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CODEL – tunnel analysers

CODEL – tunnel analysers

CODEL were the first company in the industry to sell dedicated tunnel analysers in the market, releasing the TunnelMaster in 1999. Prior to this, adapted stack emissions analysers for CO and ... More Information

North East Link TBMs on the way

Two giant TBMs - 90m long, 15.6 m in diameter and 4000 tons in weight - have been ordered from the German supplier Herrenknecht to help build the North East Link’s 6.5km road tunnels that ... More Information

Construction starts on Suburban Rail Loop East

A massive program of early construction work has kicked off in Clayton today for the Suburban Rail Loop (SRL) with the laying a new 630m sewer pipe – dug by a remote-controlled ... More Information

8th Edition of the ITA Tunnelling awards

Since 2015, the international competition "the ITA Tunnelling and Underground Space Awards" seeks and rewards the most ground-breaking innovation and outstanding projects in tunnelling and ... More Information

NAT 2022

The North American Tunneling (NAT) Conference – will be held in Philadelphia from 19-22 June 2022 - is the premier biennial tunneling event for North American tunnelling. This four-day ... More Information

Cross River Rail Project – June Updates

Cross River Rail Project – June Updates

The final delivery of railway tracks arrived at the Northern Tunnel Portal site in May 2022. In total, 9,570 m of railway tracks have been delivered to site and will be installed in the northern ... More Information

New Submission Deadline: 20 June 2022

New Submission Deadline: 20 June 2022

In response to the overwhelming demand, the deadline for the World Tunnel Congress 2023 for Abstracts' Submission is now extended to the 20 June, 2022.  This is your last chance to show your ... More Information

A fleet of TERRATEC EPBMs gear up for action on Chennai Metro Phase-II Tunnelling

A fleet of TERRATEC EPBMs gear up for action on Chennai Metro Phase-II Tunnelling

TERRATEC is pleased to announce the delivery of the first of five 6.61m diameter Earth Pressure Balance Tunnel Boring Machines (EPBMs) that will be used by Tata Projects Ltd. for its underground ... More Information

Algiers Metro Breakthrough

Kahina the TBM built by SELI Overseas, who were employed by Algiers Metro has broken through. The 1380 m tunnel is the longest of the 9.6km El-Harrach – Aeroport section ... More Information

TLT-Turbo GmbH a Single-Source Solution

TLT-Turbo GmbH a Single-Source Solution

For over fifty years, TLT-Turbo has developed first-of-their-kind, fine-tuned, and advanced ventilation systems for road, railway and metro tunnels. TLT-Turbo focuses on the system as a whole to ... More Information

Epiroc launches new digital solutions for tunnelling construction

Press release - Epiroc expands its digital solutions portfolio within the construction industry by launching Mobilaris Tunnelling Intelligence, a decision support system for tunnelling ... More Information

WTC2023 - Abstracts' Submission

WTC2023 - Abstracts' Submission

Don’t miss the chance to publish your research/best practices at WTC2023: the deadline of the WTC2023 Abstracts' Submission, is quickly approaching. We would like to thank those who have ... More Information

BBT – Breakthrough in the Brenner Base Tunnel

BBT – Breakthrough in the Brenner Base Tunnel

On the 19/05/2022 at 13h45 an excavator broke through between lot H71 Eisack undercrossing (built by Webuild) and Lot Mules 2-3 (built by Webuild and Ghella), on the Italian side of the East line ... More Information

The Norrbotnia/ North Bothnia Line

The Norrbotnia/ North Bothnia Line

The EUR3.84 bn (SEK40 bn) Norrbotnia/ North Bothnia line is a 270 km new coastal railway between Umea and Lulea for faster, safer and more environmentally friendly travel and transport, which ... More Information

Robbins TBM takes on Karstic Limestone below St. Louis

Robbins TBM takes on Karstic Limestone below St. Louis

In Spring 2022, a specialized Robbins 4.1 m (13.5 ft) diameter Main Beam TBM launched in St. Louis, Missouri, USA, to complete a critical infrastructure tunnel for contractor SAK Construction. The ... More Information

The UDLP on display for the North East Link Tunnels for comment ahead of major construction.

Before major construction of the North East Link Tunnels gets underway, North East Link Program (NELP) is asking the local community what they think of the look and feel of what’s planned for ... More Information

Construction begins on Fehmarnbelt Tunnel entrance

On the 5th  May works officially began on the Fehmarnbelt tunnel portal on the Danish side, where train and car traffic will in future run through the 18-km-long tunnel to Germany. A ceremony ... More Information

The Elizabeth line set to open on Tuesday 24 May 2022

The Elizabeth line in London will open on the 24th  May 2022, with full services across the entire route introduced by May 2023.  The new railway being delivered by Crossrail Ltd will run ... More Information

Statens Vegvesen will prioritize 20 Norwegian road projects, worth EUR15bn.

