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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

Deer Creek Tunnel Breakthrough

The Deer Creek Tunnel will be approximately 3.9 miles long, extending from Clayton Road in the City of Clayton, to Interstate 44 in the City of Shrewsbury. The tunnel is bored into deep rock ... More Information

Works have started on line 2 of the Sao Paulo metro in Brazil

On 17/01/2020 the Sao Paulo Governor, Joao Doria, and the Secretary Oof Metropolitan Transport, Alexandre Baldy, signed the service order for the immediate start of construction of the metro Line ... More Information

London’s new 1 Billion electricity cable tunnel

London’s new 1 Billion electricity cable tunnel

A new electricity cable tunnel south of the Thames National Grid is looking to renew and improve electricity infrastructure to ensure a continued safe and secure supply to London. Its London Power ... More Information

Tideway - TBM Ursula Half Way Through Her Journey

Tideway  - TBM Ursula Half Way Through Her Journey

Ursula, one of six TBMs being used to dig London's new super sewer, has completed half of her stretch of the main tunnel, passing Waterloo Bridge in the process. In March 2019, Ursula became the ... More Information

Selection process launched for Malta Gozo Tunnel

Selection process launched for Malta Gozo Tunnel

On January 09, 2020 Minister for Transport, Infrastructure and Capital Projects Ian Borg and Minister for Gozo Justyne Caruana, announced Infrastructure Malta is inviting interested companies or ... More Information

Drones to be used to inspect Dubai Metro Tunnels

On January 11th  2020 RTA (Roads and Transport Authority) revealed the intention to start a trial-run of drones to inspect the Dubai Metro tunnels which extend 14 km on both the Red and Green ... More Information

Samoter 31st edition in Verona in March

The 31st edition of SaMoTer, International Construction Equipment Trade Fair will be held from 21st to 25th  March 2020 in Verona, Italy.  The Exhibition is one of the international trade ... More Information

The world's longest and deepest road tunnel opens

On December 30th , 2019 the Ryfylke tunnel - providing a permanent road connection between Strand in Ryfylke and Stavanger on Nord-Jæren - was opened for traffic. It has taken 40 years since ... More Information

Harstad tunnel is now open!

Harstad tunnel is now open!

On January 4th , 2020 the Harstad tunnel (1406 m) was opened to traffic, the tunnel is part of the Harstad package, a EUR164.21 million (NOK 1620 million, value 2016) road package signed by ... More Information

Press release - Sydney Metro tunnelling finishes in city's north

Press release - Sydney Metro tunnelling finishes in city's north

A mega boring machine smashing through a wall of sandstone on the edge of Sydney Harbour has marked the end of tunnelling in the city’s north. Tunnel boring machine (TBM) Mabel has reached ... More Information

2nd TBM for Pune Metro launched

On January 5, 2020 the Minister Of Urban Development Shri Eknath Shinde named the second TBM, after the River Mula. The TBM has been launched from Agriculture College site and it will dig one of the ... More Information

Robbins unveils Largest Hard Rock TBM in the U.S. at Mill Creek

Robbins unveils Largest Hard Rock TBM in the U.S. at Mill Creek

In December 2019, the City of Dallas, Texas, USA unveiled the largest hard rock TBM ever to bore in the U.S. The 11.6 m (38.1 ft) diameter Robbins Main Beam TBM will excavate the 8 km (5 mi) Mill ... More Information

Grand Paris Express - TBM Allison

TBM Allison has reached Villejuif IGR station on Line 14 South after  six months excavation. The station will connect Line 14 South and Line 15 South of the Grand Paris Express (Lot GC02) by ... More Information

Register today for VTA’s BART Silicon Valley Phase II Industry Forum

Register today for VTA’s BART Silicon Valley Phase II Industry Forum

Join VTA’s BART Silicon Valley Phase II Industry Forum to learn about opportunities to participate in building this mega-transit project. This informational forum, to be held on February ... More Information

New breakthroughs on China-Laos railway

Press release - At present, the construction of the tunnels of the China-Laos Railway has entered the dry season. There are continuous reports of tunnel breakthroughs. The companies involved in the ... More Information

WTC 2020 - Early Bird Registration extended

The Early Bird Registration for WTC 2020 is extended until 31st January 2020. The ITA-AITES World Tunnel Congress (WTC) 2020 and 46th General Assembly will take place in Kuala lumpur, Malaysia from ... More Information

Italy/Lazio - Metro C TBMs will reach Piazza Venezia

The Cipe (Interministerial Committee for Economic Planning) at its meeting of 20/12/2019 approved the modification of the perimeter of the T3 section of line C of the Rome underground in order to ... More Information

India - Renames Tunnel under Rohtang Pass

Himachal Pradesh Chief Minister Jai Ram Thakur revealed that the 8.8km Rohtang Tunnel, renamed Atal Tunnel, will be opened by the end of June 2020 and will be inaugurated by Prime Minister Narendra ... More Information

TERRATEC secures AMT-II hard rock TBM order

TERRATEC secures AMT-II hard rock TBM order

Patel Engineering will utilise a TERRATEC open hard rock TBM for the Municipal Corporation of Greater Mumbai’s (MCGM) AMT-II water transfer project, in India.  TERRATEC is pleased to ... More Information

