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Poland - Construction started on the Rzeszow Południe-Babica section of the S19 motorway

Poland - Construction started on the Rzeszow Południe-Babica section of the S19 motorway

On 04.04.2022 a ceremony was held to mark the start of construction work on the section between the Rzeszow Południe and Babica interchanges of the S19 highway in the Pre-Carpathian Voivodeship in ... More Information

Ontario Line subway project breaks ground at Exhibition Station

Metrolinx marked the start of construction on the Ontario Line subway project, beginning with upgrades at Exhibition Station. These early works will be completed before major construction begins ... More Information

Robbins Main Beam Finishes Challenging China Drive

The breakthrough of an 8 m (26.2 ft) diameter Robbins Main Beam TBM at China’s Yin Han Ji Wei project is not only a cause for celebration, but also a triumph of technology and perseverance. The ... More Information

Green light for the third tube of the Rosenberg tunnel

At its meeting on 30/03/2022 the Swiss Federal Council approved the general project for the construction of the third tube of the Rosenberg tunnel on the A1 in St. Gallen; the two existing tubes ... More Information

Two autonomous TBMs for Sydney Metro West

For the first time in Australia, two autonomous TBMs (1,266 t and 165 m)  will be used to build twin 9-km rail tunnels between Sydney Olympic Park and Westmead, part of the EUR1.45 bn (AUD2.16 ... More Information

TBM Mireille breakthrough for the Line16 of the Grand Paris Express

TBM Mireille breakthrough for the Line16 of the Grand Paris Express

On 29/03/2022, TBM 8, christened Mireille, which had left Chelles less than a year ago, reached its first milestone by entering the future Clichy - Montfermeil station on Line 16 of the Grand Paris ... More Information

Progress at HS2’s Victoria Road site as base slab is completed

Progress at HS2’s Victoria Road site as base slab is completed

HS2’s Main Works Contractor, Skanska Costain STRABAG joint venture, SCS JV, have taken a major step forward in their work at the Victoria Road Site in Acton, completing the base slab ... More Information

Italy/Sicily – RFI will design a new project for the safety tunnel at Cefalù

The Cefalù Municipality reached an agreement with the RFI, for the construction of the evacuation tunnel serving the future Cefalù underground stop, along the Cefalù ... More Information

MAPEI's UTT Division - Santa Lucia tunnel

MAPEI's UTT Division - Santa Lucia tunnel

MAPEI's UTT Division have provided technological solutions and technical assistance for all the main applications related to excavation of the S. Lucia tunnel. The tunnel is on the new three ... More Information

Robbins Single Shield completes Canada’s Largest Outfall

Robbins Single Shield completes Canada’s Largest Outfall

Press release - On March 3, 2022, a 7.95 m (26.1 ft) diameter Robbins Single Shield TBM completed a record-setting run below Lake Ontario. The machine, for the Southland/Astaldi JV, bored 3.5 km ... More Information

HS2 reveals noise-cancelling Chiltern Tunnel north portal design

HS2 reveals noise-cancelling Chiltern Tunnel north portal design

Press release - HS2 has revealed the designs for the north portal of the Chiltern Tunnel, which has been specially designed to cut noise from trains entering and exiting the project's longest tunnel ... More Information

Snowy 2.0 - Commissioning of TBM Florence

Snowy Hydro, the main contractor for the Future Generation Joint Venture  and members of the local community celebrated the commissioning of the third and final TBM for Snowy 2.0, with a ... More Information

Inland Rail - Gowrie to Kagaru Public Private Partnership

Inland Rail is a 1,700km fast freight backbone that will transform how we move goods around Australia by providing transit times of less than 24 hours for freight trains between Melbourne and ... More Information

Public feedback period for the West Seattle and Ballard Link Extensions (WSBLE)

Public feedback period for the West Seattle and Ballard Link Extensions (WSBLE)

Members of the public are invited to attend upcoming public meetings to learn more about the West Seattle and Ballard Link Extensions (WSBLE) Project, Draft Environmental Impact Statement (EIS), and ... More Information

Inauguration of the Santa Lucia tunnel: one of the largest 3-lane tunnels in the world

Inauguration of the Santa Lucia tunnel: one of the largest 3-lane tunnels in the world

On the 19/03/2022 the new three lane Barberino di Mugello - Florence North section of the A1 motorway was officially opened to traffic. The new 17.5km road is a continuation of the Variante di ... More Information

The NPRA has entered into the PPP contract for The Sotra Connection with Sotra Link AS

The NPRA has entered into the PPP contract for The Sotra Connection with Sotra Link AS in Norway. The contract is worth EUR1.96 bn (NOK 19.8 bn). The contract was awarded in September last year ... More Information

