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Last section of Athens’ Metro Line 3 Extension to Piraeus completed

On the 10/10/2022 the inauguration ceremony for the last section of Athens metro line 3 extension was held in the Dimotiko Theatro Station in the city of Piraeus. The tunnel is 3.5 km long and was ... More Information

New milestones for the ECRL project

Final breakthrough for the 2.8 km long Kuantan East Coast Rail Link ECRL tunnel occurred on the 17/10/2022, two months ahead of schedule. Malaysia Rail Link Sdn Bhd (MRL) is the owner of the ... More Information

STM at BAUMA 2022

Press Release - We are delighted to announce the attendance of the STM at the BAUMA Exhibition, taking place in Munich (Trade Fair Center Messe München) from the 24th to the 30th October 2022 - ... More Information

First tunnel completed for Snowy 2.0

Main access tunnel - On 11th October 2022 teams from Snowy Hydro and contractor Future Generation Joint Venture celebrated the completion of the excavation of its first tunnel for ... More Information

HS2 Chiltern tunnel – ‘Florence’ and ‘Cecilia’ reach 4 mile point at Chalfont St Giles

Press Release - Two enormous 2,000 tonne tunnelling machines digging HS2’s longest tunnels passed the second of five ventilation shafts this week, 4 miles into their 10 mile drive under the ... More Information

CRCHI Mega Slurry TBM "Jinghua" Assists the First Tunnel Section Breakthrough of Beijing East Sixth Ring Road Reconstruction Project

Press release - In September 2022, the Beijing East Sixth Ring Road Reconstruction Project reported more good news. The CRCHI mega slurry TBM "Jinghua" reached the intermediate air shaft ... More Information

Message from iPS Powerful People

iPS Powerful People are very sad to hear of the tragic event in Creeslough, County Donegal, We know many people who call Donegal home and it’s difficult to understand how they are ... More Information

Works begin on the PGDL (General drainage plan for Lisbon)

On 03/10/2022 Carmona Rodrigues, the ex-mayor of Lisbon (CML) who in 2004 had signed the first proposal of the PGDL (General drainage plan for Lisbon), and José Silva Ferreira, general ... More Information

See you at BAUMA 2022!

Costruzioni Elettrotecniche CEAR will be exhibiting at the 33rd Edition of BAUMA, the World's Leading Trade Fair for Construction Machinery, Buildings, Mining and Construction ... More Information

Turin/Lyon - New milestone in Avrieux

With the completion of excavation of the first 10.5 km of the even-numbered tube of the Mont Cenis Base Tunnel between Saint-Martin-la-Porte and La Praz (in the direction of Paris) - the ... More Information

Innovative Riachuelo Project’s hydraulic tunnel filled

The innovative sub-fluvial tunnel near Buenos Aires, part of Lot 3 of the Riachuelo Environmental Restoration Project has been filled by water from the river Plate. This is a sustainable development ... More Information

The 8th edition of the ITA Tunnelling and Underground Space Awards returns this December in a digital format

Since 2015, the international competition seeks and rewards remarkable achievements in tunnelling and the underground industry. Organized by the International Tunnelling and Underground Space ... More Information

ForrestfieldAirport Link - The new Airport Line is ready for take-off

First trains on the Forrestfield-Airport Link, to be known as the Airport Line, will operate on Sunday 09 October 2022! Full services on the Airport Line commence on Monday 10 October. ... More Information

TERRATEC EPBMs ready to tackle Kanpur Metro’s 1st Underground Section in India

Gulermak/Sam India JV gets ready to commence tunnelling on the Corridor-1 of Kanpur. MRTS Project in India. TERRATEC celebrated the successful site acceptance testing of two 6.52m diameter Earth ... More Information

Giant HS2 TBM cutterhead’s impressive journey back to start second dig in Warwickshire

After HS2’s first tunnel breakthrough by TBM Dorothy at the south portal site in July this year, the front part of the TBM has been dismantled and transported back to the tunnel’s ... More Information

KonNx launched in the UK

Launched this year, KonNx UK is a subsidiary of AusProof Pty Ltd, the original equipment manufacturer of electrical cable couplers and components. Providing greater accessibility to the KonNx ... More Information

Cross Island Line Phase 2

The Land Transport Authority (LTA) at Singapore announced the alignment and station locations of the Cross Island Line Phase 2 (CRL2) from Bright Hill to Jurong Lake District. CRL2 is ... More Information

