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Grand Paris Express update

Grand Paris Express update

On Saturday 14th September, 2019 at the Braque pit site in Aulnay-sous-Bois the first TBM for the Grand Paris express was christened. The TBM was named Armelle after Armelle Martin who saved a ... More Information

ITA TUNNELLING AND UNDERGROUND SPACE AWARDS - FOUR FINALISTS FOR THE MAJOR PROJECT OF THE YEAR

ITA TUNNELLING AND UNDERGROUND SPACE AWARDS -  FOUR FINALISTS FOR THE MAJOR PROJECT OF THE YEAR

Four finalists have been announced for the major project of the year category which focusses on ‘Managing Urban Expansion’. The awards will be held in Miami, USA from the 18th to the ... More Information

Penang Undersea Tunnel updates

Penang is planning a massive transportation network that includes four highways, an eight-lane highway in the Persiaran Gurney, a light-rail transit (LRT) and an undersea tunnel. The ... More Information

Mapei Underground Technology Team

Mapei Underground Technology Team

Mapei's response to the growing demand from the construction market was to create their Underground Technology Team and product line. The Underground Technology Team (UTT), is dedicated ... More Information

The UK’s newest skills academy finally opens its doors

The UK’s newest skills academy finally opens its doors

 A pioneering civil engineering skills academy unlike anything else in the North East has been officially opened in Hartlepool.   The new skills academy from Seymour Civil ... More Information

Heung Yuen Wai Highway - Hong Kong

Atkins, a member of the SNC-Lavalin Group, is proud to have contributed engineering excellence to the Heung Yuen Wai Highway in Hong Kong. The major transport infrastructure project will promote ... More Information

Federal Funding Allocation for BART Silicon Valley Phase II project

Federal Funding Allocation for BART Silicon Valley Phase II project

The U.S. Department of Transportation’s Federal Transit Administration (FTA) allocated EUR113.15 million (USD125 million) to the Santa Clara Valley Transportation Authority (VTA) for the Bay ... More Information

Victorian Tunnelling Centre

Victorian Tunnelling Centre

An Australian-first tunnelling training centre will open next year in Oakleigh. The centre will train thousands of local workers to deliver tunnel projects in Victoria - including the Metro ... More Information

ExpoFerroviaria 2019

ExpoFerroviaria 2019

Its less than a month to go before the next edition of EXPO Ferroviaria in Italy. The EXPO will take place from the 1st to the 3rd of October at Rho Fiera in Milan.  The event is for the ... More Information

Forrestfield-Airport Link - TBMs Grace and Sandy completed 70% per cent of tunnelling.

TBM Grace has now tunnelled more than 5.6km and installed more than 3300 rings, on her journey to Bayswater. Grace is now tunnelling in Ascot - underneath the Tonkin Highway road reserve and is ... More Information

Final pieces in place for West Gate TBM

Final pieces in place for West Gate TBM

The final parts of the TBM Bella, the largest in the southern hemisphere have been lifted into place to start digging the West Gate Tunnel in Melbourne. The 450-t cutterhead has been lowered 27 m ... More Information

Another breakthrough for Sydney Metro’s mega borers

Another breakthrough for Sydney Metro’s mega borers

A second mega boring machine has arrived deep under the Sydney central business district at the new Pitt Street metro railway station. Tunnel Boring Machine (TBM) Mum Shirl started digging from ... More Information

Tunnel Boring Machines in Difficult Grounds 4th International Conference

Tunnel Boring Machines in Difficult Grounds 4th International Conference

The TBM DiGs conference will be held from November 13th  – 15th , 2019 in Golden, Colorado USA. TBM DiGs is an international conference series that provides a specialized technological ... More Information

Bekaert Maccaferri Underground Solutions - Synmix® HP 55

Bekaert Maccaferri Underground Solutions - Synmix® HP 55

WHAT IS SYNMIX® HP?  - Synmix® macro synthetic fibres, from industry specialist Bekaert, have set a new standard for safety reinforcement with their light weight, easy to handle ... More Information

Senior Tunnel Engineer Dominic Reda Presenting at the 12th Annual Breakthroughs in Tunneling Short Course in Denver, Colorado

GALL ZEIDLER Consultants,  Senior Tunnel Engineer Dominic Reda will be presenting at the 12th Annual Breakthroughs in Tunneling Short Course in Denver, Colorado September 9th – 11th . ... More Information

Jinan Yellow River Tunnel Project

In September, 2019 China started the shield excavation of the Jinan Yellow River Tunnel, known as the "first” tunnel of the Wanli Yellow River according to the China Railway Construction ... More Information

Press release - Small Robbins Double Shield makes a Monumental Achievement

Press release -   Small Robbins Double Shield makes a Monumental Achievement

Compact TBM bores longest Rock Tunnel at 2.46 m Diameter In August 2019, a small diameter Double Shield TBM made a big impact. The 2.46 m (8.07 ft) diameter Robbins machine completed 3,475 m ... More Information

North East Link public hearing update

The Public Hearing for the North East Link Environment Effects Statement (EES) which began on the 25th July will reach its conclusion in mid – September 2019. Any individual and any groups ... More Information

