Tunnelbuilder Promoting the world's tunnelling industry to a huge qualified audience

View the Spanish Tunnelbuilder website View the Italian Tunnelbuilder website

Archive - News

Featured News

China's first EPB TBM Exported to South America came off the Production Line at CRCHI

China's first EPB TBM Exported to South America came off the Production Line at CRCHI

China's inaugural EPB TBM designated for South America recently rolled off the production line at CRCHI on September 27th. CRCHI, the manufacturer, holds the honour of being the first to export ... More Information

Lift off! HS2’s latest London tunnelling machine assembled 25 metres below ground

Press release - We've unveiled the names of the next pair of tunnel boring machines (TBMs) that will construct the high speed rail line under the capital. Following a public vote, the names Emily ... More Information

Cost and Schedule Changes for VTA's BART Project

Cost and Schedule Changes for VTA's BART Project

VTA announced the updated cost and schedule for VTA’s Phase II Project at October 20, 2023 Board of Directors meeting. These changes reflect the Project’s design progress and market ... More Information

Alignment chosen for the new railway line project Neuchâtel - La Chaux-de-Fonds!

Alignment chosen for the new railway line project Neuchâtel - La Chaux-de-Fonds!

Between Neuchâtel and La Chaux-de-Fonds, a new direct railway line will be built as part of the strategic development program for railway infrastructure, development stage 2035 (PRODES EA ... More Information

NCE Tunnelling Awards: Discover who the 2023 finalists are!

The shortlist has been announced for the NCE Tunnelling Awards 2023! Click here to view the 2023 shortlist. The winners will be announced at a gala dinner ceremony at the Hilton Bankside in London ... More Information

ISAVFT 2024 - Call for Papers is Now Open!

The call for papers for ISAVFT 2024  is now open. The symposium -  to be held at the Tivoli Hotel and Congress Centre in Copenhagen (Denmark) on 28-30 October 2024 - is seeking paper ... More Information

First TBM breaks through at future Oak-VGH Station

The first of two TBMs has broken through at the future Oak-VGH Station, achieving another milestone for the Broadway Subway Project.   The machine, named Phyllis, has reached the fourth ... More Information

Nye Veier announces the first tender for the E6 Ranheim-Værnes

Nye Veier announces the first tender for the E6 Ranheim-Værnes

Nye Veier has sent out the first tender information for the Ranheim-Vaernes section at the end of October/beginning of November. The first competitive dialogue will include completion of the section ... More Information

Press Release - Epiroc Powerbit X transforms ground support in Stockholm's Sofia Station

Press Release - Epiroc Powerbit X transforms ground support in Stockholm's Sofia Station

A hundred meters below ground, in the very heart of the Swedish capital Stockholm, the Epiroc Powerbit X is breaking grounds in civil construction with its diamondprotected technology by drilling an ... More Information

Turin/Lyon - New TBM live from the factory

Turin/Lyon - New TBM live from the factory

A new TELT TBM - 10.5 m diameter, 264 t weight, 180 m length, for the Lyon-Turin new line unveiled on October 6th, 2023 at the Herrenknecht AG plant! It will work on the CO6/7 site for the Mont ... More Information

National Grid’s London Power Tunnels breakthrough completes the project’s tunnelling activity

On September 30 th, 2023 the National Grid’s EUR1.15 bn (GBP1 bn) London Power Tunnels (LPT) project has achieved a major milestone with its final tunnelling breakthrough at Eltham substation ... More Information

TERRATEC delivers Tunnel Conveyors for Metro Manila Subway Project in the Philippines

The Metro Manila Subway Project commences with the implementation of TERRATEC's Continuously Advancing Tunnel Conveyors.  TERRATEC is pleased to announce the successful delivery of two ... More Information

World First - The €500MM Norwegian Ship Tunnel to Hit the Market

World First - The €500MM Norwegian Ship Tunnel to Hit the Market

Press release - The world's first ship tunnel will now go out to tender - The Stad Ship tunnel will secure ship traffic in weather-resistant Stad. It is now clear that he will go out to tender in ... More Information