On the 10/05/2022 and for the first time, the Norwegian Public Roads Administration has made a list of prioritized 20 road and tunnel projects for the next 6 years at an estimated cost of ... More Information

ECRL Project in Malaysia update

ECRL Project in Malaysia update

The construction of the 665 km East Coast Rail Link (ECRL) project has recorded overall progress of 28.57 %. The percentage includes construction works in four states, namely Kelantan, Terengganu, ... More Information

Kuwait - Sea Outfall tunnel for Umm Al Hayman Wastewater Treatment Project Completed

On the 10/05/2022 the joint venture between Al Hassanain (AHC) and Joseph Gallagher Limited (JGL) completed the 1,960 m Sea Outfall tunnel with an internal diameter of 2.2m, part of the Umm Al ... More Information

BBT – Excavation has started at the H52-Hochstegen construction lot in Austria

On 04/05/2022 a ground breaking ceremony was held for Lot H52 Hochstegen in the presence of Maria Lorenzatto, godmother of the tunnel, along with the various authorities and companies involved. The ... More Information

Normet acquires Aliva Equipment assets to strengthen its sprayed concrete offering

Normet has entered into an agreement with Sika to acquire its Aliva Equipment business assets. With the acquisition, Normet supports its growth strategy by strengthening its offering in sprayed ... More Information

VTA Board Approves First Major Contract of BART Extension to Downtown San Jose/Santa Clara

Press release - At its May 5th regular board meeting, the Santa Clara Valley (VTA) Board of Directors voted unanimously to authorize the General Manager/CEO to execute the first in a series of ... More Information

The Norwegian Public Roads Administration and Bane NOR sign a cooperation agreement

The Norwegian Public Roads Administration and Bane NOR sign a cooperation agreement

Press Release - The Norwegian Public Roads Administration and Bane NOR signed a cooperation agreement on the €4.5 bn Arna-Stanghelle Joint Project After six years of planning, the mega-project ... More Information

Grand Paris Express - First breakthrough on Line 18

Grand Paris Express - First breakthrough on Line 18

On 25/04/2022 the TBM Caroline reached the future Antonypole station in the Antony municipality for Line 18, of the Grand Paris Express project. The TBM - launched in December 2021 from the Marechal ... More Information

TBM Underway again! Dame Whina Cooper sets off on second tunnel dig

TBM Underway again! Dame Whina Cooper sets off on second tunnel dig

On 26/04/2022 the Dame Whina Cooper TBM - 130 m-long, 7.15 m-diameter and 910 t-weight – has been declared ready to bore and has been launched from 110 m within a mined tunnel at City Rail ... More Information

TERRATEC EPBM completes Bangkok Rama III Cable Tunnel Project

TERRATEC EPBM completes Bangkok Rama III Cable Tunnel Project

TERRATEC is proud to announce the completion of the Rama III Tunnel Project in Bangkok, Thailand. The tunnel was completed using a TERRATEC 4.27m diameter TBM EPB.  It successfully holed ... More Information

Tunlift, the perfect solution for tunnel maintenance

Tunlift, the perfect solution for tunnel maintenance

Tunlift is a variable geometry lifting platform that has been specially developed by professionals in the sector. The "tunnel inspection" platform is based on a patented principle that allows ... More Information

Turin/Lyon - 10.5 km of the Base Tunnel completed

On the 28/04/2022 at Saint-Martin-la-Porte, in Val Maurienne, France excavation of the first 10.5 km of the Turin-Lyon base tunnel has now been completed:- click here for a video. At around 11:00 ... More Information

Second TBM starts her journey on the West Gate Tunnel

TBM Vida - 15.6m in diameter, 90m long and weighing 4000 t - is now on her way digging the 2.8km inbound tunnel for the West Gate Tunnel Project. Vida’s journey will take 12 months, with the ... More Information

Cross River Rail - Northern Tunnel Portal construction update

The TBMs - used for excavating the Cross River Rail’s tunnel in Brisbane - have now been taken away from site, allowing the gantry crane to be removed as well: click here for the video. ... More Information

Public comment period open on Massey Tunnel replacement

The early engagement phase of the environmental assessment process is underway for the proposed toll-free eight-lane tunnel to replace the aging George Massey Tunnel.   The proposed ... More Information

Equipment arrives for Broadway subway project

The first shipment of parts for the TBM that will dig the Broadway subway project tunnels has arrived in British Columbia.   The TBM components left Germany on 25/02/2022 and sailed ... More Information