HS2 tunnelling machines reach Chalfont St Peter ventilation shaft

HS2 tunnelling machines reach Chalfont St Peter ventilation shaft

Press release - HS2 this week confirmed that the two enormous 2,000 tonne tunnelling machines digging the high speed rail project’s tunnels under the Chilterns have completed the first stage, ... More Information

Consultation for the A303 Stonehenge DCO (Development Consent Order)

National Highways (the Applicant) has published the environmental information relating to the environmental statement submitted in support of its application to the Secretary of State for Transport ... More Information

First major UK infrastructure project to use procurement to reduce carbon

Press release - Invited shortlisted bidders to tender for the £1.9 billion contracts to build the roads, green bridges, parks and woodlands Today, (Monday 14 March 2022) we have invited ... More Information

Swiss Tunnel Congress 2022

The Swiss Tunnel Congress (STC) unfortunately did not take place as usual over the last two years, but now it’s back! The STC 2022 will be held from June 1-2, 2022 in the concert hall of the ... More Information

Secondary lining for shaft complete at Acton Storm Tanks

Secondary lining for shaft complete at Acton Storm Tanks

Press release - The team working on the most western site of the Tideway project has recently completed the secondary lining of its 35-metre-deep shaft, marking a key milestone at Acton Storm Tanks ... More Information

Construction of the E6 Kvithammar – Asen – works begin.

Construction has of the new E6 from Kvithammer (Stjørdal municipality) to Asen (Levanger municipality) for Nye Veier by general contractor Hæhre Entreprenør AS. The works started ... More Information

Breakthrough in the Vaere tunnel

Breakthrough in the Vaere tunnel

After 398 explosions and 550,000 t of rock blasted out, Nye Veier and Acciona have broken through the new tube of the 1625 m Være tunnel on the E6 from Ranheim to Værnes. Work will now ... More Information

First ever TBM for the Metro Manila Subway Project

First ever TBM for the Metro Manila Subway Project

On the 08/03/2022 the Department of Transportation (DoTr) announced that the first TBM to be used in Philippine history would be lowered into the Metro Manila Subway Project (MMSP) works. The TBM is ... More Information

Australia’s largest tunnelling machine starts digging the West Gate Tunnel

Australia’s largest tunnelling machine starts digging the West Gate Tunnel

Press release - The largest tunnel boring machine (TBM) in the Southern Hemisphere has started digging the West Gate Tunnel. The massive TBM, named Bella, was sent on its journey under ... More Information

TBM Dame Whina Cooper reassembly begins at Mt Eden

TBM Dame Whina Cooper reassembly begins at Mt Eden

Last October TBM Dame Whina Cooper successfully completed the first City Rail Link tunnel and is now currently being reassembled at Mt Eden. All parts of the TBM, the cutterhead, front shield, ... More Information

WTC2023 – Abstracts’ submission is now open

All members of the tunnelling and Underground Space family are invited to submit their abstracts, deadline 31/05/2022, for WTC2023 to be held in Athens from 12th  to the 18th  May 2023: ... More Information

Cross River Rail - Northern Tunnel Portal construction update

Cross River Rail - Northern Tunnel Portal construction update

Excavation, portal structure construction and TBM removal continues in March at the Northern Tunnel Portal site and is on track for completion in mid-2022.  Once the team reaches the required ... More Information

TBM Margherita Launched for the Cefalù tunnel in Sicily

TBM Margherita Launched for the Cefalù tunnel in Sicily

On 03/03/2022 the ceremony for the beginning of construction  of the Cefalù tunnel was held. The tunnel will be the longest of the 3 tunnels for the doubling of the ... More Information

Grand Paris Express – TBM Dorine almost ready for second departure from the Verdun shaft

Grand Paris Express – TBM Dorine almost ready for second departure from the Verdun shaft

On 30 August 2021, after 6 months of excavation at a depth of 20 m under the municipality of Bourget and the simultaneous installing of the tunnel lining, the TBM Dorine arrived at the Rolland shaft ... More Information

TERRATEC EPBM Ready for South Bangkok Cable Tunnel Project

TERRATEC EPBM Ready for South Bangkok Cable Tunnel Project

TERRATEC delivers the new 4.27m dia. EPB TBM that will be used by Contractor Nawarat Patanakarn PCL to supply the electricity in Bangkok, Thailand. TERRATEC is pleased to announce the delivery of a ... More Information

Four consortia are competing to build the Nordhavn tunnel

The Danish Road Directorate has now - after a pre-qualification - selected the four contractors who will have the opportunity to bid on the task of building the Nordhavn tunnel in Copenhagen, which ... More Information

