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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

Romania - The Cluj-Napoca subway

Romania - The Cluj-Napoca subway

On 27/01/2022 the Romanian Minister of Transport, Sorin Grindeanu, signed a collaboration protocol for the construction of the subway in Cluj county, Cluj-Napoca and Floresti municipalities.  ... More Information

WTC 2023 Athens

The World Tunnel Congress 2023 will be held at the Megaron Athens International Conference Centre (MAICC) in Athens (Greece) from the 12th - 18th of May 2023.  The theme of WTC 2023 ... More Information

North Bristol relief sewer – a tunnelling breakthrough

The Wessex Water project to build a 5.5km tunnel for a new “super sewer” in Bristol has reached a major breakthrough.  After traveling for 19 months under the streets of Bristol, ... More Information

Corbulo tunnel updates

Corbulo tunnel updates

Now that the concrete work for the cross connections are ready, the teams are able to concentrate on the tunnel finishing, which includes barriers, emergency exit doors, cables and the installation ... More Information

Excavation begins on the Casacastalda tunnel in Italy

Excavation begins on the Casacastalda tunnel in Italy

The Joint Venture Besix (Brussels) and Donati (Rome) is doubling 3.1km of the SS 318 on behalf of the Italian Highway Authority ANAS.  At the beginning of February, one year after the start ... More Information

Australian Tunnelling Conference 2022

Australian Tunnelling Conference 2022

The 17th Australian Tunnelling Conference will be held from the 11 – 12 May 2022 at the Aerial UTS Function Centre in Sydney. As tunnels continue to provide the critical link to safer, ... More Information

Government moves ahead on replacement for Massey Tunnel

Nine contracts have been awarded for technical and engineering expertise to support the Province’s delivery of the Highway 99 Tunnel Program to replace the Massey Tunnel, which will improve ... More Information

Metrolinx to Release Ontario Line’s Draft Environmental Impact Assessment Report

The Ontario Line draft Environmental Impact Assessment Report (EIAR) will be made available for public review and comment from 07/02/2022 to 09/03/2022. The draft report describes existing ... More Information

The Yonge North Subway Extension

The Yonge North Subway Extension

The Yonge North Subway Extension (YNSE) is a long-awaited project that will bring faster transit to more people across York Region and Toronto. It will extend TTC's Line 1 (Yonge University) roughly ... More Information

Tunnelbuilder welcomes BAJAJ FIBRE TUFF

Tunnelbuilder welcomes BAJAJ FIBRE TUFF

The Bajaj Group - Nagpur is based in Nagpur, Maharashtra, India, and was incorporated in 1961. Bajaj Reinforcements LLP (ISO 9001:2008) are manufacturers of next generation "Macro Synthetic ... More Information

Major pylon removal project gets underway in Snowdonia

2022 will mark a significant milestone with the start on-site of a project to transform a nationally significant Snowdonia landscape that will ultimately remove the overhead electricity line and ... More Information

STRATA WORLDWIDE BECOMES RE-SYSTEMS’ EXCLUSIVE DISTRIBUTOR FOR GEL-TECH POLYMER RUBBER GEL TECHNOLOGY

STRATA WORLDWIDE BECOMES RE-SYSTEMS’ EXCLUSIVE DISTRIBUTOR FOR GEL-TECH POLYMER RUBBER GEL TECHNOLOGY

Press release - RE-Systems Group Americas and Strata Worldwide have signed a new distribution agreement naming Strata Worldwide the exclusive distributor of RE-Systems’ innovative Gel-Tech ... More Information

Sepulveda Transit Corridor scoping deadline approaching – share your comments by Feb. 11, 2022

Sepulveda Transit Corridor scoping deadline approaching – share your comments by Feb. 11, 2022

THE LA Metro is beginning the environmental review phase for the Sepulveda Transit Corridor project, which will build a heavy rail line or monorail between the San Fernando Valley and the Westside ... More Information

Purple Line tunnelling completed between Century City and Wilshire/Rodeo

Purple Line tunnelling completed between Century City and Wilshire/Rodeo

In January two TBMs Ruth and Harriet completed the 1.77 km (1.1 miles) tunnels between Century City and Wilshire/Rodeo station under downtown Beverly Hills  for Section 2 of the Purple (D Line) ... More Information