Lower Thames Crossing invites shortlisted bidders to participate in dialogue

Press release - National Highways has (Tuesday 26 April 2022) invited shortlisted bidders to participate in dialogue for the £2.3 billion contract to build the tunnel and approach roads for ... More Information

Tunnelling Continues for the Clearwater Project

Tunnelling Continues for the Clearwater Project

A TBM named Rachel continues to build a 5.49 m (18-foot) internal diameter tunnel for the Joint Water Pollution Control Plant (JWPCP) in Carson towards Royal Palms Beach in San ... More Information

Tunnelling News

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

Metrolinx reveals names of Ontario Line tunnel boring machines

Following a contest, Metrolinx has officially named its two massive tunnel boring machines Libby and Corkie... More Information

Montreal blue line metro tunnel boring machine has arrived, time to dig

It's basically building the backbone of the blue line extension,” said project chief Maha Clour, pointing out that crews have reached the bottom of ... More Information

Norway Unveils The World's Longest Road Tunnel In A Majestic Engineering Marvel

The construction cost broke down to about 38,000 NOK (roughly £3,500) per meter, an impressive figure considering the complexity and scale of the ... More Information

Sydney Metro West construction captured on video ahead of 2032 opening

Two giant tunnel boring machines have made their way through the deepest section of Darling Harbour as part of works on the new Metro West. More Information

Bengaluru's ₹18,000-crore tunnel road project inches closer as four major firms submit bids

Four firms bid for Bengaluru's ₹18000 crore tunnel project linking Hebbal to Silk Board, expected to ease city traffic by 2029 under a 34-year ... More Information

Webuild advances Rocchetta Tunnel excavation

Upcoming construction milestones. Webuild is preparing for the next major phase on the Apice–Hirpinia section: the launch of the reinforced concrete ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Kathmandu-Tarai Expressway achieves 43.3% progress

The total length of the seven tunnels under the project is 10.979 km. ... Construction progress for the Chandram Bhir tunnel. (2,250 metres) has ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Hong Kong: Robotics And AI Enhance Tunnel Construction

It is leveraging artificial intelligence (AI), robotics and automation to advance the Trunk Road T2 and Cha Kwo Ling Tunnel project. These ... More Information

Single-Bore Tunnel Method Chosen for BART Silicon Valley Phase II

This decision allows VTA to advance project design towards 60%, stay on a critical path to tunnel construction and meet the projected revenue service ... More Information

Boring Co. begins 'controlled blasting' for Nashville tunnel at TN capitol

The Boring Co. has started excavation work at a state-owned parking lot on Rose Parks Boulevard for the Music City Loop project Wednesday, Aug. 13, ... More Information

TBM arrives in Montreal for delayed metro extension project

A custom-built tunnel boring machine (TBM) has arrived in Canada for use on a 6km extension of the Montreal Metro... More Information

Spain Confirms Feasibility of €8.5 Billion Morocco-Europe Tunnel

The study was conducted by German company Herrenknecht, the world leader in tunnel boring machines, at the request of the Spanish government's ... More Information

TxDOT spends $748M to burrow bus-size tunnels under Central Austin

The first tunnel boring machine will be deployed near ... Industry experts say tunnel boring machines typically advance about 50 feet per day. More Information

6 TBMs on Duty on the 27-Kilometer Line in Körfezray

Two of the six Tunnel Boring Machines (TBMs) that will serve in the first 27-kilometer phase are actively excavating tunnels, while the ... More Information

Construction on HS2's Euston tunnel will start 'fairly soon', says rail minister

Construction on the HS2 tunnel from Old Oak Common station to Euston station will start “fairly soon”, the rail minister has said... More Information

Blue Line Extension TBM Arrives at Port of Montreal

Railway Track and Structures Construction site of the future Vertières station (Pie-IX) in June 2025. Caption and photo courtesy of STM. MONTREAL - The tunnel boring machine (TBM) ... More Information

Tunnel break through milestone for Mt Messenger Bypass project

A 110 tonne excavating machine, called Hinetūparimaunga, has broken through at the northern end of the project's 235 metre-long tunnel ... More Information

$3.9 billion tunnel and bridge link for VA

Costing around $3.9 billion, the Hampton Roads Bridge-Tunnel (HRBT) upgrade Expansion project for Virginia will improve traffic flow for a key ... More Information

Extended North Tunnel Flood Mitigation Project Receives $18.2 Million in State Funding

The funding advanced by the board includes a $17.2 million loan and $1 million grant for the construction of the mile-long tunnel, which will divert ... More Information

Gateway Project faces new uncertainty amid government shutdown

Federal funding for the $16B Hudson Tunnel Project, aka Gateway, has been paused during the government shutdown, sparking political backlash. More Information