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Major breakthrough for Broadway Subway Project 

A first major milestone has been reached by the Acciona Ghella Joint Venture on the Broadway Subway Project. Elsie, the first of two 150-m-long TBMs that began excavating for the Broadway Subway ... More Information

Switzerland - construction update for Isla Bella tunnel on A13 

Press release - On January 26, 2023 the patron saint Santa Barbara blessing was given so construction could begin for the safety tunnel for the Isla Bella tunnel. The tunnelling works will be ... More Information

CRCHI Showcases the overall solution for underground engineering equipment at bauma CONEXPO INDIA 2023

The 6th International Trade Fair for Construction Machinery, Building Material Machines, Mining Machines and Construction Vehicles (bauma CONEXPO INDIA 2023) kicked off on January 31, 2023. China ... More Information

Strata Worldwide Celebrates 30 Years in Business

The global safety company looks back on accomplishments and looks forward to providing continued support for their industries around the globe. ATLANTA, GEORGIA - January 30, 2023 - Strata ... More Information

Cross River Rail Project - January/February updates

Cross River Rail Project  - January/February updates

Teams have now completed Woolloongabba - Albert Street and Boggo Road - Woolloongabba sections in both directions, Roma Street to the Northern Portal 1.2 km in the upline and 750 m in the ... More Information

HS2 celebrates as longest tunnels reach halfway point under the Chilterns

On 01 February HS2 Ltd confirmed that Florence and Cecilia, the two giant TBMs driving the HS2 high speed rail project’s longest tunnels, have passed the halfway point of the 16 km (10 ... More Information

State of California Awards EUR344 (USD375 million) for VTA’s BART Project 

On 31/01/2023 the State of California awarded EUR344 million (USD375 million) to the Santa Clara Valley Transportation Authority (VTA) for its BART extension into Downtown San Jose and Santa ... More Information

Cross River Rail Project  - January/February updates 

Teams have now completed Woolloongabba - Albert Street and Boggo Road - Woolloongabba sections in both directions, Roma Street to the Northern Portal 1.2 km in the upline and 750 m in the ... More Information

WTC 2023 - Early Registration Fees deadline extended! 

After many requests, the Early Registration for WTC2023 to be held at Megaron Athens International Conference Centre (MAICC) on 12 – 18 May 2023 has been extended. The new early bird deadline is ... More Information

TERRATEC TBMs - Chennai Metro Rail update

In December, TERRATEC celebrated the assembly of the third of five ordered 6.61m diameter Earth Pressure Balance Tunnel Boring Machines (EPBMs) for the Chennai Metro Rail project in India. ... More Information

City Rail Link Press Release

Press release - Ngā mihi o te Tau Hou (happy New Year) from the team at City Rail Link! We’re back and ready for a busy year working on the next phase of works – fitting out the tunnels and stations ... More Information

Waterproof shotcrete with self-healing properties to repair and protect the vault of  the tunnel Paradiso 

Waterproof shotcrete with self-healing properties to repair and protect the vault of  the tunnel Paradiso  Press Release - The phenomenon of self-healing of cracks in concrete structures is a ... More Information

First blast for the Hovik tunnel on E18

Skanska Norge AS and the Norwegian Public Roads Administration started  the drill&blast excavation works of the Hovik tunnel on the Strand-Ramstadsletta section of the E18 Lysaker-Ramstadsletta. In ... More Information

Works begin on the Perca bypass ready for Winter Olympics 2026

This month the construction site for the 3 km Perca ring road on the SS 49 in Val Pusteria began preparatory works. The Perca ring road will improve the viability and quality of life of the ... More Information

Tunnelling begins on Scarborough Subway Extension

Tunnelling begins on Scarborough Subway Extension

TBM Diggy Scardust has officially started tunnelling for the Scarborough’s 7.8-km subway extension that will bring subway service farther north into Scarborough and accommodate as many as ... More Information

Kanpur Metro - Second breakthrough on Moti Jheel-Nayaganj underground section

Kanpur Metro - Second breakthrough on Moti Jheel-Nayaganj underground section

On the 17/01/2023 the Joint Venture Gulermak-Sam India reached an important milestone with the breakthrough of the Terratec TBM S92. The breakthrough happened at Nayaganj Station on the 3.62 km Moti ... More Information

Sepulveda Transit Corridor project

Sepulveda Transit Corridor project

Metro will host three community open houses - one of which will be virtual - on January 21, 24, and 26 - for the Sepulveda Transit Corridor Project, which will build a heavy rail line or monorail ... More Information

