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Excavation begins for HS2’s first ‘barn design’ tunnel vent shaft

Excavation begins for HS2’s first ‘barn design’ tunnel vent shaft

Following the launch of HS2's first two giant TBMs, engineers working on Britain’s new high-speed railway have now begun excavating the first of five shafts that will provide ventilation ... More Information

TBM Sofia completes Metro Line 11 Extension in Paris

TBM Sofia completes Metro Line 11 Extension in Paris

On 16/7/2021 the TBM Sofia (length 106 m, weight 1450 t) arrived in the future Serge Gainsbourg station (Les Lilas). The machine has now completed the tunnel for the 6 km metro Line 11 extension, ... More Information

Lower Thames Crossing - Eight-week public consultation

The community impacts consultation – running from  July to 23:59 on Wednesday 8 September 2021 - gives Highways England communities the opportunity to have their say on ... More Information

Pair of Crossover TBMs completes Triple Tunnel Drives in Mumbai

Pair of Crossover TBMs completes Triple Tunnel Drives in Mumbai

In the Spring of 2021, the second of two 6.65 m (21.8 ft) diameter Robbins Crossover XRE TBMs made its third and final breakthrough for India’s Mumbai Metro Line 3. The first machine made its ... More Information

Italy - Breakthrough in the Marana tunnel on SS260

Italy - Breakthrough in the Marana tunnel on SS260

On the 16/07/21 there was a breakthrough in the 1148 m Marana tunnel (1,148 m), which is part of the construction works for the Amatrice - Montereale - L'Aquila section on the SS 260 Picente in ... More Information

Simplon railway tunnel: SBB is looking for volunteers for a rescue exercise

On Sunday 12 September 2021, SBB will carry out a rescue exercise to verify the intervention and evacuation procedures in an emergency event. This will take place in the over 100-year-old Simplon ... More Information

EXPO Ferroviaria opens at Fiera Milano Rho from 28th to 30th September 2021

The EXPO Ferroviaria 10th Edition will be the first Italian rail industry exhibition since the COVID pandemic started. The show covers all aspects of rail-related technology and services (including ... More Information

The First Tunnel of the Fuzhou Binhai Express Line Is Completed

The First Tunnel of the Fuzhou Binhai Express Line Is Completed

Recently, the jointly built by China Railway 17th Bureau and CRCHI, the earth pressure/TBM double-mode boring machine successfully completed the left line of Dailing Tunnel. This tunnel is part of ... More Information

TBM EPB Jinxiu ready to go into operation for the Chengdu - Zigong high speed railway

TBM EPB Jinxiu ready to go into operation for the Chengdu - Zigong high speed railway

On the 10/07/2021 China’s largest homemade EPB TBM rolled off the production line at Changsha N.2 Industrial Park where CRCHI (China Railway Construction Heavy Industry Corporation Ltd) is ... More Information

BART Silicon Valley Phase II Extension Program announcement

The following protocols and instructions apply to the Pre-SOQ meeting that Santa Clara Valley Transportation Authority (VTA) intends to convene with private sector Participants who have downloaded ... More Information

Sydney Metro West enters the next planning stage

On the Sydney Metro West project, the planning process has started for the construction of 9 new metro stations between Westmead and Hunter Street in the Sydney CBD – as well as the precincts ... More Information

€3 BILLION worth of Contracts awarded for TELT

Paris, 7 July 2021–The TELT board of directors, which met today online between Rome and Paris, has given  the  go-ahead  for  the  signing  of  contracts ... More Information

Press Release - Super sewer gets Royal visitor as project nears end of tunnelling phase

London’s new super sewer tunnel was visited today by Her Royal Highness The Princess Royal as she delved deep below the River Thames to witness the progress made during the ... More Information

Press Release - CEAR presents video of CTS Ex p Compact Distribution and Transformer substation

Press Release - CEAR presents video of CTS Ex p Compact Distribution and Transformer substation

CEAR (Costruzioni Elettrotecniche) introduces their CTS Ex p Compact Distribution and Transformer substation, as per ATEX Standard 2014/34/EU, with a YouTube video please click here to view. The ... More Information

Call for papers for 2nd PIARC Int’l Conference on Road Tunnel Operations and Safety!

PIARC and the Spanish National Committee (ATC) will jointly organize the 2nd International Conference on Tunnels and the VIII Spanish Symposium in the new Granada Conference & Exhibition Centre ... More Information

2021 ITA Awards entries: Deadline extended

An extended deadline has been set for the global tunnelling industry to submit entries for the 2021 ITA Tunnelling Awards that seek to rewards the  most  ground-breaking innovations and ... More Information

Final breakthrough for the 3RPORT project in Fort Wayne city

Final breakthrough for the 3RPORT project in Fort Wayne city

On 30/06/2021- after 3 years - TBM MamaJo completed the 7.473,39 m (5 miles) length and 16-foot (4.88 m) diameter tunnel stretching from Glasgow Avenue to Foster Park and connecting 14 ... More Information

