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TBM Coline starts work for the Lyon Metro B extension

TBM Coline starts work for the  Lyon Metro B extension

TBM Coline has now begun tunnelling for the Lyon Metro B extension. It has taken over two months to assemble this variable density TBM. The TBM type was chosen by Sytral due to the geological ... More Information

Two Robbins Crossover TBMs to Bore Second Severomuysky Tunnel

Two Robbins Crossover TBMs to Bore Second Severomuysky Tunnel

In 1979, a 4.56 m diameter Robbins Double Shield TBM was delivered to bore the Severomuysky Service Tunnel, a 15.3 km long railway through the remote mountains of Siberia. Now, 40 years after the ... More Information

Rijnlandroute tunnel halfway complete

Rijnlandroute tunnel halfway complete

The TBM Mixshield Gaia, involved in the construction of the N434 Rijnlandroute tunnel, between the A4 at Leiden and the A44 at Wassenaar has now completed 50% of its tunnelling. The two tubes, 2 ... More Information

Works for Erjos Tunnel in Tenerife begin

Works for Erjos Tunnel in Tenerife begin

The works to complete Tenerife’s motorway ring road started on the 25th November 2019. The project, which has an investment of EUR 240.4 million and has to be completed within 48 months, is a ... More Information

Schoema at STUVA 2019

Schoema at STUVA 2019

German specialist locomotive and rolling stock manufacturer Schoema will be exhibiting at STUVA 2019 in Frankfurt between November 26th -27th . Schoema manufactures the most robust and durable ... More Information

Press release - Las Vegas Convention Center Makes History as Elon Musk’s The Boring Company Begins Tunneling

LAS VEGAS – The Las Vegas Convention and Visitors Authority (LVCVA) today began tunnelling the future of transportation in Las Vegas as Elon Musk’s The Boring Company (TBC) began work on ... More Information

The ITA Tunnelling awards - The winners for 2019

Since 2015, the international competition ITA Tunnelling Awards seeks and rewards the most ground-breaking innovation and outstanding projects in tunnelling and underground space use. This year the ... More Information

The Riachuelo environmental restoration update

The Riachuelo environmental restoration project is the excavation of a nearly 12 km long outfall tunnel, under the River Plate in Argentina. Lot 3 of the megaproject was devised by the government to ... More Information

Introducing The mini-HELI Antenna Range From Poynting Antennas

Poynting have an established history of providing circular polarised antennas for mine tunnels internationally. The MinePoynt (HELI) range of antennas are well established for several years ... More Information

Central Interceptor Project New Zealand

Central Interceptor Project New Zealand

The TBM that will be used for the excavation of the Central Interceptor Project has officially been ordered. The Central Interceptor is New Zealand’s largest ever wastewater tunnel, that will ... More Information

Gateway Hudson Tunnel Project - Update

The Gateway Program partners continue to advance with the engineering and design of the Hudson Tunnel Project with dozens of “geotechnical borings” to be conducted along the proposed ... More Information

TBM Coline named for Metro B extension in Lyon

TBM Coline named for Metro B extension in Lyon

The TBM, that will excavate the2.4 km extension of the metro line B of Lyon from Saint-Genis-Laval to Oullins, has been christened Coline. The machine will drive a single tube tunnel with a 8.5 m ... More Information

Systemair - Oddernes and Banehei road tunnels ventilation complete

Systemair has supplied 122 jet fans - with a 630 to 1250 mm diameter – for the Oddernes and Banehei E18 road tunnels in Norway. Due to the presence of entrance and exit ramps and to the ... More Information

Robbins and iPS Webinar postponed

The date of the Robbins and iPS Webinar on Rescuing & Refurbishing TBMs has been postponed until November 21st , 2019. For further information please visit ... More Information

TERRATEC EPBMs gear up for tunnelling on Pune Metro

TERRATEC delivers the first two of three TBMs that will be used by Gulermak-Tata Projects JV for the underground works on Line 1 of the Pune Metro, in India. TERRATEC is pleased to announce the ... More Information

Melbourne Metro update - Joan and Meg start tunnelling

Melbourne Metro have reached a major milestone with tunnelling starting on the North Melbourne to Kensington section of the Tunnel Project. Tunnel boring machine (TBM) Joan was the first to break ... More Information

Second mega borer breaks through for Sydney Metro at Martin Place

Tunnel boring machine (TBM) Mum Shirl has broken through a wall of rock into the new Martin Place Station in the heart of Sydney. Mum Shirl has excavated about 650,000 tonnes of rock – enough ... More Information

Zheleznitsa tunnel update

The Joint Venture working on the Struma motorway (Bulgaria) which consists of GP Group (48%), Global Construction (48%) and Via Plan (2%) has now started construction of the 2km Zheleznitsa tunnel ... More Information