Robbins Complimentary Webinar

Robbins Complimentary Webinar

LARGE DIAMETER XRE TBM: SUCCESS IN TURKEY & FUTURE APPLICATIONS. Can large diameter TBMs bore mixed ground efficiently? Join us as we discuss the incredible results achieved at Turkey’s ... More Information

PIARC Webinar - Road tunnels safety

On February 24th the ROAD TUNNELS SAFETY webinar will be held organised by PIARC Italy with the Italian Technical Committee "Tunnels", in collaboration with ANAS, the National Council of Engineers ... More Information

Updates from Moscow Metro Line construction

Updates from Moscow Metro Line construction

Troitskaya metro line  - The construction of the right running tunnel between the Mamyri and Bachurinskaya stations on the Troitskaya metro line has been completed. The TBM has finally ... More Information

Construction of metro Line 7 in Santiago begins

Construction of metro Line 7 in Santiago begins

On 17/02/2022  the  Chilean President of the Republic, Sebastián Piñera, together with the President of the Metro, Louis de Grange, kicked off the works with the start of the ... More Information

Tunnelling News

Bhopal Metro's Orange Line Tunnelling Begins

The Bhopal Metro project has recently reached an important milestone as tunnel boring machines (TBMs) have been positioned to begin digging work on ... More Information

A Chinese team rescued a $50M tunnel machine stuck 177 feet underground

Chinese engineers have pulled off a stunning rescue, saving a tunnel boring machine (TBM) stuck 177 feet underground beneath the Yangtze River. More Information

Fort Smith named finalist in Elon Musk's Boring Company tunnel challenge

The company selected Fort Smith's proposal from 487 applicants. The company says the winning project will receive construction of a one-mile tunnel ... More Information

Bengaluru: Four infrastructure firms bid for Hebbal short tunnel

Bengaluru infrastructure: Four firms, including Dilip Buildcon and Max Infra, bid for BDA's Rs 1086 crore Hebbal short tunnel project... More Information

TBM readied for Montreal's Blue Line extension

A custom-made 9.7m-diameter tunnel boring machine (TBM) has been assembled and lowered ready to excavate the tube from the future Vertières stop to ... More Information

$11.5B Brenner Base Tunnel Nears End of TBM Excavation

With TBMs Olga and Wilma closing in, the 55-km rail project shifts from excavation to systems integration ahead of its planned 2028 opening beneath ... More Information

$6.75 Billion Unlocked for Turkey's Bosphorus Rail Project

Multiple Earth Pressure Balance (EPB) Tunnel Boring Machines (TBMs) will need to be mobilized to carve out the subterranean corridors leading up to ... More Information

Tunneling for Nashville's underground Tesla project has begun

The Boring Company said that the first three weeks of the project will consist of the Prufrock-MB1, a machine that will help carve out the tunnel, ... More Information

Hudson Tunnel Project construction resumes

I look forward to celebrating the launch of our tunnel boring machines through the Palisades once GDC has assurance it will receive the steady flow ... More Information

Lower Thames Crossing

British suppliers could meet 90% of low carbon steel requirements. The proposed machine would be 16.4m in diameter, large enough to create a three‑lane tunnel bore, and is intended to dig ... More Information

Inside the Tunnel Boring Machine, Southampton Link Main project

A six-tonne tunnel boring machine is digging deep below the ground in Hampshire to help keep the county's taps and rivers flowing... More Information

TBM maestro inspects sites ahead of massive tunnel drive

The first machine components have arrived for the tunnel boring machines (TBMs) to be deployed on the Suburban Connect sites in Melbourne. More Information

Metrolinx provides major updates on subway and LRT projects across the GTA

Tunnel boring is advancing on multiple projects, with Scarborough's TBM ... Metrolinx says “Diggy Scardust,” the project's tunnel boring machine, is now ... More Information

Work in Progress: High-tech TBMs ready to carve underground corridor

The Bhopal Metro Rail Project is transitioning into its most challenging and sophisticated phase as two state-of-the-art Tunnel Boring Machines (TBMs) ... More Information

Sarens helps extract TBM at BC water supply project

The Annacis Water Supply Tunnel Project aims to increase the reliability and capacity of the water supply system in New Westminster, British Columbia. When complete, the tunnel will ... More Information

Judge rules in favor of New York and New Jersey for now in $16B tunnel fight with Trump

A federal judge ruled Friday to temporarily block the Trump administration from suspending federal disbursements for the Gateway Tunnel Project... More Information

Webuild: award for Sustainability Report for commitment to decarbonise through innovation

This includes the large tunnel-boring machines deployed on some of Europe's most complex projects: from the Salerno-Reggio Calabria ... More Information

Clearwater update reports initial entry area is 'stable and intact'