Press release - Momentum builds as HS2 launches second giant tunnelling machine

Press release - Momentum builds as HS2 launches second giant tunnelling machine

HS2 this week launched ‘Cecilia’ - the second of two enormous 2,000 tonne tunnelling machines that will excavate the ten mile long tunnels beneath the Chiltern hills just outside London. ... More Information

TERRATEC 2nd Open TBM delivered for Mumbai’s Water Tunnel Project

TERRATEC 2nd Open TBM delivered for Mumbai’s Water Tunnel Project

TERRATEC delivers the new 3.2m dia. Open TBM that will be used by Contractor Soma Enterprise Limited to complete two drives for Amar Mahal I water transfer tunnel contract in Mumbai, India. ... More Information

Strata Tunnelling Head Mike Rispin Becomes Chair of the Underground Construction Association of SME

Strata Tunnelling Head Mike Rispin Becomes Chair of the Underground Construction Association of SME

Mike Rispin, who joined Strata Worldwide as Vice President of Tunnelling in December 2020, becomes chairman of the Underground Construction Association of The Society for Mining, Metallurgy & ... More Information

Turkey - New high-speed railway line Halkali-Ispartakule-Cerkezkoy

Turkey - New high-speed railway line Halkali-Ispartakule-Cerkezkoy

Turkish Republic Ministry of Transport and Infrastructure, General Directorate of Infrastructure Investments (AYGM) intends to construct a new high-speed railway line from Halkali to ... More Information

Completion of Melbourne's Metro Tunnel Project in 2025

Completion of Melbourne's Metro Tunnel Project in 2025

After the completion of TBM tunnelling, Arden Station is taking shape with the platforms being constructed and the Laurens Street station entrance ground floor slab poured. The twin tunnels are now ... More Information

Breaking ground on the Scarborough Subway Extension

Breaking ground on the Scarborough Subway Extension

On 23/06/2021 Metrolinx officially broke ground on the Scarborough Subway Extension, though work is already well underway. At the northeast corner of Sheppard and McCowan, crews are building the ... More Information

Press release - Getting on with the North East Link

A preferred bidder has been selected for the tunnelling package for the North East Link, which will fix the missing link in Melbourne’s freeway network, slash travel times and free up local ... More Information

City Rail Link construction - June Progress

City Rail Link construction - June Progress

The 130 m long TBM Dame Whina Cooper  has reached 60 m on its journey towards the Karangahape station under construction,  830 m away from its Mt Eden starting point. The red ... More Information

Warwick Boring – Learn all about their bid to win Elon Musk’s “Not-A-Boring Tunnelling Competition 2021”

Warwick Boring – Learn all about their bid to win Elon Musk’s “Not-A-Boring Tunnelling Competition 2021”

We are a diverse and ambitious group of 30+ engineers from the University of Warwick, UK who qualified into the Finals of Elon Musk’s Competition as the top 3% worldwide (12 out of 400 ... More Information

Tunnel breakthrough on Terzo Valico dei Giovi

Tunnel breakthrough on Terzo Valico dei Giovi

On 17/06/2021 another milestone was reached on the Terzo Valico dei Giovi project. This project was commissioned by Rete Ferroviaria Italiana (RFI) (Gruppo FS Italiane) and had its first ... More Information

Swinoujscie Tunnel - Update

So far as part of the Swinoujscie tunnel construction project the TBM Wyspiarka has tunnelled 563 m, and has installed 170, 1.5-meter rings and 154 two-meter rings. Each ring consists of 8 ... More Information

Register for the Lunchtime Lecture Series - #6 "Into the future"

Event by ITACET Foundation for Continuous Education and Training on Tunnelling and Underground Space Use -  Online on Tue, Jul 13, 2021, from 12:00 PM - 1:30 PM (your local ... More Information

Press release - Secondary lining complete on Frogmore Connection Tunnel

Press release - Secondary lining complete on Frogmore Connection Tunnel

Secondary lining on a 1.1km connection tunnel linking Wandsworth to the main super sewer in West London is now complete, marking a major milestone for the Tideway project. The Frogmore ... More Information

TELT - First of 3 Webinars during the European Year of Rail

2021 marks a key year for the strengthening of the transport sector, a year in which the commitment to the future of new generations can have a tangible effect.    Environment, ... More Information

Lyublinsko-Dmitrovskaya metro line - 50% of tunnelling completed on Lianozovo - Fiztech section

The construction of the running tunnels between the future Lianozovo and Fiztech stations of the Lyublinsko-Dmitrovskaya metro line is more than 50% complete.  The TBMs Tatiana and Irina, ... More Information

Suburban Rail Loop Current Works

The Suburban Rail Loop Authority is undertaking geotechnical investigations as part of the early planning and design work that will help determine the rail alignment and station locations. These ... More Information

HS2 launches national vote to name Warwickshire TBM

On the 09/06/2021 HS2 launched a national vote to name their third TBM – weight 2,000 t and diameter 10 m - that will dig a one-mile twin bore tunnel under Long Itchington Wood in ... More Information