A submerged tunnel to be built connecting the cities of Santos and Guarujá

A submerged tunnel to be built connecting the cities of Santos and Guarujá

PPI (Investment Partnership Program) Council recommends qualification of studies for a immersed tunnel between the municipalities of Santos and Guarujá, in the state of Sao Paulo, some 80 km ... More Information

First breakthrough for the Phase 4 of Delhi MRTS

First breakthrough for the Phase 4 of Delhi MRTS

A major milestone in DMRC’s Phase 4 construction work was achieved at the end of December 2021 as the first ever tunnelling stretch of Phase-IV of Delhi MRTS was completed at Krishna Park ... More Information

News from Calgary's Green LRT line

The Green Line LRT is the largest infrastructure project in Calgary’s history, with EUR 3.44 bn (CAD4.9 bn) in unprecedented investments from the Government of Canada (33.47%), Government of ... More Information

TERRATEC secures all machines for Surat Metro Rail Project

TERRATEC secures all machines for Surat Metro Rail Project

TERRATEC delivers another EPB TBM that will be used by Gulermak-Sam India JV for the underground works on Phase I of Surat Metro Rail Project in India thus securing all the machines for Phase 1 of ... More Information

Breakthrough for the Coxwell Bypass Tunnel

On the 27/01/2022 TBM Donnie broke through into shaft NTTPT-1, completing 8,490m of the 10,339m tunnel. The construction works were awarded to the Joint Venture North Tunnel Constructors ULC ... More Information

Winning names for the Eglinton Crosstown West and Scarborough Subway Extension TBMs revealed

After thousands of votes from the community, the winning names are in for the Scarborough Subway Extension’s TBM and the two machines that will build the Eglinton Crosstown West ... More Information

Tunnelbuilder welcomes Sandvik

Tunnelbuilder welcomes Sandvik

Sandvik is a high-tech and global engineering Group with about 37,000 employees with a strong commitment to enhancing customer productivity, profitability and sustainability.  Our operations ... More Information

New dates for WTC 2022

New dates for WTC 2022

The WTC2022 Organizing Committee and the ITA announce that the WTC 2022 in Copenhagen will take place from Friday September 2 to Thursday September 8, 2022, instead of April 22 to 28 at BELLA ... More Information

TBM Breakthrough on Lima metro Line 2

TBM Breakthrough on Lima metro Line 2

On the 21/01/2022 Delia, the first TBM to excavate beneath the city of Lima (Peru) and launched in July 2021, has completed the 720-m tunnel section between San Juan de Dios (E-19) and ... More Information

Mumbai Coastal Road - 1st Breakthrough of TBM Mavala

Mumbai Coastal Road - 1st Breakthrough of TBM Mavala

At the beginning of January 2022 L&T completed the 2072 m long tunnel from Priyadarshini Park to Girgaon Chowpatty/Girgaum Chowpatty/Girgaon Chaupty. It’s the first breakthrough for the ... More Information

Geothermal system from tunnel to power visitor centre

The invitation to tender for construction of electrical and lighting installations, piping, data connection cables, control units, etc. for the visitor centre at the Turin-Lyon construction site in ... More Information

First TBMs ordered for Sydney Metro West

Two 1266 tonne, 165 m long double-shield, hard rock, gripper-type TBMs have been ordered to build the city’s next metro rail tunnels as part of the Sydney Metro West project, with the first ... More Information

Progress report for the Brenner Base Tunnel

As of January 2022, 4 main construction lots are under construction: Mules 2-3, Isarco River Underpass (Italian project area); Sill gorge, Sill gorge - Pfons (Austrian project area).  In ... More Information

Breakthrough for DTSS - Phase 2

Breakthrough for DTSS - Phase 2

On the 15/01/2022 the 2nd TBM, named Yuan Ching, with a 7.56m diameter, broke through at around 60m below ground for the Deep Tunnel Sewerage System Phase 2, Contract T-09. The TBM has completed its ... More Information

TBM for Pawtucket Tunnel Project passes FAT

TBM for Pawtucket Tunnel Project passes FAT

On the 14/01/22 the 10.3m Multi-Mode TBM, built by Herrenknecht for Narragansett Bay Commission's (USA) Pawtucket Tunnel Project, passed its Factory Acceptance Testing. The TBM - commissioned by the ... More Information

Canada – Latest News on Eglinton Crosstown West Extension and Scarborough Subway Extension