Central Interceptor TBM begins historic tunnelling under Manukau Harbour

Last week the TBM EPB Hiwa-i-te-Rangi, involved in the construction of the 14.7-km-long and 4.5m diameter wastewater tunnel from Grey Lynn to Māngere Wastewater Treatment Plant at Auckland, started ... More Information

WTC2023 – Full Paper Submission process will remain open until September 30, 2022

The paper submission process is currently underway. Authors with accepted abstracts have already received the link for full paper submission. You may also access the online paper submission form ... More Information

Impreservice srl has expanded the EASY click SMART family

Press release - Impreservice srl, who were at the WTC 2022. in Copenhagen have expanded the EASY click SMART family with two new variations. The first is the high ... More Information

Nye Veier recommends a western route for the E6 Nedgard – Toset

Nye Veier - after an evaluation of several route alternatives for the E6 section Nedgard - Toset within the planning area - has chosen two preferred alignments that have been put forward for ... More Information

Sydney Metro West to tunnel under Sydney Harbour

Sydney Metro has received the green light for tunnelling between The Bays and Sydney CBD, completing plans for the 24 km of twin tunnels from Westmead to Hunter Street in the Sydney ... More Information

Rail tunnel to be extended for North East Link

Major works are underway to get ready for construction of the twin 6.5 km North East Link Tunnels to finally fix the missing link in Melbourne’s freeway network. When North East ... More Information

SAIE 2022 - The SIG (Società Italiana Gallerie) tunnelling area

Press release - Among the various special initiatives that uniquely characterize the SAIE 2022, the Construction, Design, Building and Plants’ Fair - in BolognaFiere from 19 to 22 October, ... More Information

Metro Alger line 1 - first section complete

On 07/09/2022 TBM Kahina broke through into an extraction shaft: click here for the video. This goal successfully concludes the first tunnel Oued Smar –Airport section, 5808 m long, of the ... More Information

Final breakthrough for TBM Dame Whina Cooper

In the early evening of the 14/09/2022 TBM Dame Whina Cooper (weight 910 t, length 130m and diameter 7.15m) reached the Te Waihorotiu Station (Aotea) completing the second tunnel of the Auckland's ... More Information

Final breakthrough for TBM Dame Whina Cooper

In the early evening of the 14/09/2022 the TBM Dame Whina Cooper (weight 910 t, length 130m and diameter 7.15m) reached the Te Waihorotiu Station (Aotea) completing the second tunnel of the ... More Information

A303 Stonehenge Updates

In response to the Secretary of State’s letter dated 26 August 2022 inviting comments on the Final Report on the joint World Heritage Centre / ICOMOS / ICCROM Advisory Mission to ... More Information

TfL Press Release - Tunnelling underway for new river crossing at Silvertown

Tunnelling of the new public-transport focused river crossing at Silvertown is now underway, Transport for London (TfL) and Riverlinx have confirmed. The 1.4km Silvertown Tunnel will link ... More Information

Pr. Arnold Dix elected ITA President Copenhagen

Professor Arnold Dix has been elected as the new International Tunneling and Underground Space Association President during the association’s 48th General Assembly held in Copenhagen. He ... More Information

Tunnel to ONT Project Takes Initial Steps Forward

At a September 7th meeting, the SBCTA Board of Directors took the initial steps to move forward with the Tunnel to Ontario International Airport (ONT) project in San Bernardino County (California). ... More Information

Call for papers for PIARC’s World Road Congress 2023

The XXVIIth World Road Congress of PIARC Int’l will take place at the Prague Congress Center (PCC) from 2 to 6 October 2023. The Congress theme will be " Together on the Road again". PIARC is ... More Information

STM will be at WTC 2022 in Copenhagen

Press release - Next week, in Copenhagen, from the 2nd until the 8th September “WTC 2022” the World Tunnel Congress will take place. We are thrilled to let you know that STM will ... More Information

First breakthrough in the Lonato tunnel on the HS/HC railway line Brescia Est - Verona

Press release - At the Desenzano del Garda (BS) construction site, TBM Martina (diameter 10 m) completed the first 4751 m of the Lonato tunnel part of the new High Speed / High Capacity railway ... More Information

TERRATEC EPBM breaks through in Thailand helping Samui Island keep its title as a top Asian tourist destination

