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Save-the-Date: 2019 Breakthroughs in Tunneling Short Course

The Breakthroughs in Tunneling Short Course, the longest-running and most-attended course of its kind, marks its 12th year in 2019. The 2019 course returns to the University of Denver in Denver, CO, ... More Information

Pre-Construction works started on Delhi-Gurugram-SNB RRTS corridor

At the beginning of April NCRTC -  a joint venture between the Government of India (50%) and State Governments of Haryana (12.5%), NCT Delhi (12.5%), Uttar Pradesh (12.5%) and Rajasthan ... More Information

CIFA at BAUMA - Press Release

CIFA at BAUMA - Press Release

CIFA SHOWCASES THE HYBRID TECHNOLOGY OF THE FUTURE AT BAUMA.   The company patented its first hybrid concrete mixer in 2013, confirming its pole position in hybrid technology. At Bauma 2019 it ... More Information

TERRATEC TBMs delivering results in Thailand

TERRATEC TBMs delivering results in Thailand

With seven TBMs currently at work on major underground projects in Thailand, TERRATEC marks its latest milestone on Bangkok’s Orange Line metro project. Having delivered seven TBMs to Thai ... More Information

Tunnelling works begin for DTSS Phase 2

On  the 04.04.209 PUB, Singapore’s national water agency celebrated the launch ceremony of the first TBM for the EUR6.58 bn (SGD10 bn) Deep Tunnel Sewerage System (DTSS) Phase 2 project ... More Information

Last TBM starts for DMRC at Najafgarh

The last Tunnel Boring Machine (TBM) of DMRC’s current phase of construction started work today between Najafgarh and Dhansa Stand on the Dwarka – Najafgarh – Dhansa Stand ... More Information

Press release - Looking forward to Snowy 2.0

Press release - Looking forward to Snowy 2.0

Since the days of our pioneering past, we’ve grown and today we’re looking forward as we take on the energy challenges of tomorrow. Snowy Hydro operates the Snowy Mountains Scheme, ... More Information

Forrestfield Airport Link Update

Forrestfield Airport Link Update

A major milestone was celebrated at the beginning of April with all tunnel segments required for the 8km twin-bored tunnels produced. A total of 9098 rings - that's 54,588 segments - have been ... More Information

Come and meet Bekaert-Maccaferri at BAUMA 2019!

Come and meet Bekaert-Maccaferri at BAUMA 2019!

We love meeting you. So, come and visit our booth C3.241 and have a drink see this map for our location. We will be at the show from the 8th until the 14th of April 2019 in Munich, ... More Information

Major contractors appointed to build Cross River Rail

The Palaszczuk Government has announced the international consortia that have won the three major works packages for the Cross-River Rail Project in Brisbane. The Palaszczuk Government has ... More Information

Robbins at BAUMA

BAUMA is quickly approaching, we’re just a few days away from the world’s largest construction tradeshow. If you’ll be in Munich, Germany between April 8-14, visit Robbins at ... More Information

International Recruitment company iPS signed a personnel partnership with Jan de Nul

International Recruitment company iPS signed a personnel partnership with Jan de Nul

iPS Powerful People – a specialist in Recruitment & Cross- Border payroll services – has signed a new service contract for the provision of personnel services to Jan de Nul on April, ... More Information

Less than a month to WTC 2019!

Less than a month to WTC 2019!

It is less than a month before the beginning of the World Tunnel Congress 2019. This annual international event for the engineering sector is dedicated to underground construction. The congress ... More Information

Breakthrough on the South-Western section of the Big Ring Line

On April 4th 2019 in Moscow, the TBM Polina broke through at the Michurinsky Avenue Station in the south-western section of the Big Ring Line (BCL). The TBM had bored 1.5 km of tunnel from ... More Information

More funding to complete the Adelaide's North-South Corridor

More funding to complete the Adelaide's North-South Corridor

The Morrison and Marshall Governments have put EUR3.43 bn (AUD5.4 bn) on the table towards completion of the final 10.5 km section of the 78km North-South Corridor, between Darlington and the ... More Information

Filling and sealing the Battery Street Tunnel in Seattle

The SR 99 tunnel in Seattle opened to drivers on 04.02.2019. The tunnel and a new Alaskan Way street are designed to work together to replace the functionality of the viaduct. The tunnel provides ... More Information

Robbins – Why choose a crossover?

Robbins – Why choose a crossover?