HS2 – Latest Green Tunnel

HS2 – Latest Green Tunnel

HS2 has begun assembling the project’s longest ‘green tunnel’ - designed to blend the high speed railway into the rural landscape and reduce disruption for communities around ... More Information

Switzerland – Postpone the opening of the Ligerz tunnel

The Ligerz tunnel will be put into operation at the end of 2029, three years later than planned. This delay is due to objections and appeals as well as an updated construction method due to ... More Information

Second tube of Ucka tunnel on Y Istrian Motorway has been completed

On September 18, 2023 Bouygues Travaux Publics teams brokethrough for the second tube of the 5.6km Ucka tunnel on the Istria motorway. This breakthrough marks the end of the excavation work, carried ... More Information

Italy/Sicily - Second TBM for the Giampilieri-Fiumefreddo section has passed its FAT

Italy/Sicily - Second TBM for the Giampilieri-Fiumefreddo section has passed its FAT

On 11th  September 2023 the TBM EPB - diameter 9.36 m and weight of approximately 900 t - which will be used by Webuild for the construction of the Letojanni and Forza d'Agrò tunnels on ... More Information

Kanpur metro - TBM Nana reaches Bada Chauraha Station

Kanpur metro - TBM Nana reaches Bada Chauraha Station

This September the Gulermak - Sam India Builtwell JV’s TBM S93 - 6.52 m diameter and 120 m length - named Nana after Nana Saheb Peshwa and built by Terratec,  reached the Bada Chauraha ... More Information

Superloads deliver North East Link's TBM parts to Watsonia

The first parts of the massive TBMs that will dig the North East Link tunnels have completed their journey by sea to the Port of Melbourne and on September 9 and 10 have been transported to their ... More Information

Sydney Metro - Two milestones on Western Sydney Airport project

Sydney Metro - Two milestones on Western Sydney Airport project

The first milestone is the launch of the fourth TBM, named after Marlene Kanga AO, and the second milestone is the breakthrough of the TBM Peggy at the Airport Terminal Station.  ... More Information

Norway - The TBM that will drill the E6 Clean water tunnel Project in Oslo has arrived

On September 4th, 2023  the twelve largest and heaviest parts of the TBM - to be used to drive the tunnel for the new main water supply line in Oslo - were unloaded at Ormsundkaia  with ... More Information

Italy/Liguria - Choose alignment for the Aurelia Bis project linking Sanremo with Ventimiglia

In September in Ventimiglia representatives of the Government, of Liguria Region, of the Province of Imperia and of local municipalities presented the EUR 1.2 bn project for the ... More Information

Press release - Discover the €1.2B Mega Project in Norway - Paving the Way North of the Arctic Circle - E6 Megården–Mørsvikbotn

In a remarkable development, the Norwegian government has earmarked a substantial investment of NOK 4 billion for the ambitious E6 highway expansion project in Sørfold, Nordland. This ... More Information

The Central Interceptor tunnel project in Auckland reaches halfway mark

On 4 September the Hiwa-i-te Rangi TBM - more than 5m diameter -has broken through into a 69m deep shaft in May Road, Mount Roskill marking the halfway point of her 14.7km journey to central ... More Information

New milestones for Phase II of Chennai city’s metro rail network development

CMRL is going to further develop the Chennai city metro rail network as part of Phase II with 3 new corridors of metro rail for a total length of 116.1 km with 119 metro stations: Corridor-3, from ... More Information

North East Link TBM machine arrives by sea

The first of two 4000 t TBMs that will dig the North East Link Tunnels has passed testing. The first parts of the TBM have completed their journey by sea to the Port of Melbourne and they will ... More Information

E39 Rogfast - Four companies apply to be prequalified for Contract E02

The project manager Sveinung Brude from the Norwegian Public Roads Administration informed Implenia Norge/Stangeland Maskin, NCC Norge and Skanska Norge from Norway and Acciona Construcción ... More Information