HOCHTIEF Joint Venture to deliver GBP 400 million London Power Tunnels project

A HOCHTIEF joint venture has been awarded with a GBP 400 million contract to deliver the second phase of the London Power Tunnels (LPT2) project. Scheduled to start in March next year, this ... More Information

Coxwell Bypass Tunnel and the Don River and Central Waterfront project

Coxwell Bypass Tunnel and the Don River and Central Waterfront project

Toronto has embarked on the largest and most significant stormwater management program in the city’s history. Over the next 25 years, the City of Toronto’s Wet Weather Flow Master Plan ... More Information

Ceneri Base Tunnel update

On December 15th 2019 the go-ahead was given for the countdown to the opening of the 15.4 km long Ceneri base tunnel. The preview will be between December 12-13, 2020: where the first train will ... More Information

Bekaert takes full ownership of Bekaert Maccaferri Underground Solutions

Bekaert takes full ownership of Bekaert Maccaferri Underground Solutions

At the end of October 2019 Bekaert concluded the buy-out of Maccaferri's 50% share in Bekaert Maccaferri Underground Solutions (BMUS). As a result, the Underground Solutions team will from January ... More Information

Press release - History made under Sydney Harbour

Press release - History made under Sydney Harbour

The first of two metro railway tunnels deep under Sydney Harbour has been completed in an historic milestone for public transport in Sydney. At their deepest point, the tunnels are 40 metres ... More Information

First stretch of super sewer complete as tunnel hits 10km

First stretch of super sewer complete as tunnel hits 10km

London’s new super sewer has reached 10km as the first section of the main tunnel has been completed. Four tunnel boring machines (TBMs) are currently at work deep beneath the city to create ... More Information

Brenner Base Tunnel 50% complete

Brenner Base Tunnel 50% complete

On the 29th of November 2019 the Brenner Base tunnel reached a milestone and is now 50 % complete. So far they have tunnelled 150km of the 230km needed to finish the project. The Brenner Base Tunnel ... More Information

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

Tunnelling News

IN MEMORIAM - OLIVIER VION (1962-2024)

Through the past decades, the energy and foresight to lead the management of the ITA International Tunnelling and Underground Space Association has been in the hands of Olivier Vion, a man ... More Information

Amtrak awards construction contract for East River Tunnel rehabilitation

The $1.6 billion project calls for demolishing all existing tunnel systems down to the liner, then restoring both tubes. During the project, one tube ... More Information

Strabag in €110 million deal to equip transalpine tunnel

Austrian contractor Strabag has won a €110 million (US$120 million) to equip a transalpine tunnel linking Austria and Slovenia... More Information

19 tunnel boring machines for Manila subway set

A close-up of the tunnel boring machine head, with a diameter of 6.9 meters. ... The first cutter head of the first tunnel boring machine (TBM), named ... More Information

$16 billion Gateway Tunnel Project gets federal funding boost after years of delays

The $16.1 billion project includes a new rail tunnel linking New York and New Jersey — and is set to be open by 2035 ... More Information

Preferred bidder announced for second tunnelling contract

The global consortium of WeBuild S.p.A, GS Engineering and Construction Australia and Bouygues Construction ... Tunnel Project, North East Link ... More Information

Bechtel Picked as CM for $12.7B Single-bore BART Extension

Officials with the VTA are aiming to begin major construction and tunnelling for the $12.7-billion BART Silicon Valley Phase II Extension Project next ... More Information

Stonehenge could be put on world heritage danger list over tunnel plan

The United Nations Educational, Scientific and Cultural Organization (UNESCO) has recommended that Stonehenge be listed as ‘World Heritage in Danger’ due to the A303 upgrade scheme and is ... More Information

World’s longest railway tunnel to reopen after a year

The tunnel closed on 10th August last year following the derailment of a freight train, and SBB has since been pushing ahead with repair work... More Information

Afcons Infrastructure Wins Bid for Thane Tunnel Project

Afcons Infrastructure secures the L1 bid for a tunnel project in Thane, marking a significant milestone in infrastructure development. More Information

Kolkata Metro: D-Wall's Construction Work At Victoria Metro Station Is Advancing Swiftly

For the tunnelling work of the stretch from the Khidderpore to Park Street stretch of this Corridor, two Tunnel Boring Machines (TBM) will be deployed ... More Information

K2D Skøyen – Vækerø

Implenia has been awarded the contract for section K2D Skøyen - Vækerø, which is part of the entire Fornebu line that will be completed in 2030... More Information

Massey Tunnel replacement project hits design-build proposal stage

Tunnel replacement project has finally hit the design-and-build proposal stage. The Transportation Ministry announced Wednesday that three bid ... More Information

Barhale wins £36m East London sewer remediation

Thames Water has appointed Barhale to deliver essential remediation works on a Victorian gravity sewer as it passes above the Jubilee Line and Docklands Light Railway in East London... More Information

Reaping Rewards From Continuous Innovation

In boring underground tunnels for Malaysia's MRTs, Gamuda developed the world's first autonomous tunnel boring machine (A-TBM), utilizing in-house ... More Information