WTC2023 - Early Registration

WTC2023 - Early Registration

WTC 2023 will be held in a hybrid format. It will mainly be a congress with physical attendance combined with its digital side. Physical participation is encouraged so that this congress marks the ... More Information

Norway - Stad Ship Tunnel supplier conference

To date, in relation to the Stad ship tunnel construction project, about 50 contractors and suppliers have registered for the Supplier Conference. The conference will be held in Gardermoen on the ... More Information

Update for the Lonato tunnel on the HS/HC railway line Brescia East - Verona

On Saturday 7 January 2023, the TBM Martina - diameter 10.03 m, length 150 m and weight 1,750 t - began excavation from the Campagna di Lonato site  of the 4782 m second tube of the Lonato rock ... More Information

The Cairo Metro Line 4 Project

The Cairo Metro Line 4 Project

In December 2022 Eng. Sayed Farouk - CEO & Chairman of the Arab Contractors Company, visited the Cairo Metro Line 4 project to follow up on the work progress. First, there was a meeting to ... More Information

UYAK2023 Deadline Extended

On the request from authors, the full paper submission date of UYAK2023 Symposium has been extended up to January 15, 2023. The full papers of the accepted abstracts should be uploaded to the ... More Information

Normet acquires Finland-based boom systems manufacturer Rambooms and hydraulic attachments supplier Marakon

Press release - Normet has agreed to acquire Rambooms Oy, a manufacturer and supplier of rock breaker boom systems, and Marakon Oy, a supplier of hydraulic hammers and excavator attachments for the ... More Information

Undergraduates offered paid summer placements on HS2

University students who live, or study, in the Midlands are being offered the chance to join HS2’s construction partner Balfour Beatty VINCI (BBV) on an eight-week paid work placement this ... More Information

TBM named for the S19 Rzeszów Południe - Babica expressway

TBM named for the S19 Rzeszów Południe - Babica expressway

The name of the TBM that will drill the 2.2 km long tunnel on the S19 Rzeszów Południe - Babica expressway was recently announced as Karpatka.   A selection of names were chosen by ... More Information

Romania - Last breakthrough for the Batuta tunnel 

In January the excavation of the Batuta railway tunnel was completed. It is part of upgrading of the Frontiera-Curtici-Simeria railway line for trains with a maximum speed of 160 km/h. This ... More Information

Two TERRATEC EPBMS ready for Bangkok flood prevention project

Two TERRATEC EPBMS ready for Bangkok flood prevention project

Two new TERRATEC TBMs will take part in the Khlong Prem Prachakorn Drainage Tunnel Project for the Department of Drainage and Sewage Bangkok Metropolitan Administration (BMA) in Thailand. ... More Information

The Double Shield Hard Rock TBM Jasmine starts drive

On December 7th the first double shield hard rock TBM - named Jasmine after the Philippines’ national flower ‘’sampaguita’’ and imported from China - has started to ... More Information

Chengdu-Zigong High-speed Railway project - Breakthrough in the Jinxiu tunnel

Chengdu-Zigong High-speed Railway project - Breakthrough in the Jinxiu tunnel

Press release - On December 12th - after 14 months of boring - Jinxiu, the China’s largest EPB TBM, developed by CRCHI marked its first major breakthrough in ... More Information

TBM Lilia for Brenner Base Tunnel passes acceptance test

TBM Lilia for Brenner Base Tunnel passes acceptance test

The first of the two TBMs for the H41 Sill Gorge-Pfons construction lot of the Brenner Base Tunnel has formally passed its acceptance test at Herrenknecht AG in Schwanau, Germany. The ... More Information

Switzerland - PoLuMe: given green light from the Federal Council

In its meeting on the 16th December 2022, the Federal Council approved the general project for the upgrading of the A2 motorway from Lugano to Mendrisio (PoLuMe). The total investment amounts to ... More Information

The HRBT Expansion Project - TBM Main Drive Installation update

The HRBT Expansion Project - TBM Main Drive Installation update

Work is progressing on the reassembly and placement within cell 1 of the South Island Launch Pit of TBM Mary with her shield section already to set in place. In the next few days the team will lift ... More Information

This is how Augmented Reality digitalizes Machinery and Plant Engineering at Häny

From article by AUGMENT IT - With Augmented Reality, companies increase efficiency and quality in the inspection processes of Plants and Machines, as the case of Häny AG impressively ... More Information