The tunnel boring machine being used in the project remains trapped underground just ahead of where the breach occurred. The ambitious, $630 ... More Information

Tunnel Boring Machine Market Size estimated at USD 7.08 Billion

The Tunnel Boring Machine (TBM) market is experiencing significant growth, driven by increasing urbanization, infrastructure development, ... More Information

Completing the First Section of Line 3: Tunnel Boring Machine Roars as it Emerges at Balboa

The Panama tunnel boring machine emerged and completed its first major task: the first section of the Line 3 Metro tunnel. More Information

Twin tunnel-boring titans prepare to dig new road under Sydney Harbour

Twin tunnel-boring titans are preparing to launch under Sydney Harbour to dig out a new road crossing from Birchgrove to Waverton... More Information

Monica Breaks Ground on Snowy 2.0

Monica the tunnel boring machine, with the renewable energy mega-project now more. TBM Monica is among the world's most advanced tunnel boring machines... More Information

Snowy 2.0 sets new tunnel boring machine to work, completes 46 underground concrete pours

Snowy 2.0 has set to work a fourth tunnel boring machine, a $75 million piece of drilling equipment purpose built to complete excavation of the huge pumped hydro project’s “geologically ... More Information

World's 'largest' underground assembly of tunnelling machines happening beneath Sydney

Workers are craning into place about 167 major pieces that will form the first of two giant boring machines. Once assembled like giant Meccano sets, ... More Information

Tunneling Begins on Major Water Pipeline for South Hillsborough

TAMPA, Fla. — Tampa Bay Water has begun construction on a major underground pipeline project aimed at meeting rising water demand in southern Hillsborough County, where population growth ... More Information

The massive £3billion tunnel designed to connect two continents under the sea

The construction of a huge underwater multi-tiered tunnel is underway in Turkey, that will create a direct route from Asia to Europe - and is expected to carry 1.3 million passengers a ... More Information

Riederwald Tunnel in Frankfurt is further delayed

Traffic was supposed to start flowing through the controversial Riederwald Tunnel in Frankfurt in 2033. But that's unlikely to happen. The €1.5 billion project is facing further delays – ... More Information

What happens to our metro tunnel boring machines when they hit the end of the line?

These mechanical behemoths were Betty and Dorothy, the tunnel boring machines tasked with digging the Sydney Metro West tunnels. Loading. The ... More Information

The incredible £2.8bn underwater tunnel connecting Europe and Asia

A huge new tunnel will connect Europe and Asia - and construction has already started. The Great Istanbul Tunnel is a major project. It will carry ... More Information

China develops "smart brain" for tunnel boring machines to boost underground construction

A team from Hunan University in central China has collaboratively developed an intelligent operating system for tunnel boring machines, giving these massive underground giants a "smart ... More Information

How China rescued highway project under Yangtze River

The incident occurred in February 2023 during construction of the 6.4-kilometer Jiangyin–Jingjiang Yangtze River Tunnel. Midway through excavation, at ... More Information

HS2 final tunnel drive to Euston starts next week

A team from SCS will drive a 4.5-mile twin-bore tunnel linking Old Oak Common to Euston using two tunnel boring machines, Karen and Madeleine. More Information

Work begins on £48M Knutsford sewer upgrade featuring 1.8km stormwater tunnel

Sean Reid, United Utilities county business lead for wastewater in Cheshire said: “This project highlights our ongoing commitment to improving water ... More Information

$14.6M boost moves Gering–Fort Laramie Canal Tunnel project forward

After nearly six years of planning, construction is moving forward on the Gering–Fort Laramie Canal tunnels... More Information

Webuild: second breakthrough at Trebisacce Tunnel along Jonica State Road 106

Project will help transform Jonica State Road 106 into a strategic corridor linking Ionian coasts of Calabria, Basilicata and Puglia... More Information

Ground preparation for Lower Thames Crossing tunnelling

Work is ongoing to overcome sub-optimal ground conditions in preparation for the start of tunnelling on the Lower Thames Crossing in late 2028, according to the project’s tunnels director... More Information

LA Metro approves massive $25B underground rail line to bypass 405 Freeway

The LA Metro Board unanimously approved an underground heavy rail line to connect the San Fernando Valley and the Westside, bypassing the congested 405 Freeway. The nearly 13-mile route, ... More Information

TUNNEL VISION Mega £7.4bn undersea tunnel connecting two CONTINENTS just got one step closer

A MAJOR £7.4 billion underwater tunnel connecting two continents has taken a step closer to construction. Experts have said the 24-mile tunnel is “technically viable”, paving the way for ... More Information

TBM breakthrough in Sydney

Tunnel boring machine (TBM) Jane Starkey successfully completed her 1.2km underground journey through challenging Sydney sandstone... More Information