Grand Paris Express – Update

Grand Paris Express – Update

Line 14 - On the 12th October 2019 during the KM7 event at the Saint-Denis Site, the name of the third TBM to be used for the  line 14 construction on the Grand Paris Express was announced. The ... More Information

New Fornebu Line from Oslo to Baerum

The  new Fornebu Railway/Fornebu line/Fornebubanen will be an 8 km extension of the Oslo Metro. This will connect the Fornebu peninsula in Baerum to the existing Majorstuen T-rail ... More Information

Press release - First tunnelling machine breaks ground on super sewer

Balfour Beatty, alongside its joint venture partners Morgan Sindall and BAM Nuttall has seen one of their two tunnelling boring machines (TBM) become the first to break through the ground to ... More Information

TfL unlocks Silvertown contract while legal battles continue

Transport for London (TfL) has unlocked the award of the GBP1bn Silvertown Tunnel contract, despite the ongoing legal action over its procurement. TfL now hopes to sign a contract with the ... More Information

10th International Conference Tunnel Safety and Ventilation

Between the 21st and 22nd of April 2020  the 10th International Conference of Tunnel Safety and Ventilation will be held in Graz, Austria. Technical visits will be organized on April 20th, ... More Information

TERRATEC RBM completes first shaft at Buriticá gold mine

TERRATEC RBM completes first shaft at Buriticá gold mine

TERRATEC recently celebrated the successful completion of a 300m deep, 4.1m diameter, ventilation shaft at the Buriticá mine development project, in Colombia. Peruvian mining contractor ... More Information

CIFA and Zoomlion Capital launch financial services for Europe

CIFA with Zoomlion Capital, its captive finance company, have launched a new range of financial services aimed at increasing its market presence in Europe.  This new offering, developed in ... More Information

New milestone on Mumbai Metro's Line 3.

On October 22nd the L&T-STEC JV and MMRC achieved the 21st Breakthrough for Mumbai Metro's Line 3 at Churchgate Station part of Package 1. The breakthrough of Robbins Crossover XRE TBM Surya-II ... More Information

Major Milestone for Albvorland Tunnel project

On the 29th of October 2019 TBM Wanda broke through at Wendlingen am Neck for the Albvorland southern tube. The construction of the 8,176 m Albvorland tunnel, a key section of the new 60-km-long ... More Information

CP Technology – Precast Solutions

Press release - Know Your Precast, the innovative Italian solution for the prefabrication world.  CP Technology Srl, is a company that is growing rapidly with its innovative carousel ... More Information

Construction of Sydney's Metro West to start next year

Construction of Sydney's Metro West to start next year

Construction will soon begin in Sydney on Metro West, with 7 station locations confirmed  at Westmead, Parramatta, Sydney Olympic Park, North Strathfield, Burwood North, Five Dock and the Bays ... More Information

ITA Tunnelling Awards

"Tunnels: a resilient link between past and future" was at the centre of the debates of the World Tunnel Congress 2019, held in Naples. Focusing on repair and maintenance anticipation for ... More Information

Visit TERRATEC at the following exhibitions before the end of 2019

TERRATEC are a silver sponsor the Tunnel Association Canadas Technical Workshop - which will be held at the  Delta Hotel, Winnipeg, MB, Canada from the 21st until the 22nd of October. The ... More Information

Systemair supply jet fans for Klimkovice Tunnel

Systemair supply jet fans for Klimkovice Tunnel

Systemair have manufactured jet fans for the 1km twin tube  Klimkovice tunnel on the D1 motorway in the Czech Republic.  There are 16 jet fans in total each one is 1120 mm in diameter, has ... More Information

Robbins and iPS Webinar – 30th October 2019 - Rescuing and Refurbishing TBMs - register for free today!

Robbins and iPS Webinar – 30th October 2019 - Rescuing and Refurbishing TBMs - register for free today!

Webinar Summary - Detlef Jordan, Robbins and Barrie Willis, iPS –  TBM maintenance: it’s one of the most important factors predicting project success, but it is often treated with ... More Information

Press release - New microtunneling and pipejacking solution from PPS

Press release - New microtunneling and pipejacking solution from PPS

PPS has more than 40 years of experience in the field of underground survey and guidance systems.  With our microtunneling and pipejacking solution PPS-PJ, we created an outstanding ... More Information

Sydney Metro tunnels reach Martin Place

Sydney Metro tunnels reach Martin Place

Sydney’s new twin metro railway tunnels are now 70% complete as tunnelling reaches the heart of the city deep under Martin Place. TBM Nancy has arrived at the new Martin Place Station, 28 m ... More Information

BaneNOR Railway Tender Conference 2019

Bane NOR invites suppliers to its Tender Conference where it will present upcoming plans about railway systems. The conference will be held on Wednesday, November 27th 2019, from 11.00 until 16.00, ... More Information

Tunnelling News

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

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