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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

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

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 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

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

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

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

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

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

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 Naple-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

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

Hobsons Bay Main Sewer TBM launched in Melbourne

Almost 65 years after the original Hobsons Bay main sewer was built for carrying more than 30% of Melbourne’s wastewater to the Western Treatment Plant (WTP), tunnelling work to build ... More Information

Construction of Northern Norway's largest transport project is now officially under way

On Wednesday 02/08/2023 the Transport Minister Jon-Ivar Nygård officially started construction for the OPS project E10/rv.85 ... More Information

TBM Iris begins drive for the High-Speed Railway Bypass in Florence

On Wednesday, 26 July 2023 – at the Campo Marte site at Florence - excavation work began on the Florence HS rail link that will involve the city's railway underpass and the new Florence ... More Information

Clearwater project - New milestones for TBM Rachel

TBM Rachel, has completed 4.83 km (3 miles) of its 11 km (7-mile) journey towards Royal Palms Beach in San Pedro, California (USA) for the Clearwater Project. Click here for a video of the ... More Information

HS2 tunnelling in the capital passes the first Milestone

HS2’s first two TBMs in London, Sushila and Caroline, have completed the 1.6 km (first mile ) of the twin-bored Northolt tunnel in the capital. Since launch in November 2022, the ... More Information

Breakthrough for the new Tenda tunnel between France and Italy

On July 31, 2023 at 11.40 am a mechanical hammer broke through the 2 m thick diaphragm of the new Tenda tunnel between Italy and France. The breakthrough is an important milestone in the new ... More Information

Snowy 2.0 Project – July Update

July marked an exciting milestone for Snowy Hydro, Snowy 2.0 and Future Generation Joint Venture - FGJV with the relaunch of TBM Lady Eileen Hudson - one of the mega project's three TBMs - at ... More Information

TERRATEC TBMs continue to impress over long drives in in Argentina

The Río Subterráneo a Lomas tunnel project in Argentina is witnessing impressive progress with the advancement of two TERRATEC Ø4.66m EPB machines. TERRATEC is pleased to ... More Information

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Tunnelling News

CRCHI video

New CRCHI video for world leading underground equipment - Technology innovates the world... More Information

Deer Creek update

Exciting update from the Deer Creek project team! The Wasatch Worm is almost in the ground and will be ready to start tunneling this week. Over the next few months, it will be devouring a ... More Information

Stonehenge tunnel: Underground cabling installed, while other enabling works paused

The scheme, which involves the construction of a new 12.8km two-lane dual carriageway with a 3.2km tunnel under the Unesco World Heritage Site, was ... More Information

Nepal's first transport tunnel being built with Japanese assistance

Nepal and Japan signed the contract for construction of the tunnel on September 23, 2019, while the commencement started on November 14, 2019. More ... More Information

Cowi selected as technical advisor on world's first ever ship tunnel proposed in Norway

Construction is currently estimated to begin next year. The objective of the Stad Ship Tunnel project is to improve the navigability and safety of ... More Information

How Arnold Dix became a Himalayan hero after rescuing 41 workers from Indian tunnel collapse

Arnold Dix slid his hand into a gap in the rock at the entrance to a tunnel where 41 men were trapped alive, put his back against the cold stone and listened, and felt, and listened some ... More Information

Central Interceptor Tunnel Boring Machine

Watercare Services Limited’s Central Interceptor Tunnel Boring Machine, Hiwa-i-te-Rangi, has achieved a significant milestone, reaching 10,000m (10 kilometres) since leaving Māngere in ... More Information

New tunnelling machine joins three others digging high-speed line under London

Construction of the new HS2 line has hit another major milestone with the launch of the fourth – and final – machine being used to build the giant Northolt Tunnel beneath the capital... More Information

Lower Thames Crossing planning decision moves a step closer

On 21 March, the Planning Inspectorate confirmed that the Examining Authority has sent their recommendation report on the Lower Thames Crossing Development Consent Order (DCO) application ... More Information

AECOM-Jacobs JV signs on to $6B Amtrak tunnel job

Amtrak is gearing up to dig deep in Baltimore. The railroad company selected ADVANCE, a joint venture between Dallas-based infrastructure firms AECOM and Jacobs, to serve as the delivery ... More Information

Lower Thames tunnel boosts new orders data

UK construction contract awards reached their highest level in February 2024 for seven months, according to one of the industry's data monitoring ... More Information

The incredible new £53m tunnel in Spain linking two pretty cities

The work is part of efforts to modernise the railway line between Ourense and Lugo in the autonomous Galicia region. Spanish construction giant ... More Information

ECRL hits new milestone with the completion of three tunnel excavations in Bentong district

The ECRL project features the construction of 41 tunnels with a total length of approximately 69 km along its rail alignment. Section A (Kota Bharu- ... More Information

Boring Co. receives go-ahead to drill more Vegas Loop tunnels

LVCVA President and CEO Steve Hill offered the company access to safety officers after the company was fined $100000 for construction violations ... More Information

