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Geothermal Energy from the Base Tunnel to power the Susa Valley construction site

The hot water collected during excavation of the Chiomonte base tunnel will become a source of clean, sustainable energy for its construction site. This geothermal resource will then be made ... More Information

CrossRiverRail Webinar

An online webinar to hear first-hand from Cross River Rail’s experts about tunnelling works and how it may impact local residents and businesses.   Experts from the Cross River Rail ... More Information

Voting opens for TBM name for Swinoujscie tunnel

Voting has begun to name the new  Swina River TBM, which will soon begin to drive the Swinoujscie tunnel tunnel under the Swina River. The competition committee chose 5 of the 301 ... More Information

HS2 accelerates north as MPs give go-ahead to next phase to Crewe

HS2 accelerates north as MPs give go-ahead to next phase to Crewe

Parliament continues to show very strong support for HS2, as the Bill for the extension from the West Midlands to Crewe – Phase 2A – is given Royal ... More Information

Colaba-Bandra-SEEPZ Metro-3 Corridor 36th Breakthrough at CSMIA T1 Metro Station

Colaba-Bandra-SEEPZ Metro-3 Corridor 36th Breakthrough at CSMIA T1 Metro Station

Mumbai Metro Rail Corporation (MMRC) has achieved its 36th breakthrough at CSMIA T1 Metro Station.  With this 1.5-km long tunnel from Sahar Road Metro Station to CSMIA, T1 is now completed. The ... More Information

World Tunnelling Congress 2023

World Tunnelling Congress 2023

The winner to host the WTC2023 is Greece!  The final voting result: Greece 33 vs Turkey 14. The theme will be  EXPANDING UNDERGROUND - Knowledge & Passion to Make a Positive Impact on ... More Information

First cutter head arrives for TBM for Metro Manila Subway project

First cutter head arrives for TBM for Metro Manila Subway project

On 05/02/21 at the Manila North Centre Port Terminal an arrival ceremony  was held for the Cutter Head for of the first TBM Kaunlaran. It will be used for the 15-station Metro Manila Subway 's ... More Information

Construction work started on the Fehmarnbelt connection

Construction work started on the Fehmarnbelt connection

With final German approval of the Fehmarnbelt project obtained in November 2020, construction of the Fehmarnbelt Tunnel between Denmark and Germany is now well underway.   During 2021, ... More Information

City Rail Link’s TBM will be launched in April 2021

City Rail Link’s TBM will be launched in April 2021

Most of the preparation works for the City Rail Link (CRL) has been completed and project momentum is shifting to the heavy infrastructure programme. 2021 will see the Dame Whina Cooper ... More Information

Robbins enters a New Chapter

Robbins Brand to continue under Global TBM Company - Global TBM Company, newly established by industry veteran Lok Home, is proud to announce the recent purchase of substantially all the assets of ... More Information

Grand Paris Express updates - Line 16

Grand Paris Express updates - Line 16

Line 16 (27.5 km) of the Grand Paris Express project will be entirely underground and three works lots are planned with the use of 8 TBMs. The works’ are scheduled to finish in 2030. Lot 2 - ... More Information

EGLE Permits: Michigan agency approves permits needed for Enbridge tunnel project

On 29/01/2021 the Enbridge Line 5 tunnel in the Straits of Mackinac got another step closer to being built. The Michigan Department of Environment, Great Lakes, and Energy announced its approval of ... More Information

Cross River Rail Updates

Cross River Rail Updates

Roadheaders start tunnelling towards Boggo Road - Two 115t roadheaders  have started to mine the remainder of the 870 m Cross River Rail twin tunnels between Woolloongabba and Boggo ... More Information

FAMA and Sustainability

FAMA and Sustainability

Excellent results were achieved in 2020 by FAMA, a world leading provider of sealing, connection systems and precast tunnel lining. The company’s budget shows a positive finish after an ... More Information

Breakthrough on WestConnex tunnels

Breakthrough on WestConnex tunnels

A major milestone was reached on the M4-M5 Link Tunnels project  - 41 m underground at the St Peters Interchange - with roadheaders carving through to the M8, linking two WestConnex stages ... More Information

NASTT 2021 No-Dig Show

The NASTT 2021 No-Dig Show will convene in Orlando, Florida, March 28-31 at the Orange County Convention Center — offering in-person and virtual offerings to bring the trenchless industry to ... More Information

EnigmaCG’s 6th Annual Webinar 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

TERRATEC TBM begins work for Delhi Metro Phase 4

  TERRATEC TBM begins work for Delhi Metro Phase 4

A refurbished 6.52m diameter TERRATEC Earth Pressure Balance (EPB) Tunnel Boring Machine has been delivered to a Joint Venture between Hindustan Construction Company Ltd. of India and Vensar ... More Information