2023 Stuva-Expo

STUVA-Expo will take place from 8.11.2023 - 9.11.2023 and almost all the exhibition space has already been rented out. Around 200 well-known exhibitors from Germany and abroad will present products ... More Information

ZITRON at the XVII AFTES International Congress 2023 in Paris

ZITRON at the XVII AFTES International Congress 2023 in Paris

From October 2-4, 2023, Zitrón will be a part of the XVII AFTES International Congress at Paris, Congress Palace. This event provides a unique opportunity to engage with our ... More Information

Preferred bidder announced for Suburban Rail Loop (SRL) East tunneling contract

The consortium Suburban Connect - including CPB Contractors, Ghella and Acciona Construction is the preferred bidder for the first Suburban Rail Loop (SRL) East main works contract, with TBMs on ... More Information

India - Terratec Hard Rock Double Shield TBM commences operations for Vishnugad-Pipalkoti Hydropower project

India - Terratec Hard Rock Double Shield TBM commences operations for Vishnugad-Pipalkoti Hydropower project

TERRATEC is pleased to announce that the Ø9.86m Hard Rock Double Shield TBM has commenced the excavation for Vishnugad-Pipalkoti Hydropower Project in India.   The TBM is currently ... More Information

BBT - Eisack Underpass work completed

All the main works have been completed at the construction site of lot H71 “Eisack River underpass” of the Brenner Base Tunnel, and subsequently the work completion report has now been ... More Information

HS2 opens TBM naming competition

HS2 (High Speed Two) Ltd is asking the public to choose names for the next two TBMs that will be launched in early 2024 to dig the Northolt Tunnel East travelling through Brent and Ealing. The TBMs ... More Information

HS2’s Tunnel progress - TBMs Florence and Cecilia reached Little Missenden

HS2’s Tunnel progress - TBMs Florence and Cecilia reached Little Missenden

Last week on August 8th, 2023 the giant TBMs reached the Little Missenden ventilation shaft, passing the fourth of five ventilation and emergency access shafts, 75% of the way through the 16 km (10 ... More Information

Grottaminarda tunnel on the Naples-Bari HS/HC railway line begins

On August 08, 2023 TBM Aurora - 100 m long, powered by 18 motors with a total power of 6.3MW - began  excavation on the Grottaminarda tunnel in the Avellino Province, on the section between ... More Information

Tunnelling complete at Silvertown

Tunnelling complete at Silvertown

Jill, the TBM which is delivering the Silvertown tunnel in east London, has now completed work on the second bore.   The TBM, named in honour of Jill Viner, the first female bus driver in ... More Information

Tunnelling News

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

Tunnel construction begins on Barskoon — Bedel road in Issyk-Kul region

According to the project, two tunnels, 5,340 and 3,840 meters long, respectively, will be built at Sook and Ashuu-Suu passes. They will be among the ... More Information

China debuts world's mightiest centrifuge, unleashing ultra-intense gravity

China leads the way in shield tunnelling machine development · Shield machine of south line of Yellow River tunnel starts boring in Jinan · A close ... More Information

Boring Company Launches Global Operations Control Center in Bastrop, Texas

The Boring Company has officially opened its new Global Operations Control Centre in Bastrop, Texas, the tunnelling start-up announced on X... More Information

Port of Longview Lands $35.9MM Federal Loan for Rail Expansion

Active Construction on New Hudson Tunnel Project Supporting Domestic Jobs and Economic Output ... Bridges/Tunnels, Class 1, Freight, Ports, Track ... More Information

TBM Parvati Achieves Breakthrough At Kakadeo Station Of Kanpur Metro Line 2

Brief Scope: Design and Construction of TBM Tunnel, Cut and Cover Tunnel, ramp after Double Pullia, ramps in Agriculture Depot for main line and ... More Information

Howard Street tunnel reopens ahead of schedule, boosting Baltimore's freight capacity