TERRATEC is proud to announce the completion of Samui Island Water Tunnel Project in Thailand. The tunnel was completed using a refurbished TERRATEC 3.2m diameter Earth Pressure Balance Tunnel ... More Information

Emissions application for the E134 Oslofjord connection under consultation

The Norwegian Public Roads Administration has applied for a permit under the Pollution Act for emissions during construction of the E134 - Oslofjord connection, construction stage 2. In ... More Information

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Tunnelling News

Scarborough Subway Extension tunnelling progresses following maintenance stop

The remaining portion of the tunnel will be delivered by Scarborough Transit Connect, the development partner for the project's stations, rail and ... More Information

World's Deepest Underwater Tunnel to Have Cars Drive 16 Miles Under the Sea

Norway is building what is to become the longest and deepest road tunnel under the sea. The Rogfast project, measuring 26.7 kilometers (about 16.5 ... More Information

Tunnelling underway for National Grid’s 3.4km power tunnel in Snowdonia

The tunnel boring machine (TBM) Buddug has commenced excavation of National Grid’s 3.4km power tunnel in Wales’ Eryri National Park, otherwise known as Snowdonia. The tunnel is part of ... More Information

CPK signs contract for construction of HSR tunnel in Łódź

The contract for the construction of a 4.6 km long, 14-metre wide High-Speed Rail (HSR) tunnel will be carried out by construction company PORR. The project is valued at approximately PLN ... More Information

Underneath the busy Baltimore streets, the Howard Street Tunnel gets its makeover

A squad of construction workers descend daily under the streets of Baltimore. They labour deep down, in the semi-secret and highly restricted ... More Information

London Power Tunnels Milestone

We're thrilled to announce that our second 2.5km high-voltage circuit between Hurst and Crayford is now live. This £1 billion project is rewiring London, strengthening energy supply, and ... More Information

U.S. Tunneling Professionals Convene in Dallas at RETC 2025

The event drew approximately 1,400 people. Another highlight of the conference was the presentation of the now annual Underground Construction ... More Information

Construction of NY and NJ GatewayTunnel hits halfway mark

People are looking down at the ground from the Highline on Manhattan's West Side. Some parts of the new train tunnel structure ... More Information

Silicon Valley BART extension seeks new tunneling contractor

Silicon Valley BART extension seeks new tunneling contractor for construction. Maguire told reporters during a briefing Monday morning. He noted that VTA is trying to fill a $1.2 billion ... More Information

Tunneling In The Digital Age: Rethinking Subsurface Infrastructure

But successful construction is just the start of the journey. Underground infrastructure is a long-term investment—just look at the London Underground ... More Information

Sydney Moves Forward with Final Tunnelling for Harbour Project

Sydney prepares for the arrival of the largest TBMs in the Southern Hemisphere as the Western Harbour Tunnel project enters its final tunnelling ... More Information

Metrolinx seeks help to name 2 of its massive Ontario Line tunnel digging machines

Metrolinx is now accepting names for two of its giant tunnel boring machines (TBMs), which will be used for twin 16-metre-deep and six-kilometre-long ... More Information

Deutsche Bahn awards contract for Munich S-Bahn project

The contract involves structural works for the expansion, including the construction of tunnels and an underground station. The Tunnel Ostbahnhof JV, ... More Information

Excavation completed on Italian side of Brenner Base Tunnel

The tunnel boring machine (TBM) named “Flavia” successfully bored through the Alps beneath the Mules 2–3 section, reaching the Austrian border. More Information

Giant tunnel borer set for Shantou Bay project

A giant tunnel boring machine has been installed for tunnelling under Shantou Bay in Shantou, South China's Guangdong province. [Photo provided to ... More Information

€0.4bn road and tunnel project in Georgia

Work is proceeding on the Kvesheti-Kobi road and tunnel scheme in Georgia. The scheme is part of a larger project, being carried out with Chinese ... More Information

Lahore to transform with Rs49 billion tunnel boring project

Pakistan, April 27 -- The federal government has approved Lahore's Rs49 billion Tunnel Boring Project, marking a major development for the city... More Information

Construction at Cleveland Hopkins International Airport

The 2,100-foot-long tunnel connects the terminal to parking facilities and the tramway leading to the RTA public rail line. During the project, two of ... More Information

