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History made as metro tunnelling complete under Sydney Harbour

New twin metro railway tunnels deep under Sydney Harbour are complete in a historic milestone – with all tunnelling now finished on the Sydney Metro City & Southwest project. Mega boring ... More Information

A3 Kerenzerberg tunnel update

A3 Kerenzerberg tunnel update

The A3 motorway section at the Kerenzerberg tunnel in the direction of Sargans has been in operation for over 30 years. In order to ensure road safety for the coming years and long-term operation, ... More Information

RFQs Issued for Tunnelling Works on Scarborough Subway Extension and Eglinton Crosstown West Extension

Infrastructure Ontario (IO) and Metrolinx have issued two Requests for Qualifications (RFQs) for advance tunnelling work on the Scarborough Subway Extension and the Eglinton Crosstown West Extension ... More Information

Update - Kommunarskaya Line in Moscow

On the 16/03/2020 construction of the tunnel between the Mamyri and Slavic World stations began for the new Kommunarskaya metro line. Mosinzhproekt JSC is the general designer and general contractor ... More Information

Robbins webinar

If you missed the Robbins webinar, No need to worry, you can watch an on-demand recording of their event on Big Data: Technology for Efficient TBM Tunneling please click here for further ... More Information

MineArc - Custom Refuge Chamber Strengthens Safety on Small TBM

Designing a refuge chamber to fit a 4.4m diameter tunnel boring machine with limited gantry space. Learn about the custom engineering that went into building two 10-person, 24-hour TunnelSAFE refuge ... More Information

Moscow - Western Section, Big Circle Line (BCL) launches TBMs

Moscow - Western Section, Big Circle Line (BCL) launches TBMs

On 25/02/2020  two TBMs (10 m diameter)  were simultaneously launched on the western part of the Big Circle Line (BCL) in Moscow. The TBMs will be driving two double track tunnels, TBM ... More Information

First TBM reaches De Amicis Station in Milan

On the 04/03/2020 the first TBM, involved in the construction of the tunnel for the central section of the M4 line in Milan arrived at the De Amicis station. The TBM averaged 25m/day and has now ... More Information

Events postponed

The following events have been postponed -  1. The Fehmarn Link Business Conference, which should have been held at Lalandia in Rodbyhavn on March 12, has been postponed to a later date. ... More Information

LA Regional Connector Transit Project Updates

LA Regional Connector Transit Project Updates

When the Regional Connector project is completed, three Metro light rail lines — the A (Blue), E (Expo) and L (Gold) — will finally be joined together via two 1.9-mile twin tunnels ... More Information

Robbins Main Beam overcomes Obstacles in Guangxi Province

Robbins Main Beam overcomes Obstacles in Guangxi Province

Tough TBM breaks through after navigating Faults, Karst, and More - In January 2020, a Robbins 5.97 m (19.6 ft) diameter Main Beam TBM cleared its final hurdle when it broke through in Guangxi ... More Information

City Rail Link project - Tunnelling starts in 2021

The TBM for the City Rail Link project awarded to Link Alliance, a group of 7 companies ,  is due to arrive in Auckland next spring. It will bore twin tunnels under the city centre. The $13 ... More Information

TERRATEC EPBMs gear up for new Istanbul Metro line

TERRATEC EPBMs gear up for new Istanbul Metro line

Gulermak, Nurol & Makyol JV is currently completing TBM testing on-site for the new Ümraniye-Ataşehir-Göztepe line, the latest addition to Istanbul’s metro ... More Information

Breakthrough on Halkali-Istanbul Airport Metro Line

On the 29/02/2020 the TBM EPB S50 built by Terratec broke through at Arnavutkoy-1 station after excavating 1551 metres. The work is part of the new Halkali-Istanbul Airport Metro Line. The 31km-long ... More Information

Samoter 2020 Postponed until May

SaMoTer, the international construction equipment trade fair, scheduled for the  21-25 March will now be held between the 16-20 May 2020. Asphaltica, the road infrastructure event to be held ... More Information

WTC 2020 Malaysia date change

Due to the spreading Corona Virus in Asia-Pacific and  also in Europe, the organisers of the WTC 2020 in Malaysia have decided to change  the date of the  Congress as well as any and ... More Information

Australia - Farewell our mega borer friends

Australia - Farewell our mega borer friends

Press release - Four giant boring machines are leaving Sydney after finishing tunnelling under the city, delivering 30km of twin metro railway tunnels. Their massive cutterheads, each weighing 100 ... More Information