Canada – Latest News on Eglinton Crosstown West Extension and Scarborough Subway Extension

The TBMs, which will dig the tunnels for the Scarborough Subway Extension and the Eglinton Crosstown West Extension in Toronto, arrived at the ports of Oshawa and Hamilton in mid-December 2021. ... More Information

Tunnelling News

Ruby deployed for final Metro West tunnel beneath Sydney Harbour

Tunnel boring machine (TBM) Ruby has begun carving out the final section of tunnel for the Sydney Metro West project. More Information

Photos: Inside the $250 Million Tunnel Being Constructed Under Columbus

Located at an average depth of 50 feet underground, the 12-foot-diameter tunnel has been under construction since early 2021. By the time it is ... More Information

Tideway: £4.5bn ‘super sewer’ begins to protect Thames as first 4 sites activated

The Thames Tideway Tunnel has commenced operation as the first four of 21 sites have been switched on. This means that, after eight years of construction, the 25km £4.5bn “super sewer” has ... More Information

Lowest bidder emerges for Dubai Metro Blue line

Dubai’s Roads & Transport Authority (RTA) opened bids from contractors for the contract to design and build Dubai Metro’s Blue Line on 8 October. The group of China Tiesiju Civil ... More Information

Sanya River estuary passage project makes steady progress

A drone photo shows the construction site of the Sanya River estuary passage project in Sanya, south China's Hainan Province, Oct. 12, 2024. The Sanya River estuary passage project ... More Information

Mumbai Metro 3: Breaking Ground, Defying Odds

Two tunnels for the 33.5-km corridor (Colaba to Aarey), totalling 55 km, were carved out, using 17 Tunnel Boring Machines (TBMs). Certain sections ... More Information

VIDEO: Drone fly through inside new HRBT tunnel

We can't fly you to the moon, but we can fly you through the new #HRBTExpansion tunnel. Drone video gives you a quick glimpse into the... More Information

Skanska receives Innovate UK funding to accelerate decarbonisation of concrete

Our Skanska Costain STRABAG JV has secured funding to trial repurposed London Clay as a low carbon alternative to cement... More Information

Longest Tunnel in the World Entering Final Phase Underneath Newburgh

Repair Plans for the Delaware Aqueduct in Wawarsing and Newburgh, NY. The plan for repairs involved the construction of a 2.5 mile bypass tunnel ... More Information

Two TBM's break through

Two TBM's break through. Joshua Farrell ... tunnelling segments to line the new tunnel walls. Work inside the ... More Information

Texas A&M eyes Elon Musk's Boring Company for tunnel system

A&M officials have conducted a feasibility study with positive results, but they have yet to talk with Musk about the project, Chief Operating Officer ... More Information

Construction Begins on £1.8bn Underwater Tunnel Under Panama Canal

The tunnel is part of Panama's Metro Line 3 monorail project, designed to ease traffic congestion in the metropolitan area. tunnel boring machine... More Information

Webuild at work on the massive railway tunnel at the heart of the Northeast Corridor

After years of planning, the Hudson Tunnel Project (HTP) to improve the railway connection between New York and New Jersey has begun. The first drilling contract for the tunnels, part of ... More Information

TfL Awards Contract for Elephant & Castle Tube Station Upgrade

Transport for London (TfL) has selected Dragados UK to design and construct new passenger tunnels at Elephant & Castle Tube station. These tunnels will connect the new station box to the ... More Information

More than 10 years of transformational tunnelling

More than 23,000 workers, 11 tunnel boring machines (TBMs) and an army of roadheaders and excavators are what it has taken for CPB Contractors to construct more than 80 kilometres of ... More Information

Ivy – the Newest Member of the DEME Marine Fleet on the Fehmarnbelt Tunnel Project

DEME have introduced “Ivy”, the newest member of their marine fleet for the Fehmarnbelt tunnel project! Specifically designed for the transport and immersion of the project’s 89 massive ... More Information

Double down: SA’s groundbreaking purchase

Up to twice the number of Tunnel Boring Machines previously anticipated will be delivered to South Australia for the landmark River Torrens to Darlington (T2D) Project, giving hope the ... More Information

CRL Tunnel Vision September 2024

This month in Tunnel Vision we’re celebrating Te Wiki o te Reo Māori! It’s been a busy month on the CRL fitting out the stations with all the technical systems needed to run and revealing ... More Information

Siddhababa tunnel achieves key breakthroughs.