Terratec TBM S88 Breaks through in Meerut

Terratec TBM S88 Breaks through in Meerut

On the 15/12/2022 Sudarshan 8.1, the Terratec TBM EPB S88, reached the Meerut Central RRTS Station completing the 1823.39 m long tunnel between Bhainsali to Meerut Central Stations (Package 8). ... More Information

A CRCHI Hard Rock TBM has achieved 1000 meters per month in Peru

A CRCHI Hard Rock TBM has achieved 1000 meters per month in Peru

On December 6, the first hard rock TBM exported to South America by CRCHI created an advance rate record of more than 1000 meters per month for the construction of the San Gawang Hydropower Project ... More Information

Patna Metro Rail Project updates

The construction work on the underground section of Corridor 2 in Patna, the capital of Bihar, will soon be on a fast track as two of the four TBMs procured by the Delhi Metro Rail Corporation ... More Information

Tunnelling News

Biden Visits Decrepit Rail Tunnel to Promote $1 Trillion Infrastructure Law

President Biden is focused on selling his legislative accomplishments after the new House Republican majority had vowed to block his agenda for the remainder of his term. More Information

HS2 will run to Euston

The chancellor, Jeremy Hunt, has tried to quash reports that HS2 trains would not run to Euston in central London due to rising construction costs. Major breaking news this morning (27 ... More Information

Construction begins on Singapore Cross Island Line

A 12.6m-high large-diameter Tunnel Boring Machines (TBMs) will be used to construct various stretches of the tunnels between the CRL stations such ... More Information

VIC metro tunnel project reaches new milestone

Work on the rest of the Metro Tunnel is continuing at pace – with crews currently ... First use of autonomous tunnel boring machines in Australia ... More Information

Soletanche Bachy subsidiaries support River Renew tunnel project in Virginia

Tunnel boring machine (TBM) Hazel, which was lowered into its launch shaft last August, is digging the 3.2km long, 3.7m wide Waterfront tunnel… More Information

Manila Water Finished

It used a tunnel-boring machine named “Dalisay” - the first time a tunnel-boring machine was used in an urban setting in the Philippines. More Information

London Super Tunnel

Two engineers look down Farringdon tunnel under construction. ... to operate the new trains, and test out new 13-mile twin tunnels under London. More Information

_Tunneling machine breaks wall on Vancouver subway

The Broadway Subway project hit a milestone on Jan. 23 as boring machine Elsie cut through into the future site of Mount Pleasant Station... More Information

New video fly-through shows improved design as Planning Inspectorate opens period for people to take part in the planning process

National Highways has today (9 January) released a new video fly-through that illustrates the route of the Lower Thames Crossing, as the Planning Inspectorate opened the period for members ... More Information

Excavation works for second tube of Milan-Verona railway tunnel underway

The 10-metre-diameter Martine tunnel boring machine (TBM) has begun ... A great deal of railway construction work is ongoing in Northern Italy ... More Information

AMM JV Selected for East San Fernando Valley LRT Project

17 reported that they will serve as Construction Management Support Services ... Hudson River Rail Tunnel Construction to Begin in 2023 With $292M ... More Information

Construction of Cross Island Line begins, with 12 stations in Phase 1

SINGAPORE: Construction of Phase 1 of the Cross Island Line (CRL) – Singapore’s eighth MRT line – began on Wednesday (Jan 18). Almost half of the line’s stations will be interchange ... More Information

Sika AG and INEOS Enterprises have signed an agreement for the acquisition of MBCC Group’s admixtures assets

Sika AG and INEOS Enterprises, a subsidiary of INEOS, have signed an agreement for the acquisition of MBCC Group’s admixtures business in the US, Canada, Europe, and the UK and its entire ... More Information

Norwegian mega tunnel project

The Rogfast project includes the construction of nearly 27km of tunnels and is intended to reduce the time needed to drive between Stavanger and ... More Information

Femern to tender for Fehmarnbelt rail works

Femern will tender this spring a tunnel track and catenary contract for the 18km immersed road-rail ... Fehmarn tunnel cleared for construction. More Information

Seattle's huge sewage tunnel is halfway drilled. Take a look inside

A construction worker speaks with the operator of a train that is pushing a ... The gigantic drill that began digging the deep-bore tunnel from ... More Information

Tunnelling begins in Manilla

Tunneling on P488.5-B Metro Manila Subway starts today 9th January, as President Ferdinand R. Marcos Jr. led the launch of the first of six tunnel boring machines (TBM) at the subway's ... More Information