Finland to seek EU funding

The state of Finland will apply for funding from the European Commission for the planning process of the One-hour Turku-Helsinki Rail Link, of the Finland Railway, of the Espoo city rail link, to ... More Information

First TBM breakthrough for Melbourne metro

First TBM breakthrough for Melbourne metro

On the 23/02/2020 TBM  Joan, named after former Victorian Premier Joan Kirner, broke through in a 13-m-deep shaft at Childers Street, Kensington, completing  the first section of the Metro ... More Information

Fehmarn conference

The international business conference Fehmarn Link Business Conference ´20 (FLBC) will be held on Thursday 12th  March at Lalandia in Rodbyhavn. The conference is the launching pad for ... More Information

Metro Tunnel Melbourne

Five years after work began on the Metro Tunnel, the third and fourth TBMs are being assembled before starting work on Victoria’s biggest public transport project. TBMs Millie and Alice ... More Information

Five Groups qualify to compete to build the new E18 Langangen – Rugtvedt route

E18 Langangen - Rugtvedt is part of the E18 Langangen - Grimstad section. The project is 17 km long and has a contract value of about EUR516,47 million (NOK 5.2 billion), excluding VAT. The ... More Information

Five providers will compete to build E6 Storhove – Oyer

Five providers will compete to build E6 Storhove – Oyer

The following groups of contractors and consultants have qualified to supply offers and compete to build the new E6 Storhove - Oyer. AF Gruppen -  Norconsult Arbeidsfellesskap ... More Information

iPS Powerful People and T&M Specialists Hong Kong – Strategic Partnership

iPS Powerful People and T&M Specialists Hong Kong – Strategic Partnership

iPS Powerful People and T&M Specialists Hong Kong, are two companies that have entered into a strategic business partnership agreement for civil construction projects in the Far East. T&M ... More Information

TBM Grace completes Forrestfield-Airport Link tunnelling journey

On the 18/02/2020 TBM Grace broke through at Bayswater Station, marking the end of her 8 km journey from Forrestfield to Bayswater after 32 months. In late July 2017, TBM Grace set off from ... More Information

Bözberg tunnel update

Bözberg tunnel update

The Bözberg tunnel's slab track has been completed with the installation of the last sleeper. A great moment for all those involved and an important milestone for the largest single project ... More Information

Nykirke -Barkaker upgrade begins

Nykirke -Barkaker upgrade begins

On the 31st of January, the opening ceremony for construction of the new 13.6km section of a rail line between the towns of Nykirke and Barkaker, south of Oslo has was held. The project contractor ... More Information

France - Studies continue for the future Metro line E in Lyon

In June 2019, a preliminary consultation was carried out for the new Lyon metro line E project. Sytral chose the Alai - Bellecour route with the following 6 stations: Alai, Liberation, Menival, ... More Information

Grand Paris Express - 3 New TBMs for Lines 16 and 17

Grand Paris Express  - 3 New TBMs for Lines  16 and 17

On the 5th of February 3 new TBMs manufactured by Herrenknecht were christened at the Verden site in Le Bourget, France. The consortium led by Eiffage-Génie Civil will use them to carry out ... More Information

TBM Gaia completes first tunnel for RijnlandRoute

On the 27/01/2020 the TBM Gaia (diameter 11 m) re-emerged at the Stevenshof district of the A44 in Leiden, after 6 months tunnelling and  2,250 m from its starting point at the A4 motorway. ... More Information

Watch handover assurance for the Elizabeth line

Crossrail is undertaking testing and safety certification for each station, shaft, portal & railway system for the Elizabeth line. The engineering team explain why the handover & assurance ... More Information

Deer Creek Tunnel Breakthrough

The Deer Creek Tunnel will be approximately 3.9 miles long, extending from Clayton Road in the City of Clayton, to Interstate 44 in the City of Shrewsbury. The tunnel is bored into deep rock ... More Information

Works have started on line 2 of the Sao Paulo metro in Brazil

On 17/01/2020 the Sao Paulo Governor, Joao Doria, and the Secretary Oof Metropolitan Transport, Alexandre Baldy, signed the service order for the immediate start of construction of the metro Line ... More Information

London’s new 1 Billion electricity cable tunnel

London’s new 1 Billion electricity cable tunnel

A new electricity cable tunnel south of the Thames National Grid is looking to renew and improve electricity infrastructure to ensure a continued safe and secure supply to London. Its London Power ... More Information

