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CRCHI TBM Exported to Switzerland Begins Operations

On September 29th, at the Ingenbohl construction site, approximately 70 kilometers from Zurich, Switzerland, a new double-shield hard Tunnel Boring Machine (TBM), designed and manufactured by China ... More Information

Lower Thames Crossing - Government extends planning deadline

On Monday 7 October, the Secretary of State for Transport announced a new deadline for Government to make a decision on the Lower Thames Crossing Development Consent Order (DCO) application, the ... More Information

A38 Saltash Tunnel technology upgrade

Press Release - Work to start in late November 2024 - We’re working with local stakeholders including the MP, councils, Derriford Hospital, Network Rail and GWR, as well as our construction ... More Information

Arrival of the First TBM for Lot 1A of the Battipaglia-Romagnano Section on the Salerno-Reggio Calabria High-Speed Line

The first of four tunnel boring machines (TBMs) designated for the excavation of tunnels in the Battipaglia-Romagnano section (Lot 1A) of the Salerno-Reggio Calabria high-speed rail line has arrived ... More Information

South Australia - Double down the TBMs purchase for River Torrens to Darlington (T2D) Project

On 29/09/2024 the South Australian Government and the T2D Alliance have formally sealed a contract to purchase three initial TBMs from world-leading manufacturer Herrenknecht. Infrastructure and ... More Information

TERRATEC achieves another successful TBM breakthrough

TERRATEC TBM S81B celebrated its first tunnel breakthrough at Otteri Station for the 116.1 km Chennai Metro Rail Phase-II Corridor 3 project in India. TERRATEC, a leading provider of tunnel boring ... More Information

Suburban Rail Loop (SRL) East - TBMs on the way

The first 4 TBMs, manufactured by Herrenknecht, for SRL East will begin arriving on site next year. The TBMs will be in the ground in 2026 and they will drill 16kms of twin tunnels between ... More Information

Switzerland - Federal Council Approves Final 3.5 km Section of the N28 in Prättigau

On September 13, 2024, the Swiss Federal Council approved the construction of the final 3.5 km stretch of the N28 between the Fideris/Jenaz and Küblis/Dalvazza junctions. The current road is ... More Information

France - Toulouse Metro Updates

Line B - At the end of August 2024, the consortium Bessac, Soletanche Bachy, GTM Sud-Ouest TP GC with the TBM Clemence Isaure - 30m long and 5,28m in diameter - completed the second ... More Information

BBT - First breakthrough in the main Brenner Base tunnel in Austrian area

The ceremony has been held for the last breakthrough of the first main tunnel in the Austrian territory of the Brenner Base Tunnel. The breakthrough is at the Sill Gorge site, between lots H21 Sill ... More Information

Announced the shortlist for the ITA Tunnelling Awards 2024!

The ITA-Aites judges selected the ITA Tunnelling Awards 2024 finalists from an outstanding pool of entries - over 100 applications from 19 countries! The finalists in the 7 categories have been ... More Information

CRCHI TBM Ready for Romania

On September 12, a 6.35m diameter TBM passed its FAT at CRCHI’s second industrial park in Changsha. It will now be shipped to Cluj-Napoca, Romania, where it will be used in the construction of ... More Information

BBT - Launch of the Wilma and Olga TBMs

The launch of the Wilma and Olga TBMs will take place on Wednesday 18th September 2024 at the BBT H53 Pfons-Brenner construction site. The first components of the two TBMs - after ... More Information

Norway - Stad ship tunnel out for tender in October

Before the Norwegian Coastal Administration can issue the tender for the construction of Stad ship tunnel, all regulatory plans related to the ship tunnel must be approved. The Stad City Council ... More Information

New Zealand - TBM Hiwa-i-te-Rangi passes three quarter mark for Central Interceptor tunnel

On 11th September the TBM Hiwa-i-te-Rangi broke through into the 30-m deep shaft at the Western Springs site. The TBM Had tunnelled a little over 13km and installing over 8100 segment ... More Information

India - Breakthrough on Namma Underground metro, Pink line, in Bangalore

The Namma Metro’s TBM Tunga S-839 B - after tunnelling 936.6 m between Kadugondanahalli Station to Nagawara Station’s South Cut & Cover Shaft – broke through on 04th ... More Information

Excavation of the northern tube of the Bjonnas twin-tube tunnel in Norway completed

Eiffage Genie Civil on Wednesday, August 28th at 4:30 PM - after 18 months of intensive excavation - achieved the first breakthrough in the Bjonnas tunnel (2540 m) on the E18 Langangen - ... More Information

United States - GDC board authorizes EUR3.43 bn (USD3.8 bn) grant agreement to fund the Hudson Tunnel Project

On August 28, 2024 the Gateway Development Commission (GDC) Board authorized GDC to enter into a final agreement in September with the Federal Railroad Administration (FRA) for a EUR3.43 bn (USD3.8 ... More Information

TERRATEC TBMs are delivering for Mumbai Sewage Disposal Project

TERRATEC 3.85m diameter Rock Slurry TBM has its first breakthrough in Malad West for Mumbai city’s 5.8 km Sewage Disposal Project-Stage II, PST-1 in India. TERRATEC celebrates the first ... More Information