The first and third cross passages of the Siddhababa Tunnel Project on the Siddhartha Highway have achieved breakthroughs. Construction of two of ... More Information

Ontario Exploring Feasibility of New Highway 401 Tunnel

Today, the Ontario government launched the technical evaluation for the construction of a new driver and transit tunnel expressway under ... More Information

National Highways unveils modernisation plans to upgrade A38 Saltash Tunnel

National Highways will be embarking on the second phase of a major modernisation upgrade of the A38 Saltash Tunnel later this autumn... More Information

Strong sustainability score for North East Link

Three mini tunnel boring machines (TBMs) moved 1.8km of the Yarra East Main Sewer to the east of Bulleen Road, beneath homes, schools and sports ... More Information

Tunneling through the Carpathians

AKTOR's innovative use of Tunnel Boring Machines (TBMs) represents a leap forward in engineering and construction technology in the region. Here ... More Information

Suburban Rail Loop to repurpose enormous Sydney Metro machines

The Victorian government's Suburban Rail Loop (SRL) is making major strides, with the first four tunnel boring machines (TBMs) now ordered and set to ... More Information

The incredible tunnel that cost £108m to build is the longest on an entire continen

Colombia's mega project will see the country honoured as having the longest tunnel in South America when completed, benefitting locals and ... More Information

Panama Excavates First Underwater Transport Tunnel

Panamanian President José Raúl Mulino this week officially began construction and lining work on the first underwater transport tunnel that will ... More Information

Ningbo-Zhoushan High-Speed Railway, China

The tunnelling operation uses two tunnel boring machines (TBMs) named Dinghai and Yongzhou. The two are anticipated to converge midway beneath the ... More Information

Boring on metro tunnel below Adyar river complete

The tunnel boring machines - nicknamed Kaveri and Adyar - were engaged for the work. Kaveri has successfully completed the tunnelling drive, while ... More Information

DMRC completes first twin tunnels

DMRC completes first twin tunnels breakthrough under Phase-IV construction tunnels breakthrough under Phase-IV construction. The two tunnel boring machines (TBMs), Bhoomi and Srishti, ... More Information

BART celebrates 50 years with completion of Transbay Tube retrofit

BART celebrates 50 years with completion of Transbay Tube retrofit. Tunnel project ends agency's $1.5B earthquake safety effort. Avatar photo by Bay ... More Information

US$12.2 billion for new Indian tunnels

A US$12.2 billion budget will boost tunnel construction in India. The plans from the Ministry of Road Transport & Highways calls for 74 new tunnels to be built. These will measure 273km ... More Information

Hong Kong West Drainage Tunnel

Arup is the consultant to the Hong Kong Drainage Services Department in carrying out the design, pre-qualification, tender and construction ... More Information

Lane JV Wins Tunnel Package for Hudson River Tunnel Project Valued at $466 Million

CHARLOTTE, NC – The Lane Construction Corporation, the U.S. subsidiary of Webuild Group, has won a $466 million contract, of which Lane has a 35% share, to construct the Palisades Tunnel ... More Information

World’s biggest developers eye bids for Dublin MetroLink contracts

A consortium made up of some of the biggest infrastructure developers in the world has formed in preparation to bid for contracts to build and operate the long awaited MetroLink rail line ... More Information

The Boring Company's Prufrock-3 completes Las Vegas tunnel

The tunneling startup did not share the length of the tunnel that ... construction projects with speed and automation. This is highlighted by ... More Information

Coastal road phase 2: Mumbai's second twin tunnel to pass under rivers, mangroves

As part of phase 2 of Mumbai's Coastal Road Project, a 22.93 km high-speed corridor linking Versova with Dahisar will be created. More Information

Rock tunnel for £1.7bn Norway road scheme takes shape

The consortium responsible for the construction of a new road system in Norway has excavated approximately 500m of a new 1.9km long tunnel... More Information

Tunnel boring machine reaches halfway point on HS2's route into Birmingham

Balfour Beatty VINCI is celebrating a key milestone in the construction of HS2's gateway to Birmingham. The joint venture today (Thursday 29 ... More Information

Gateway Development Commission secures $3.8B in funding for Hudson Rail Tunnel project

The money is the final funding piece for the $16 billion project to build a new rail tunnel that will carry Amtrak and New Jersey Transit trains under ... More Information