Ground conditions don’t always fit into one category so why should your machine? Today’s TBMs must adapt to shifting geology from hard rock, to soft soil, to boulders, and everything ... More Information

PPS at BAUMA 2019

PPS at BAUMA 2019

Celebrating the third decade of PPS-Poltinger Precision Systems at BAUMA 2019. PPS have celebrated their 20th birthday in 2018 and we are starting the third decade with a series of product ... More Information

Femern A/S launches major construction works on the Fehmarn tunnel

The political parties behind the Fehmarnbelt Fixed Link project have decided to initiate a number of large construction activities in Rødbyhavn on Lolland. Femern A/S have been requested ... More Information

Blue M4 Metro Line

Blue M4 Metro Line

On the 25th of March the second of two TBMs excavating the tunnels of the Western Section (from S.Cristoforo to Solari), which is part of the Blue M4 metro line in Milan reached the Tolstoj Station. ... More Information

Voting underway to decide on name for first tunnel boring machine

Voting underway to decide on name for first tunnel boring machine

Sirius Minerals - The public have been invited to decide on the winning name for the first of three 1,800 tonne tunnel boring machines (TBM) that will construct Sirius Minerals’ underground ... More Information

Press release – Autopista al Mar 1

STRABAG: Financial close of its project “Autopista al Mar 1” in Colombia completed. USD 713 million project financing Seven international and one national bank are ... More Information

ITACET training courses at WTC 2019

Two ITACET training sessions will be organized on 3rd-4th May during WTC2019. • Tunnelling 4.0 information technology for the design, construction and maintenance of underground ... More Information

More than 25 000 moulds produced all over the world by CBE Group

More than 25 000 moulds produced all over the world by CBE Group

The French company can be proud of very satisfying production results for 2018 : CBE Group exceeds now 25 000 moulds manufactured by its French and Chinese teams since 1987. More Information

CIFA will see you at BAUMA!

CIFA will see you at BAUMA!

CIFA will be showing at BAUMA this year, they will be exhibiting as part of Zoomlion Heavy Industry group (outdoor area 905/2) and CIFA by Euromecc. They will be showcasing their leading products ... More Information

VMT at BAUMA press release

VMT at BAUMA press release

VMT will be 25 years old on the opening day of Bauma2019  VMT is crowning this anniversary with a series of product innovations to be presented for the first time at Bauma. They are the ... More Information

From paving local roads to pioneering the world’s greenest reinforced concrete: how one engineer solidified her career in tunnels

From paving local roads to pioneering the world’s greenest reinforced concrete: how one engineer solidified her career in tunnels

Carola Edvardsen is one of the world’s leading concrete experts, specialised in major international bridge, tunnel and marine projects. But getting to this point was no easy feat and she had ... More Information

Robbins EPB and Conveyors complete complex Lot 5 at Emisor Oriente

Robbins EPB and Conveyors complete complex Lot 5 at Emisor Oriente

Powerful TBM proves itself in both soft ground and hard rock.  On February 28, 2019 a ceremony was held to mark the breakthrough of a machine proven in both soft ground and hard rock. The ... More Information

West Gate Tunnel Project Graduate Program

West Gate Tunnel Project Graduate Program

The 2020 Graduate Program is now open for the Major Transport Infrastructure Authority. If you’re looking for an opportunity to get involved in Victoria’s Big Build in Melbourne ... More Information

Stockholm Metro extension

Stockholm is one of the fastest growing metropolitan regions in Europe. The population is increasing by 35,000 a year. Stockholm needs more housing and better public transportation and as a result ... More Information

TELT – approves call for tenders for French side of the tunnel

On the 11th of March 2019 the board of TELT, the Italian-French company building the tunnel for the Turin-Lyon high-speed rail link, approved the call for tenders for the tunnel, on the French ... More Information

Cool Reflections for Overheating Metros!

Cool Reflections for Overheating Metros!

“Why paint trains with high-performance solar reflective paint ..... .....and fit low emissivity glass windows?” (N.B. The focus of this document is on mixed surface and sub-surface ... More Information

Bergen Point WWTP TBM ready to be shipped to New York

Bergen Point WWTP TBM ready to be shipped to New York

The existing outfall pipe at the Bergen Point Waste Water Treatment Plant (WWTP) in Babylon, Suffolk County, NY, has to be replaced. A 4.33 km (14,200-foot) tunnel, with a 3.05 m (120-inch) inner ... More Information

Sanierungstunnel Belchen - Bi-Component Mixing Plant

Sanierungstunnel Belchen - Bi-Component Mixing Plant

The Belchen Tunnel, built in the 1970s, had to be rehabilitated due to damage to the tunnel support structure. In order to keep the traffic restrictions to a minimum, the Belchen rehabilitation ... More Information

Beyond Tunnelling - a manifesto for national action groups

Through the initiative of ITACUS, THINK DEEP groups have been established in recent years or are in the process of being established in several countries. These groups aim at raising awareness of ... More Information

Westgate update

Assembly is underway on the first of the two TBMs that will build the West Gate Tunnel, the Victoria’s alternative to the West Gate Bridge. It will take around 75,000 working hours to assemble ... More Information

Tunnelling News

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

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