VIRTUAL HRBT Expansion Project Construction Open House

VIRTUAL HRBT Expansion Project Construction Open House

With the start of the New Year, the HRBT Expansion Project begins new construction activities. You are invited to learn more during a Virtual Construction Open House to learn about upcoming ... More Information

SaMoTer: 31st edition postponed to 2023

SaMoTer, Veronafiere's triennial international construction machinery exhibition, will now take place in March 2023. In 2021 they will showcase a new in-quarry demo event:  the format will be ... More Information

Western Harbour Tunnel & Warringah Freeway Upgrade gets approval

Western Harbour Tunnel & Warringah Freeway Upgrade gets approval

The Western Harbour Tunnel and Warringah Freeway Upgrade (the project) - proposed by Transport for NSW - has been approved by the NSW Government (the Minister for Planning and Public ... More Information

TBM Alice begins digging towards Central Business District

TBM Alice begins digging towards Central Business District

TBM Alice has begun its journey beneath St Kilda Road and the Yarra River, to connect the Metro Tunnel’s new Anzac and Town Hall stations in Melbourne, Australia. It follows the December ... More Information

Epiroc supports new world standard in sustainable underground mining with yet another battery-electric order

Epiroc supports new world standard in sustainable underground mining with yet another battery-electric order

In Kiruna, Sweden, tests are ongoing to set a new world standard for sustainable mining. In the process to achieve this, LKAB has ordered industry-leading battery-electric vehicles from Epiroc to be ... More Information

Breakthrough on DTSS Phase 2 for Penta-Ocean Koh Brothers JV

Breakthrough on DTSS Phase 2 for Penta-Ocean Koh Brothers JV

In December TBM Buroh (diameter 4.6 m) completed the 1.3 km first tunnel drive of the DTSS Phase 2 in Singapore (Contract T-08).  As part of DTSS Phase 2, the existing tunnel system will be ... More Information

Harding Prize Entry

Harding Prize Entry

Press release - Applications are now sought for this year’s BTS Harding Prize. The competition is open to all tunnelling engineers of the age of 33 or below at the end of the previous year. ... More Information

Updates for the metro line 11 extension in Paris

Updates for the metro line 11 extension in Paris

Since the launch of TBM Sofia at the beginning of 2020, all construction sites for the future stations of the line 11 extension have been focused on the passage of Sofia through the station ... More Information

BTS January Meeting : Three Great Challenges - Experiences from TBM Tunnelling in Difficult Ground

On Thursday 21st January 2021 at 18:00 hrs [GMT] Online at : https://youtu.be/SN3htCiU3FA  Lok Home – President, The Robbins Company will be hosting a webinar on youtube called Three ... More Information

Pawtucket Tunnel Project

As part of the program to improve water quality in Narragansett Bay, the Narragansett Bay Commission has issued to CB3A joint-venture notice to proceed with the work on the Pawtucket Tunnel Project. ... More Information

Mumbai coastal road - TBM Mavala Launched

On the 11/01/2021 the official launching ceremony for the TBM named Mavala was held, to see the ceremony please click here for the video. The TBM will dig the 3.45 km twin tunnel from Princess ... More Information

Last Tideway TBM begins journey

Last Tideway TBM begins journey

The team on TBM Selina at Chambers Wharf has broken ground on the final 5.5km stretch of the super sewer.   The machine is the last on the project to get underway journeying from Bermondsey to ... More Information

Final breakthrough for TBM Krishna 1 on metro line 3 in Mumbai

Final breakthrough for TBM Krishna 1 on metro line 3 in Mumbai

TBM Krishna 1 has reached the Dadar Metro Station: it’s the 35th breakthrough on metro line 3 in Mumbai, click here for the video. With this, MMRC has successfully completed the 10.96-km long ... More Information

TBMs Launched for Railway tunnels in Lodz

TBMs Launched for Railway tunnels in Lodz

At the end of 2020 two TBMs Katarzyna and Faustina began their tunnelling journey between the Lodz Fabryczna station and Lodz Kaliska e Lodz Zabieniec in Poland.    Katarzyna - the ... More Information

Press release - Implenia wins major order for A7 Altona Tunnel in Hamburg

Implenia, together with project partner HOCHTIEF, has been awarded the contract to build the 2.2-kilometre-long Altona noise protection tunnel on the A7 motorway in Hamburg. The net contract is ... More Information

Cross River Rail begins tunnelling

Cross River Rail begins tunnelling

TBM Else - the first of Cross River Rail’s two 1350 t TBMs in Brisbane - has been moved into position underground in the Woolloongabba site’s station cavern to commence tunnelling on the ... More Information

Unveiled – The East extension of the REM in Montreal

Unveiled – The East extension of the REM  in Montreal

On 15/12/2020  the CDPQ (Caisse de depot et placement du Quebec) unveiled the new Eastern extension project for the Réseau Express Métropolitain (REM) in Montreal, ... More Information