AFFHOLDER AND J.F. SHEA TEAM UP ON $700 MILLION CONTRACT

The tunneling subsidiary, Affholder LLC, will lead a joint venture with J.F. Shea Construction, Inc., to build the I-35 Capital Express Central ... More Information

Factory Testing Complete on DC Water's first tunnel boring machine for the Potomac River

Mary passed all the necessary requirements and is one of two TBM's on the project. The tunnel is part of DC Water's Clean Rivers Project, to ... More Information

Work on Chennai Metro tunnel racing to a finish

The machine Flamingo, which started boring in 2023 for the tunnel linking Light House with Thirumayilai, is expected to reach the other end in ... More Information

CPK awards contract to build high-speed rail tunnel in Lodz, Poland

The tunnel, to be constructed using a tunnel boring machine (TBM), will have a ... More Information

Inside HS2: Meet London's miners working on the Northolt tunnels

We are on a tunnel boring machine (TBM) inside High Speed Two's huge Northolt tunnels. These tunnel boring machines are part of a tunnelling ... More Information

Ontario Begins Construction Of Last Tunnel Segment Of The Eglinton Crosstown West Extension

The remaining eastern portion of tunnel construction (500-meter twin tunnels) will use the sequential excavation method, with daily progress of ... More Information

Norway is building the world's longest and deepest subsea road beneath its fjords

We have subsea road tunnels which have that construction. And the new tunnel between Germany and Denmark, there they are laying down cases and put ... More Information

CERN releases report on the feasibility of a possible Future Circular Collider

The estimated cost of construction of the FCC electron–positron stage, including the tunnel and all the infrastructure, is 15 billion Swiss francs... More Information

TBM break through on Auckland's £915M wastewater megaproject completes 16.2km tunnel

Auckland's major wastewater infrastructure project, the Central Interceptor, has reached a significant milestone with the final breakthrough of ... More Information

In pics: construction site of Chongming-Taicang tunnel

A smart assembling vehicle works at "Linghang" large diameter shield tunneling machine at the construction site of the Chongming-Taicang tunnel, part of the Shanghai-Chongqing-Chengdu ... More Information

IN PICTURES: Spectacular images of the removal of HS2's huge tunnelling machine

TBM Sushila was used to construct part of the Northolt Tunnel – an 8.4-mile tunnel ... construction/london-tunnels/progress-3/northolt-tunnel/tbm- ... More Information

Historic tunnels uncovered beneath Salisbury station during £5.3M upgrade project

Engineers from Network Rail and South Western Railway have uncovered a network of tunnels and rooms beneath Salisbury station during ongoing £5.3M upgrades to the station’s forecourt... More Information

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels. The new road will pass through Georgia along a trade route ... More Information

Buca Metro Tunnel Excavations Reached 50 Percent Level

Important progress is being made in the construction of the line, where four tunnel boring machines (TBMs), each 100 meters long, 7 meters wide and ... More Information

'Very promising' narrow-reef boring technology nearing rollout stage

A novel tunnel boring machine (TBM) will open up Bokoni's narrow tabular dipping PGM orebody to allow narrow-reef boring to take place, so that ... More Information

A vast undersea tunnel is being built

The 7.4 billion-euro ($7.7 billion) project is a huge undertaking, in every sense. Each section of the tunnel is colossal. These concrete structures ... More Information

National Grid gets planning permission for Grain to Tilbury upgrade with new Thames tunnel

National Grid has secured full planning approval for the Grain to Tilbury project, which includes a new power tunnel under the River Thames... More Information

Right track tunnel of Huangjialing Tunnel in NW China's Gansu drilled through

A staff member works on the construction site of the right track tunnel of the Huangjialing Tunnel in Linxia Hui Autonomous Prefecture, northwest ... More Information

Shetland Islands tunnels plan takes 'huge step forward' with sonar investigations

This phase will further inform the project's development and feasibility. The tunnel project, seen by locals as pivotal for improving ... More Information

Construction of the Tarande tunnel begins next week

On March 17th, in Vilnius district Construction of a tunnel and other related infrastructure will begin at Taranda and Bukiškis. This project aims ... More Information

Delhi Metro's Golden Line achieves major tunnel breakthrough;

The construction of Delhi Metro's Golden Line achieved a major milestone on Thursday as the Tunnel Boring Machine (TBM) broke through at the ... More Information

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