5 of the longest tunnels in the world and how they were built

Since the invention of the tunnel boring machine in 1853, engineers have used advanced technology to drill, blast, and bore into the earth. From ... More Information

Femern - inauguration of the first tunnel element

We are pleased to announce that H.M. King Frederik X will take part in the inauguration of the first tunnel element on the construction site on 17 June. H.M. King Frederik X will arrive at ... More Information

HOCHTIEF-MURPHY Joint Venture (HMJV)

A busy first half of the year on the HOCHTIEF-MURPHY Joint Venture (HMJV) Package 5 Headhouses & M&E contract on National Grid’s LPT Phase 2... More Information

Tesla Cybertruck escorts Boring Co's Prufrock-3 tunnel boring machine

The Boring Company's Prufrock-3 tunnel boring machine (TBM) recently completed a tunnel to Giga Texas, and in true Elon Musk fashion, ... More Information

Kazakhstan’s First Automobile Tunnel and Largest Bridge to be Completed this Year

As reported by the Kazakhstan’s Ministry of Transport, Kazakhstan’s first automobile tunnel through the Shakpak Baba Pass and the country’s largest bridge over the Bukhtarma Reservoir ... More Information

HRBT Expansion Project hits big milestone, could be on track for early completion

The tunnel boring machine, known as Mary ... construction of our two new bored tunnels,” said Project Director Ryan Banas... More Information

TBMs Pass Factory Test For Lesotho Highlands Water Project

A team of engineers and tunnel experts from the Lesotho Highlands Development Authority (LHDA) together with consultants and contractors working on the Polihali transfer tunnel recently ... More Information

Royal Cargo opts for Goldhofer heavy transport equipment

It has also been in action moving tunnel boring machines (TBM) for the Metro Manila Subway project ... machine part posed a significant challenge due ... More Information

Tunnel breakthrough on NI Water's £7.8M Portadown wastewater project

The tunnel boring machine excavated roughly 1,000m3 of material, which would have risen to 8,000m3 of spoil with a more traditional open-cut method. More Information

The Boring Company announces Cybertunnel at Tesla Texas HQ

In January, the company's latest tunnel boring machine (TBM), Prufrock 3, was first spotted near Tesla's Giga Texas. Prufrock-3 has ... More Information

How do you build tunnels and bridges underwater?

Underground construction usually uses powerful tunnel-boring machines to excavate soil directly. This machine is often called a mole for a reason. More Information

Five Huge New Construction Projects Coming To The US

A spokesperson for the project told Newsweek: "The Hudson Tunnel Project is a generational investment that is expected to create 95,000 new jobs and ... More Information

Chennai Metro Corridor 3: Adyar River Tunnel Work Hampered By Geological Setbacks

For the stretch between Greenways Road and Adyar, CMRL engaged two TBMs, 'Kauvery' and 'Adyar.' These machines were launched from Greenways Road ... More Information

French and Danish firms to build Valby 'cloudburst tunnel'

The underground tunnel will be 2,380m long and will be constructed as a drilled tunnel with an internal diameter of 3.4m. The tunnel will have the ... More Information

Howard's approved budgets include $44.9M for Ellicott City tunnel

The Howard County Council has approved a $2.4 billion operating budget for fiscal 2025, along with a $413 million capital construction budget that ... More Information

DC Water Breaks Ground On Potomac River Tunnel Project

DC Water on May 21 hosted a groundbreaking ceremony to officially commence construction activities for the Potomac River Tunnel Project... More Information

Silvertown Tunnel portal connections completed

A complete transformation of the tunnel shape was needed to connect the circular tunnel boring machine (TBM) constructed ... More Information

The $4BN Tunnel to Save Stockholm - The B1M

Above: A tunnel entrance under construction. When it completes in 2030, the $4BN project will be one of the longest road tunnel systems in the world. More Information

OHLA awarded the Gjønnes tunnel in Norway for nearly 160 million euros

The Norwegian Public Roads Administration (Statens Vegvesen) has awarded the company the design and construction of the Gjønnes tunnel for 156 ... More Information

Utilities tunnel dug through 'challenging' ground conditions under River Tees

Main contractor Farrans Construction worked with specialist contractor Joseph Gallagher to construct the tunnel. During its five weeks of tunnelling ... More Information

China develops world's first boring and blasting machine

In a groundbreaking development, the world's first boring and blasting machine, jointly developed by Tsinghua University and China Railway Science and Industry Group, has successfully ... More Information

Tunnel boring machine wedged in hard rock, leaving Snowy 2.0 hydropower project with new issues

Tunnelling problems are plaguing the $12 billion Snowy 2.0 hydropower project, with a boring machine previously bogged in soft ground now wedged in ... More Information

Construction Complete On New High-Speed Rail Tunnel

Inside the completed Desheng Tunnel, and inset, a Chinese high-speed train. Work on the project is now complete. © China ... More Information

DC Water Breaks Ground on Potomac River Tunnel Project

The Project consists of a large-diameter deep sewer tunnel, diversion facilities, drop shafts, and support structures to capture flows from existing ... More Information