Strengthened Financial Plan for Hudson Tunnel Project Trims USD1.4 Billion

Strengthened Financial Plan for Hudson Tunnel Project Trims USD1.4 Billion

In June 2019 the Gateway Development Commission became a bi-state organization, with new authority and ability to receive the federal grants and loans necessary to deliver the Gateway Program of ... More Information

Line 4 Metro Bucharest - Preliminary design update

Line 4 Metro Bucharest - Preliminary design update

The Feasibility Study and Preliminary Design  for the Lac Straulesti – Gara Progresu Metro Line 4/Green Line extension in Bucharest has been completed. Metrorex the operator of the ... More Information

ICE learning programme gains US accreditation

ICE is pleased to announce its first learning programme which has been accredited for US Professional Development Hours (PDH).   This programme, located on the ICE Learning Hub, has been ... More Information

Albvorlandtunnel: TBM Sibylle arrives in Wendlingen

Albvorlandtunnel: TBM Sibylle arrives in Wendlingen

On August 11th 2019 TBM Sibylle the first of two TBMs involved in the construction of the Albvorland tunnel, completed  7,700 m of the northern tube  after only 18 months. The Albvorland ... More Information

Sydney Metro update

Sydney Metro update

On August the 16th TBM Nancy broke through a wall of rock at the site of the future Pitt Street Station, about 20m below the heart of Sydney’s CBD. Nancy had clocked up 6km of tunnelling ... More Information

TERRATEC TBM completes first tunnel for Mumbai Metro

TERRATEC TBM completes first tunnel for Mumbai Metro

HCC-MMS JV achieves major milestone with Terratec machine having broken through on the first full section of running tunnel to be completed for Mumbai Metro Line 3, in India. In early-August, ... More Information

8th Cutting Edge Conference

8th Cutting Edge Conference

From the East to the West Coast, North America’s tunnelling industry is flourishing. In 2019, the eighth annual Cutting Edge Conference will be held in Hilton Miami Downtown, Florida from ... More Information

Mumbai Metro Line 3 renamed as Aqua Line

Maharashtra Chief Minister Devendra Fadnavis on Friday unveiled the rolling stock model of Metro Line 3, which has been named AquaLine. The MMRC (Mumbai Metro Rail Corporation) has awarded the ... More Information

Blog by Steve Smading – The Robbins Company

Blog by Steve Smading – The Robbins Company

3 Ways to Bore More Efficiently in Extremely Hard Rock: Maximize your TBM Advance through Minimized Downtime When the rock seems unbreakable, stresses are multiplied: The cutters must be stronger, ... More Information

Russia - Moscow Underground updates

Russia - Moscow Underground updates

Extension of the Kommunarskaya Line On 20 August, at the meeting of the Urban Planning Commission, the project for the extension of the Kommunarskaya line of the Moscow metro to the city of Troitsk ... More Information

Tunnel under Monte Tondo in Bolzano, Italy

On the 21st of August a summit to establish the next steps for the construction of the 2.5km road tunnel under Monte Tondo was held. The interested parties were the Municipality, the Province of ... More Information

EnigmaCG’s 5th Annual Conference on Innovation in Tunnels: Construction, Maintenance, Safety & Fire Protection

EnigmaCG’s 5th Annual Conference on Innovation in Tunnels: Construction, Maintenance, Safety & Fire Protection

With over 55 live tenders for construction/development of new tunnels in just Spain, Switzerland, Italy and Belgium at the time of writing this, it is safe to say that tunnel construction/ ... More Information

Delaware Aqueduct Bypass Tunnel breakthrough

A Tunnel boring machine built by the Robbins company “holed through” Tuesday morning, breaking through shale bedrock in Dutchess County to complete its excavation on the $1 billion ... More Information

The ITA Tunnelling Awards Shortlist 2019

The ITA Tunnelling Awards Shortlist 2019

Press release - The 17-strong expert judging panel, chaired by the ITA President Jinxiu (Jenny) Yan, has concluded its deliberations and based on detailed evaluation, 32 entries have been chosen ... More Information

Short courses on tunnelling - Nepal

Short courses on tunnelling - Nepal

Dr. Manoj Verman, President of a new ISRM Commission on Hard Rock Excavation, will be the speaker for two short courses on tunnelling to be held at the Radisson Blu, Kathmandu, Nepal from the ... More Information

Brescia – Verona – Padova Railway

Brescia – Verona – Padova Railway

On July 3, 2019 the MIT (Ministero delle Infrastrutture e dei Trasporti) completed the evaluations for the new Brescia – Padova High Speed/High Capacity railway section and have now ... More Information

Second TERRATEC EPBM delivered for Argentina’s landmark Agua Sur water tunnel project

Second TERRATEC EPBM delivered for Argentina’s landmark Agua Sur water tunnel project

The second of two new 4.66m diameter TERRATEC Earth Pressure Balance TBMs to be delivered for a 13.5km potable water tunnel system, in Buenos Aires, Argentina.  At the end of July, ... More Information

STUVA 2019

STUVA 2019

The final sprint: Only 5 months to go to STUVA Expo 2019 - Register now! Reserve your trade fair stand for STUVA Expo 2019 now from the 26th to the 27th of November 2019. Take advantage ... More Information

Tunnelling News

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

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