The Howard Street Tunnel has been reopened after being out of service since February 2025.The nearly 130-year-old tunnel extends north from Camden Yards to the Mount Royal Station and is ... More Information

Progress update on the Tunnel Boring Machine for National Grid

Following its launch in May this year, Buddug, the Eryri VIP tunnel boring machine (TBM) is making good progress digging the tunnel which will ... More Information

Mumbai-Ahmedabad Bullet Train Project Clears Major Hurdle

After months of delay, the tunnel-boring machine stuck in China is being shipped to India, clearing the path for underground construction of the ... More Information

Bright lights: This Las Vegas tunnel is getting a major upgrade

Construction is underway on Desert Inn Road between Paradise Road and Joe W Brown Drive as part of a $9.2 million improvement project on Friday, ... More Information

Panama Canal Tunnel Boring Machine Crosses Under the Canal, Marking a Milestone

Panama Canal Tunnel Boring Machine Crosses Under the Canal, Marking a Milestone on Metro Line 3. Auto-dubbed. 398 views · 6 hours ago ...more ... More Information

Major breakthrough achieved in Mumbai-Ahmedabad bullet train tunnel construction

Mumbai: A breakthrough was achieved for a 4.88 km-long tunnel between Shilphata and Ghansoli for the... More Information

New Austrian tunnelling method achieves milestone breakthrough in BKC-Shillphata undersea tunnel project

In a significant milestone for the ambitious undersea tunnel project between BKC and Shillphata, g Method (NATM) has ... More Information

World's Longest Railway Connection Makes Construction Breakthrough

The Brenner Base Tunnel, built deep beneath the Alps, is set to reshape freight and passenger transport across Europe... More Information

New game-changing tunnel boring, reef cutting 'meeting and beating' all expectations

UG2 reef at Bokoni is the target of the twin mobile tunnel boring and narrow reef cutter. Tunnelling will be done with the mobile tunnel borer for ... More Information

Mota-Engil CEO confirms winning bid for Santos-Guaruja tunnel

The company's subsidiary, Mota-Engil, has won the tender for the construction and operation of Brazil's first underwater tunnel, connecting the ... More Information

Metro Vancouver Utility Nearing Finish of $288M Annacis Water Tunnel

“Resilience is at the heart of this project,” said Nedim Alca, COWI's North America market director. “What makes this milestone so significant is not ... More Information

Fehmarnbelt: Danish tunnel portal nears completion

The work on the entrance to the Fehmarnbelt tunnel at Rødbyhavn on Lolland is almost complete. photo courtesy of The Fehmarnbelt Project. More Information

Final decision on airport tunnel 'now or never'

Alderman Jim Stevenson and City administrators are making a dramatic last push for the airport tunnel before construction on the new north/south ... More Information

Athens Metro Line 4 works to finish by 2029

The construction of Athens Metro Line 4 is progressing steadily, with the entire project ... Tunnel mistakenly excavated in Athens metro project. More Information

First trains on track to run through Metro Tunnel within three months

Melbourne's $15.5 billion Metro Tunnel could be switched on in as little as three months as construction wraps up at two CBD stations and trains ... More Information

Petersburg crews to begin tunnel project in response to ongoing flooding, damage - WRIC

As ongoing water issues have caused significant damage to infrastructure around Petersburg, the Old Towne neighborhood ... More Information

Intelligent optimization framework for tunnel construction

Tunnel construction forms the foundation of railway development and is essential for ensuring route continuity and operational efficiency. However, ... More Information

São Paulo positions TBM for next phase of Line 2-Green

A major milestone was reached on Monday (1 September) with the lowering of the cutter head of the tunnel boring machine (TBM) Cora Coralina... More Information

The 700-ton machine that'll dig NYC's Second Avenue subway extension

NYC has a new tunnel boring machine in its toolbox for the expansion of the line under 2nd ave. If you've never seen some BIG earth moving machines, ... More Information