Tideway - TBM Ursula Half Way Through Her Journey

Tideway  - TBM Ursula Half Way Through Her Journey

Ursula, one of six TBMs being used to dig London's new super sewer, has completed half of her stretch of the main tunnel, passing Waterloo Bridge in the process. In March 2019, Ursula became the ... More Information

Selection process launched for Malta Gozo Tunnel

Selection process launched for Malta Gozo Tunnel

On January 09, 2020 Minister for Transport, Infrastructure and Capital Projects Ian Borg and Minister for Gozo Justyne Caruana, announced Infrastructure Malta is inviting interested companies or ... More Information

Tunnelling News

6 TBMs on Duty on the 27-Kilometer Line in Körfezray

Two of the six Tunnel Boring Machines (TBMs) that will serve in the first 27-kilometer phase are actively excavating tunnels, while the ... More Information

Construction on HS2's Euston tunnel will start 'fairly soon', says rail minister

Construction on the HS2 tunnel from Old Oak Common station to Euston station will start “fairly soon”, the rail minister has said... More Information

Blue Line Extension TBM Arrives at Port of Montreal

Railway Track and Structures Construction site of the future Vertières station (Pie-IX) in June 2025. Caption and photo courtesy of STM. MONTREAL - The tunnel boring machine (TBM) ... More Information

Tunnel break through milestone for Mt Messenger Bypass project

A 110 tonne excavating machine, called Hinetūparimaunga, has broken through at the northern end of the project's 235 metre-long tunnel ... More Information

$3.9 billion tunnel and bridge link for VA

Costing around $3.9 billion, the Hampton Roads Bridge-Tunnel (HRBT) upgrade Expansion project for Virginia will improve traffic flow for a key ... More Information

Extended North Tunnel Flood Mitigation Project Receives $18.2 Million in State Funding

The funding advanced by the board includes a $17.2 million loan and $1 million grant for the construction of the mile-long tunnel, which will divert ... More Information

Gateway Project faces new uncertainty amid government shutdown

Federal funding for the $16B Hudson Tunnel Project, aka Gateway, has been paused during the government shutdown, sparking political backlash. More Information

Tunnel Boring Machine Emily Passes Key Factory Test for DC Water Potomac River Tunnel Project

Tunnel boring machine (TBM), Emily. This test confirms that Emily is ready to begin excavating the southern leg of the Potomac River Tunnel — a ... More Information

Sydney Metro West achieves world-first in tunnelling technology

Sydney Metro West has achieved a world-first in tunnel construction with a Lining Erector Machine (LEM) successfully being used to line the mined ... More Information

Gateway construction continues despite Trump's claim of termination

Tutor Perini, the general contractor on the Manhattan Tunnel Project, confirmed construction activity is currently continuing as planned... More Information

Tunnelling complete for Annacis water supply project

Metro Vancouver has completed the tunnelling phase of the $450 million Annacis Water Supply Tunnel, which will complete in 2028... More Information

Santa Clara VTA confirms single tunnel plan for BART extension

With VTA now owning the tunnel boring machine, the agency assumes full responsibility for its performance, agency officials said. To manage the risk, ... More Information

Chennai: Tunnel Boring Machine Vaigai achieves breakthrough at Mandaveli Metro Station

CHENNAI: The Chennai Metro Rail Limited (CMRL) on Saturday achieved a major milestone in Phase II tunnelling works, as Tunnel Boring Machine (TBM) ... More Information

Trump 'terminates' $16 billion Hudson River tunnel project linking N.J. and N.Y.C.

President Trump said funding for the $16 billion Gateway Tunnel project is "terminated" at a press conference. New Jersey officials said they will ... More Information

$676 million underwater tunnel for India

The project is expected to cost around $676 million, with a Detailed Project Report (DPR) having now been completed. India's road transport network is ... More Information

€1.4 billion Belgian tunnel project approved

The first phase of the €1.4 billion project for Belgium’s new Limburg Noord-Zuid link has been approved. Construction should commence in 2027 on the project, which will form a section of ... More Information

Tunnel boring machine S-639B achieves breakthrough under Kanpur Metro Phase I Project

The package KNPCC-06 involves design and construction of a tunnel through TBM, cut and cover tunnel, underground ramp from Kanpur Central end of ... More Information

Lawmakers propose construction of undersea tunnel to link Luzon and Visayas

Several lawmakers from the Visayas region are proposing the construction of an underground tunnel that will serve as a permanent land connection ... More Information

Oman-UAE rail project hits major milestone with start of tunnel excavation

Tunnel excavation has begun in Oman's Al Hajar Mountains, marking a major milestone for the cross-border Oman-UAE Railway... More Information