Biden-Harris Administration Announces Nearly $4 Billion in Support

The project includes construction of a new two-track heavy rail tunnel along the Northeast Corridor from the Bergen Palisades in New Jersey to ... More Information

World's Longest Twin-Lane Tunnel Inaugurated In Arunachal Pradesh

Constructed by the Border Roads Organisation (BRO) for INR 825 crore, the tunnel is strategically vital due to its proximity to the Line of Actual ... More Information

The £13.3bn tunnel 8.5 miles long that could transform one of the world's biggest cities

The Second Avenue Subway's per-mile construction cost is higher than that of other projects in similar cities like London's Crossrail and Paris's ... More Information

First look inside Silvertown tunnel as TfL confirms summer 2025 opening

... tunnel construction in the face of environmental concerns. Construction is costing about £1bn – with a further £1.2bn due in annual repayments ... More Information

Consortium of Aecom and Arcadis appointed to tunnel and station design contract for Ontario metro

The scope of work for the PTUS contract includes construction of 3km of twin tunnels underneath Pape Avenue between the Gerrard tunnel portal and ... More Information

Snowy Hydro is inching towards powering the nation

... tunnelling progress of one of its critical boring machines ... Some 80 metres underground in temperatures well in excess of 30C, tunnel boring machine ... More Information

Judge rejects challenge to £1.7bn Stonehenge Tunnel

The High Court has thrown out a case brought by campaigners against the £1.7bn Stonehenge Tunnel project. Mr Justice Holgate said most of the ... More Information

9 of the longest underwater tunnels in the world

These stations are the first railway stations constructed under the sea and serve as emergency escape points in case of a disaster. Today, the Seikan ... More Information

EPC contractors sought for Dubai's £17bn sewer tunnels project

The strategic sewerage tunnels project by Dubai Municipality known as the Deep Tunnels Portfolio will involve the construction of wastewater assets ... More Information

The $7BN Mega-Tunnels You've Never Heard Of

But thanks to some incredible underground construction methods, Antwerp is now on course to complete a massive piece of infrastructure it's been ... More Information

3 listed & 2 Unlisted get LOA to build Mumbai Coastal Road Ext

The underground tunnel will run below Malad and Kandivali through the Mangrove creeks and a tunnel boring machine (TBM) will be used for this phase. More Information

New tunnel planned to under the Thames at Tilbury and Gravesend

ianVisits ... tunnel (c) National Grid. Construction will be done by a conventional tunnel boring machine (TBM), which will launch from a 41-metre deep shaft dug ... More Information

Third tunnel breakthrough on Guildford sewage works

A micro-TBM recently broke through on a new tunnel being built for Thames Water's project to relocate sewage treatment works in Guildford. More Information

Japan maglev train project being derailed by Shizuoka stalemate

Opposition in Shizuoka Prefecture emerged from fears the planned tunnel construction for the line could adversely affect the overall volume of water ... More Information

World's most expensive tunnel that ended up costing a whopping £2.3m a day to build

Over 5000 construction workers were employed to complete the Central Artery/Tunnel Project in the United States. More Information

Underground or Elevated Metro Rail – Which One is Better for India?

The cost of tunnel boring machines (TBM) is another significant component. The tunneling cost can be reduced by making longer tunnel contract ... More Information

From Undersea Tunnel To Station Redevelopment

The NHSRCL will construct an adjoining tunnel location as part of the package. To construct this tunnel, the Tunnel Boring Machines (TBMs) with a ... More Information

Second tunnel boring machine for Broadway Subway reaches South Granville Station

The tunnel boring machines will end their journey just before Arbutus Station, which spans two city blocks, with the west block used as the footprint ... More Information

BESIX-MTH awards Nordhavn work to Bravida

... construction of the Nordhavn Tunnel. By & Havn is tasked with developing Ørestad and the port of Copenhagen and runs the daily operations of the ... More Information

After India's first undersea tunnel, Mumbai to get its longest intra-city underground road

... construction with viaducts and modern safety measures. The Coastal Road tunnel is India's first undersea tunnel, constructed using a 12-metre ... More Information

3,200 tonne TBM delivered to France-Italy rail tunnel project

A tunnel boring machine (TBM) manufactured by German tunnelling and mining firm Herrenknecht has been delivered to the Lyon-Turin Mont Cenis base ... More Information

FPT Industrial engines power the construction of the longest immersed tunnel in the world

The construction of the Fehmarnbelt tunnel is an important addition to Europe's sustainable transport network of the future. It will offer the ... More Information

Work resumes at Silkyara tunnel after 2 months

On the instructions of the Union Ministry of Road Transport and Highways, construction work of protective nature has begun from both Barkot and ... More Information

Webuild Joint Venture awarded Pape Tunnel and Underground Stations Progressive DB contract

Webuild will lead a joint venture to develop the project for the "Pape Tunnel and Underground Stations (PTUS)" section of the Ontario Line, the new rapid transit line that will run through ... More Information

Third Tunnel Boring Machine Lowered at Panagal Park

In a significant milestone for the Chennai Metro Phase 2 project, the third Tunnel Boring Machine (TBM) has been successfully lowered at the ... More Information

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