asian Development Bank (ADB) has approved a EUR109,24 million (USD123.3 million) loan for a new water tunnel to help modernise Manila’s water supply. This will reduce the risk of shortages ... More Information

Breakthrough on Red Line North at Doha

Last night the 600 tonne TBM, belonging to the consortium of ISG, headed by the Italian company Salini Impregilo, broke through at the Red Line North of al Golf, North East of Doha. The EUR1.8 ... More Information

Swedish drilling and tunneling customer requirements in focus

As part of Sandvik Construction’s increasing focus on the local needs of our customers, we will be participating at two March events to be held in Sweden. Both of these will provide an ... More Information

Breakthrough of the Sant’Urbano tunnel in the Pedemontana Veneta

On 14.03.2016 the Sant’Urbano tunnel in Pedemontana Veneta broke through. The tunnel is 1531m and is the first tunnel between Montecchio Maggiore and Castelgomberto municipalities, which ... More Information

Robbins is focused forward

The Robbins Company has been the foremost manufacturer of TBMs and underground construction equipment for over 60 years. Click here for a journey through the company history as told by Robbins ... More Information

Second Phase of Second Avenue Subway - New York

The Second Avenue Subway (SAS) will be New York City’s first major expansion of the subway system in over 50 years. The line will stretch more than 136 km along the length of Manhattan's East ... More Information

Engineering underground space - utilising the assets beneath our feet

HS2 Engineering Director and former Chief Engineer at Crossrail Chris Dulake, will be outlining the engineering and environmental challenges presented in the delivery of HS2 at a special one day ... More Information

Robbins hosts first webinar for the 2016 series

The Robbins Company will be hosting their first TBM webinar for the 2016 series on April 5th . The title of the webinar is “The Robbins Crossover TBM: One Machine, Many Geologies”. ... More Information

Bözberg tunnel

On 09.03.2016 the FFS officially began work on the new Bözberg tunnel. It is a 2.7 km-long, double-track and 4 m compatible and runs between Effingen and Schinznach-Dorf in the ... More Information

PassiveTec® awarded Heathrow contract

The PassiveTec® range of high performance fire protection panels, jointly owned by PFP Fire Systems and Sheffield Insulations Group, has won the supply contract for the refurbishing ... More Information

New Breakthrough on the Gold Line Doha Metro Project

On the 24.02.2016 TBM 6 arrived in Sports City Station on the Gold Line Doha Metro Project. The TBM has excavated 1614 m in 73 days, with 10 Fridays on maintenance, with an average of 22meters ... More Information

Plan to link China to Taiwan with 126 km tunnel

Beijing’s 13th five-year development plan, which was unveiled during the 12th National People's Congress (NPC) in Beijing states that China is planning to construct a 126 km long ... More Information

Kamchik tunnel completed

On 27.02.2016 Uzbekistan Railways in conjunction with China Railway Tunnel Group completed tunneling works on the main trunk of the 19.1 km tunnel under the Kamchik pass in Uzbekistan. The ... More Information

China Tunnel & Bridge Summit

The 10th China Tunnel & Bridge Summit will be held will be held at Yindo Grand Jasper Hotel in Zhuhai on 17-18 March, 2016. A technical excursion to the artificial island of ... More Information

4th Annual Tunnels Fire Safety Forum

The 4th Annual Tunnels Fire Safety Forum will take place from 11 to 13 May 2016 in Amsterdam. It will bring together fire brigades, construction companies, operators, and the public sector in order ... More Information

The Cross Island Line (CRL) at Singapore

On 05.02.2016 the Land Transport Authority (LTA the Environmental Impact Assessment (EIA) (Phase 1) report for the stretch of the Cross Island Line (CRL) at Singapore around the Central Catchment ... More Information

18km long road tunnel proposed for Jammu & Kashmir

The Border Roads Organisation (BRO) has submitted a proposal to the ministry of road transport and highways for construction for a EUR1.19 billion (Rs9,000-crore) 18 km long road tunnel. The tunnel ... More Information

BTS offers world-class venue for WTC2019

Key to the success of a world-class conference is a world-class venue and the BTS is planning to deliver both in its bid to host the World Tunnel Congress (WTC) in 2019 in London. London is ... More Information

Robbins EPB surmounts Chennai Metro Challenges

Recent breakthrough marks triumph over Mixed Ground Conditions - On January 27, 2016, a Robbins mixed ground EPB broke through at Chennai Metro, finishing up a challenging second drive that saw the ... More Information

ICE Engineering Underground Space 2016 - Regeneration through Innovation

ICE's one day conference is on the 15 March 2016 in London. The conference will help engineers and planners make the most of the opportunities presented by going underground. Case studies will ... More Information

Two TBMs breakthrough on Doha Metro’s Green Line

On the 14.02.2016 Qatar Rail, which is overseeing the construction of the country’s integrated railway network, celebrated as the two TBMs Al Rayyan and Al Gharrafa successfully completed ... More Information

Datwyler DATBALANCE receives patent in the US

After Datwyler Sealing Technologies having already received the patent for the DATBALANCE principle in Europe and Hong Kong last year, it is now received the protection of a patent for this new ... More Information

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Tunnelling News

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

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

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