TBM Joan arrives at the State Library Station

In December TBM Joan broke through into the State Library station’s cavern 32 m under Franklin and Swanston streets in Melbourne, Australia. Thus  completing  the 1km stretch between ... More Information

Tunnelling News

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

Tunnel Boring Machine Emily Passes Key Factory Test for DC Water Potomac River Tunnel Project

Tunnel boring machine (TBM), Emily. This test confirms that Emily is ready to begin excavating the southern leg of the Potomac River Tunnel — a ... More Information

Sydney Metro West achieves world-first in tunnelling technology

Sydney Metro West has achieved a world-first in tunnel construction with a Lining Erector Machine (LEM) successfully being used to line the mined ... More Information

Gateway construction continues despite Trump's claim of termination

Tutor Perini, the general contractor on the Manhattan Tunnel Project, confirmed construction activity is currently continuing as planned... More Information

Tunnelling complete for Annacis water supply project

Metro Vancouver has completed the tunnelling phase of the $450 million Annacis Water Supply Tunnel, which will complete in 2028... More Information

Santa Clara VTA confirms single tunnel plan for BART extension

With VTA now owning the tunnel boring machine, the agency assumes full responsibility for its performance, agency officials said. To manage the risk, ... More Information

Chennai: Tunnel Boring Machine Vaigai achieves breakthrough at Mandaveli Metro Station

CHENNAI: The Chennai Metro Rail Limited (CMRL) on Saturday achieved a major milestone in Phase II tunnelling works, as Tunnel Boring Machine (TBM) ... More Information

Trump 'terminates' $16 billion Hudson River tunnel project linking N.J. and N.Y.C.

President Trump said funding for the $16 billion Gateway Tunnel project is "terminated" at a press conference. New Jersey officials said they will ... More Information

$676 million underwater tunnel for India

The project is expected to cost around $676 million, with a Detailed Project Report (DPR) having now been completed. India's road transport network is ... More Information

€1.4 billion Belgian tunnel project approved

The first phase of the €1.4 billion project for Belgium’s new Limburg Noord-Zuid link has been approved. Construction should commence in 2027 on the project, which will form a section of ... More Information

Tunnel boring machine S-639B achieves breakthrough under Kanpur Metro Phase I Project

The package KNPCC-06 involves design and construction of a tunnel through TBM, cut and cover tunnel, underground ramp from Kanpur Central end of ... More Information

Lawmakers propose construction of undersea tunnel to link Luzon and Visayas

Several lawmakers from the Visayas region are proposing the construction of an underground tunnel that will serve as a permanent land connection ... More Information

Oman-UAE rail project hits major milestone with start of tunnel excavation

Tunnel excavation has begun in Oman's Al Hajar Mountains, marking a major milestone for the cross-border Oman-UAE Railway... More Information

Engineering the depths: innovative tunnelling for hydropower projects

Major schemes in Austria, China, and Germany are applying advanced underground construction techniques for hydropower projects. More Information

New tunnel, new standard: Silvertown project showcases innovation in surface protection

Originally approved in 2018, construction of the tunnel began in March 2021. In September 2023, following the completion of tunnelling works, ... More Information

Metro Manila Subway Project: DOTr launches third tunnel boring machine

Dubai: The Department of Transportation (DOTr) has launched a third tunnel boring machine (TBM) for the Metro Manila Subway Project (MMSP), ... More Information

Skanska JV wraps up $450M Baltimore tunnel nearly 2 years early

A joint venture has reached substantial completion on the $450 million Howard Street Tunnel Project in Baltimore nearly two years ahead of the original completion date, according to a ... More Information

Work continues on NYC megaprojects, despite $18B federal funding pause

Contractors on two of New York City’s largest infrastructure projects will keep digging, but they might glance over their shoulders toward Washington... More Information

HS2 Chipping Warden tunnel project moves step forward

HS2 Ltd An aerial view of the HS2 tunnel construction at Chipping Warden. A road HS2 Ltd. The 1.55 mile (2.5km) Chipping Warden tunnel will be ... More Information

First of three Tunnel boring machines on way to SA as beams go up for tram overpass

The first of three tunnel boring machines that will be used to complete the northern and southern tunnels project is on its way to SA as part of a ... More Information

Chennai Metro Rail's TBMs to begin tunneling between Thiruvanmiyur and Indira Nagar

Chennai Metro Rail begins tunnelling work in challenging stretch for phase II project, facing obstacles due to hard rock... More Information

Custom lifting gantry aids TBM removal - Construction Briefing

The four TBMs excavated the 8.4 mile (14 km) Northolt Tunnel section. Two went in each way, digging a pair of tunnels from both ends towards each ... More Information