HS2’s tunnelling into Birmingham reaches halfway point

The construction of HS2’s gateway to Birmingham takes a leap forward as the huge 125-m-long TBM digging the first bore of the Bromford tunnel reaches the halfway point. The 1,600 t ... More Information

Italy/Sicily – Approved access ramp to the evacuation tunnel section, on the Ogliastrillo-Castelbuono

On 3 September 2024 - following the positive conclusion of the Service Conference convened in March 2023 - the definitive project (PD) of the proposed variant for the Cefalù stop - Access ... More Information

Chile - Breakthrough under Parque Araucano for metro Line 7 in Santiago

On the morning of Tuesday, August 13, 2024, representatives of the Ministry of Transport and Telecommunications and the Santiago Metro attended the breakthrough of the future metro Line 7 of ... More Information

Sydney Metro West Mega Machines Touchdown at Sydney Olympic Park

Sydney Metro West Mega Machines Touchdown at Sydney Olympic Park The construction work to deliver the 24-km new Sydney Metro West railway power ahead. The mega project has recently achieved a slew ... More Information

Spotlight on Scandinavian Infrastructure: A Massive Opportunity on the Horizon

Press release - The Norwegian Public Roads Administration has announced a landmark project—the construction of the E134 Oslofjord connection, Stage 2. With a contract value estimated at NOK ... More Information

Snowy 2.0 confirms 4th TBM

A new tunnel boring machine will be deployed to help keep Snowy 2.0 on its delivery timeline, subject to approval by the NSW Department of Planning, Housing and Infrastructure. New ground testing ... More Information

Registration for WTC2025 is now open

The registration for the World Tunnel Congress 2025 in Stockholm is now open. In less than a year, WTC2025 will take place at Stockholmsmässan in Stockholm. Join WTC2025 to connect with ... More Information

TBM breaks ground in Watsonia for North East Link

The first of two massive TBMs - 90 m long, 15.6 m high, and 4000 t weight - has begun digging the 6.5 km twin road tunnels between Watsonia and Bulleen that will take 15,000 trucks off local roads ... More Information

Reusing dirt and rock as we build the North East Link tunnels

The TBM involved in the construction of the 6.5km North East Link road tunnels will excavate around 5 million tonnes of very deep underground dirt and rock: natural material that can be ... More Information

Breakthrough on Two Lines and First Connecting Passage of the Guangzhou Haizhu Bay Tunnel

Press release - On July 15th, the Guangzhou Haizhu Bay Tunnel project achieved a significant milestone with the successful breakthrough of both tunnel lines. This project marks the construction of ... More Information

Join Mapei’s Underground Technology Team for an Exciting Event at Our Mapei World London City Showroom

📅 Date: [Thursday 22nd AUGUST] 🕒 Time: [2 PM- 6 PM] 📍 Location: [Mapei World London City Showroom, 6 Great Sutton Street, London, EC1V ... More Information

PRESS RELEASE - We’re half way there! HS2’s Northolt Tunnel under the capital is 50% complete

Quartet of tunnelling machines boring the Northolt Tunnel between West Ruislip and Old Oak Common station have built half of the tunnel New video and images shows the unstoppable momentum of the ... More Information

TBM Ida completes 4 Km of the westbound tube of the Brenner Base Tunnel, H41 Lot

On 22 July, the TBM Ida celebrated the excavation of the first 4 km - out of its total 8.4 km - of the westbound line tunnel to the south at the Austrian H41 Sill-Pfons Gorge construction site. The ... More Information

TERRATEC Open TBM successfully breaks through on Mumbai's Ambitious Water Transfer Tunnel

TERRATEC celebrated a significant milestone in Mumbai’s ongoing water infrastructure development with the breakthrough of a 3.2m diameter Open TBM used by Contractor Soma Enterprise Limited on ... More Information

FAT passed for TBM 1412 to be involved in Palermo-Catania Railway Lot 1+2

The TBM 1412, an EPB with a diameter of 9.48 m, set to excavate Fiumetorto - Lercara Diramazione section (Lot 1+2), as part of the Palermo-Catania-Messina railway line project, has successfully ... More Information

Changsha Xiangya Road River-crossing Tunnel Is Opened to Traffic

On July 5th, Changsha Xiangya Road river-crossing tunnel was opened to traffic. The tunnel is the largest diameter shield machine tunnel in Hunan Province, China. The opening of the tunnel will ... More Information

Italy - Three new TBMs launched on the Naples-Bari and Catania-Messina Railway Lines

The works of RFI-Rete Ferroviaria Italiana (Leading Company of the FS Group Infrastructure Hub) for the major projects in Southern Italy continues at full speed. On 23 July the launch ceremony of ... More Information

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Tunnelling News

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

Hochul announces $25 million for Harlem crosstown subway tunnel design

At E. 120th St., a pair of tunnel-boring machines — currently under construction in Germany — will bore new, 8,400-foot tunnels north from the end ... More Information

Tunnelling under the Yarra River

Our two Tunnel Boring Machines (TBMs) will soon be travelling underneath the Yarra River... Approximately 300 metres of the 6.5 kilometre North East Link will be under the Yarra ... More Information

The Boring Company says its tunneling machine is 'ready to mine in Nashville'

The Music City Loop project is aimed at transporting people from Nashville International Airport to Lower Broadway in roughly 10 minutes. By Li ... More Information

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