Debate: Tunnelling sector’s past achievements and future challenges

Tunnelling technology has taken huge strides forward in the last 50 years to deliver ever more complex and larger projects, but what challenges must the sector address over the next 50 ... More Information

Hudson River rail tunnel construction gets jumpstart with $292M federal grant

Work on the rail infrastructure is poised to serve as a construction milestone for the Hudson River tunnel project, which was most recently stalled by ... More Information

Mumbai's First Underground Metro Line To Be Operational Soon In 2023

Mumbai Metro Rail Corporation (MMRC) completed its tunnelling in November, 2022 by employing 17 tunnel boring machines. More Information

All contracts for Metro Manila Subway awarded this year

We have two tunnel boring machines and our plan is to operate them by Jan. 9,” Bautista said. “In 2023 we will release all of the contracts for the ... More Information

Malaysia's railway sector gets boost from cooperation with China

... high-tech methods including state-of-the-art Chinese-made tunnel boring machines (TBM) to excavate some of the longest tunnels in the region. More Information

Trial excavation underway for Tel Aviv Metro tunnels

Trial excavation is underway in Holon to assess the ground conditions that will be encountered during construction of the Tel Aviv Metro. More Information

Major highway tunnel completed in Tibet

A tunnel connecting Tsokha and Jinling townships in Penba county, Tibet autonomous region, was completed on Saturday after four years of construction. More Information

India's longest escape tunnel on Banihal-Katra rail link completed

The 12.89 km tunnel, India's longest escape tunnel, was finished on Thursday on the 111 km under-construction Banihal-Katra railway line in Jammu ... More Information

First section of Patong Tunnel, expressway projects open for bids

.. linking the Patong Tunnel project to the Muang Mai - Koh Kaew - Kathu expressway has been approved and construction of that section can be. More Information

Skanska builds subsea tunnel in Rogaland County, Norway, for NOK 5 billion, about SEK 5.2 billion

Skanska has signed a contract with the Norwegian Road Authority to build a subsea tunnel in Rogaland County, Norway. The contract is worth approximately NOK 5 billion, about SEK 5.2 ... More Information

Mega undersea tunnel under construction in China's Greater Bay Area

The construction of the steel shell of a major undersea tunnel in southern China has been completed, according to ... More Information

$16B Hudson River Tunnel Program Seeks Project Delivery Partner

GDC anticipates starting major construction in the fall of 2024, completing the new tunnel in 2035 and completing the existing tunnel rehab in ... More Information

Woodsmith tunnel and shafts making 'great progress' following reconfiguration

In addition, a tunnel boring machine has excavated 20km of the 37km mineral transport tunnel that will link the mine to the port at Teesside. More Information

Steps towards creating zero-carbon tunnels

The tunnelling industry is at a tipping point where sustainability and decarbonisation are at the top of executives’ agendas. To achieve a 1.5°c climate-change target by 2050, the ... More Information

Longest railway tunnel in the Nordics to be officially opened on Monday

The Follo Line (Follobanen) railway tunnel project has been completed, and now commuters ... which has a number of construction projects underway. More Information

Chennai Metro rail: Tunneling work from Kellys to Taramani: Tunneling machines to be procured!

Chennai Metro Rail Company has planned to buy 8 Tunnel Boring Machines for the Metro Rail Project – Phase-2, in the third corridor ... More Information

Silvertown Tunnel: Innovations needed to accommodate enormous TBM

The machine is the largest diameter TBM in the UK and is the only one being used to dig the 1.4km twin bore road tunnel, which will link Newham to the Greenwich Peninsula. The TBM will ... More Information

London Power Tunnels: a project to light up the city

Beneath the streets of London, hidden below the foundations of the city’s Victorian buildings and far from the noise of heavy traffic, moles are digging a deep web of underground tunnels. ... More Information

Mace deploys robotic dog for tunnel refurb at Heathrow Airport

Robots will never replace people in construction – but this pilot shows how they have the potential to drive greater efficiency, capture records ... More Information


We are happy to share that Dr. Sauer & Partners has been selected by Transport for London (TfL) with support from Arup to undertake a Bakerloo Line Extension feasibility study. TfL is ... More Information

Singapore LTA Awards Two Civil Contracts for Cross Island Line

A tunnel boring machine (TBM), measuring about 12 metres in diameter will be used to construct the single 5-kilometre-long tunnel, ... More Information

Watercare completes tunnelling under Manukau Harbour

The giant tunnel boring machine, Hiwa-i-te-Rangi, is in the process of digging a 14.7km long tunnel as a part of Watercare's Central Interceptor ... More Information