Canada - Annacis Water Supply Tunnel

Canada - Annacis Water Supply Tunnel

Project Overview - To meet the growing demand for drinking water in the region, Metro Vancouver is planning to construct a major water infrastructure project called the Annacis Water Supply ... More Information

India - Pune Nashik Semi-High Speed Railway Line

India - Pune Nashik Semi-High Speed Railway Line

The central government has approved the Nashik-Pune High-Speed Railway project involving an investment of Rs 16,039 crore. The line will be funded by the government of Maharashtra (20%) and Ministry ... More Information

Tunnelling News

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

T2D Project benefits

Adelaide is the country's only mainland capital city without a non-stop motorway in its metropolitan area. The existing transport network is struggling to meet demand, with more than ... More Information

LONDON'S SUPER SEWER: A last visit to the tunnels

With shafts being capped off across the #SuperSewer project, CEO Andy Mitchell paid a visit to Chambers Wharf in Bermondsey for what could be the last time he sees the vast tunnel ... More Information

SKATE Competence Matrix for Tunnelling

The Tunnelling SKATE matrix consolidates best practice and benchmarks the role levels and Skills, Knowledge, Attitude, Training and Experience criteria for most occupations involved in ... More Information

Casablanca, Madrid and the Strait of Gibraltar tunnel megaproject

The Strait of Gibraltar tunnel megaproject is one of the few engineering projects in the world with the capacity to change the geopolitical order and relations between Europe and Africa... More Information

Metrolinx - inside the tunnel

Metrolinx is sharing a rare look inside the record-breaking tunnel currently being carved out for the 7.8-kilometre Scarborough Subway Extension (SSE) project... More Information

HS2 Project Update, January 2024

HS2 is preparing to enter a critical new phase with the development of state-of-the-art rail systems that will allow passengers to enjoy some of the world’s most reliable intercity train ... More Information

Kalpataru Projects International bags orders worth Rs 3244 crore

TBM (tunnel boring machine) tunnelling scope. Advt. According to a statement, Kalpataru Projects International Ltd (KPIL) along with its joint ... More Information

UK's HS2 High-speed Rail Nears $6B Fit-out Phase

... tunnels. Under the Chiltern Hills, around 25 miles from London, two tunnel boring machines have completed 90% of the project's longest drives, of ... More Information

Akron gets approval for smaller Northside Interceptor Tunnel, but more work planned

He said the tunnel boring machine, which must be custom-built, has been put on order. "We had to bid this project by a certain date," he said ... More Information

Shimla introduces modern tunnel

Shimla, the picturesque capital of Himachal Pradesh, has unveiled a state-of-the-art tunnel, replacing a historic passage that served for 171 ... More Information

Launch of work for India's first undersea tunnel milestone in 2023 for bullet train project

... construction, the statement said. Civil works for stations have started along with works on Surat and Sabarmati high-speed rail depots. The ... More Information

Shimla's Sanjauli-Dhalli Tunnel Is Now Open; 26 More Tunnel Projects for the Himalayan Region

For enhanced connectivity and safer infrastructure, Himachal Pradesh Chief Minister Sukhvinder Singh Sukhu inaugurated the newly constructed ... More Information

Construction firms sign $174M contract to work on Howard Street Tunnel improvement project

Swedish company Skanska and Illinois-based Fay Construction Co. have signed a $174 million contract with CSX Transportation for the Howard Street ... More Information

Sub sea tunnel opening in the Faroe Island

The Sandoyatunnel was opened for the public. The tunnel is the last of the two tunnels in the Eysturoy - Sandoy project. Each of the tunnels are around 11 km in length and the project is a ... More Information

Waterfront Tunnel

Today, the Waterfront Tunnel stretches from AlexRenew to the end of King Street, over 150 feet below the Potomac riverbed. Only a few more blocks to go in her 2-mile-long, waterway-saving ... More Information

Mechanical Earthworm: The Wonders of the TBM in Action

Welcome back to another installment in our series on the Ritom Power Plant refurbishment. Today, we delve into how the Tunnel Boring Machine (TBM) used in the project operates. ... More Information

HRBT Expansion Project

Follow HRBT Expansion Project Director, Ryan Banas for the Fall 2023 Project Tour Video as he takes us on an inside look at progress, plans, and construction updates across the corridor... More Information

Tunnels and Underground Works for Pumped Storage Hydropower Projects: Challenges and Opportunities Panel Discussion

The NSW ATS invites all members, non-members and students to participate in this captivating hybrid (in person and webinar) panel discussion centred on the challenges and opportunities for ... More Information

Lower Thames Crossing, Driving Carbon out of Construction

In December 2023, we brought together our Delivery Partners and a large cross section of the UK construction industry to share our plans to drive carbon out of the construction of the ... More Information

HS2 tunnel segments on the move from Hartlepool to London

Deliveries of HS2’s tunnel segments have begun from Hartlepool, using the UK’s rail network to minimise road traffic and drastically reduce carbon emissions. STRABAG, the company ... More Information