Engineering the depths: innovative tunnelling for hydropower projects

Major schemes in Austria, China, and Germany are applying advanced underground construction techniques for hydropower projects. More Information

New tunnel, new standard: Silvertown project showcases innovation in surface protection

Originally approved in 2018, construction of the tunnel began in March 2021. In September 2023, following the completion of tunnelling works, ... More Information

Metro Manila Subway Project: DOTr launches third tunnel boring machine

Dubai: The Department of Transportation (DOTr) has launched a third tunnel boring machine (TBM) for the Metro Manila Subway Project (MMSP), ... More Information

Skanska JV wraps up $450M Baltimore tunnel nearly 2 years early

A joint venture has reached substantial completion on the $450 million Howard Street Tunnel Project in Baltimore nearly two years ahead of the original completion date, according to a ... More Information

Work continues on NYC megaprojects, despite $18B federal funding pause

Contractors on two of New York City’s largest infrastructure projects will keep digging, but they might glance over their shoulders toward Washington... More Information

HS2 Chipping Warden tunnel project moves step forward

HS2 Ltd An aerial view of the HS2 tunnel construction at Chipping Warden. A road HS2 Ltd. The 1.55 mile (2.5km) Chipping Warden tunnel will be ... More Information

First of three Tunnel boring machines on way to SA as beams go up for tram overpass

The first of three tunnel boring machines that will be used to complete the northern and southern tunnels project is on its way to SA as part of a ... More Information

Chennai Metro Rail's TBMs to begin tunneling between Thiruvanmiyur and Indira Nagar

Chennai Metro Rail begins tunnelling work in challenging stretch for phase II project, facing obstacles due to hard rock... More Information

Custom lifting gantry aids TBM removal - Construction Briefing

The four TBMs excavated the 8.4 mile (14 km) Northolt Tunnel section. Two went in each way, digging a pair of tunnels from both ends towards each ... More Information

Tunnel construction begins on Barskoon — Bedel road in Issyk-Kul region

According to the project, two tunnels, 5,340 and 3,840 meters long, respectively, will be built at Sook and Ashuu-Suu passes. They will be among the ... More Information

China debuts world's mightiest centrifuge, unleashing ultra-intense gravity

China leads the way in shield tunnelling machine development · Shield machine of south line of Yellow River tunnel starts boring in Jinan · A close ... More Information

Boring Company Launches Global Operations Control Center in Bastrop, Texas

The Boring Company has officially opened its new Global Operations Control Centre in Bastrop, Texas, the tunnelling start-up announced on X... More Information

Port of Longview Lands $35.9MM Federal Loan for Rail Expansion

Active Construction on New Hudson Tunnel Project Supporting Domestic Jobs and Economic Output ... Bridges/Tunnels, Class 1, Freight, Ports, Track ... More Information

TBM Parvati Achieves Breakthrough At Kakadeo Station Of Kanpur Metro Line 2

Brief Scope: Design and Construction of TBM Tunnel, Cut and Cover Tunnel, ramp after Double Pullia, ramps in Agriculture Depot for main line and ... More Information

Howard Street tunnel reopens ahead of schedule, boosting Baltimore's freight capacity

The Howard Street Tunnel has been reopened after being out of service since February 2025.The nearly 130-year-old tunnel extends north from Camden Yards to the Mount Royal Station and is ... More Information

Progress update on the Tunnel Boring Machine for National Grid

Following its launch in May this year, Buddug, the Eryri VIP tunnel boring machine (TBM) is making good progress digging the tunnel which will ... More Information

Mumbai-Ahmedabad Bullet Train Project Clears Major Hurdle

After months of delay, the tunnel-boring machine stuck in China is being shipped to India, clearing the path for underground construction of the ... More Information

Bright lights: This Las Vegas tunnel is getting a major upgrade

Construction is underway on Desert Inn Road between Paradise Road and Joe W Brown Drive as part of a $9.2 million improvement project on Friday, ... More Information

Panama Canal Tunnel Boring Machine Crosses Under the Canal, Marking a Milestone

Panama Canal Tunnel Boring Machine Crosses Under the Canal, Marking a Milestone on Metro Line 3. Auto-dubbed. 398 views · 6 hours ago ...more ... More Information

Major breakthrough achieved in Mumbai-Ahmedabad bullet train tunnel construction

Mumbai: A breakthrough was achieved for a 4.88 km-long tunnel between Shilphata and Ghansoli for the... More Information