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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

Montreal blue line metro tunnel boring machine has arrived, time to dig

It's basically building the backbone of the blue line extension,” said project chief Maha Clour, pointing out that crews have reached the bottom of ... More Information

Norway Unveils The World's Longest Road Tunnel In A Majestic Engineering Marvel

The construction cost broke down to about 38,000 NOK (roughly £3,500) per meter, an impressive figure considering the complexity and scale of the ... More Information

Sydney Metro West construction captured on video ahead of 2032 opening

Two giant tunnel boring machines have made their way through the deepest section of Darling Harbour as part of works on the new Metro West. More Information

Bengaluru's ₹18,000-crore tunnel road project inches closer as four major firms submit bids

Four firms bid for Bengaluru's ₹18000 crore tunnel project linking Hebbal to Silk Board, expected to ease city traffic by 2029 under a 34-year ... More Information

Webuild advances Rocchetta Tunnel excavation

Upcoming construction milestones. Webuild is preparing for the next major phase on the Apice–Hirpinia section: the launch of the reinforced concrete ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Kathmandu-Tarai Expressway achieves 43.3% progress

The total length of the seven tunnels under the project is 10.979 km. ... Construction progress for the Chandram Bhir tunnel. (2,250 metres) has ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Hong Kong: Robotics And AI Enhance Tunnel Construction

It is leveraging artificial intelligence (AI), robotics and automation to advance the Trunk Road T2 and Cha Kwo Ling Tunnel project. These ... More Information

Single-Bore Tunnel Method Chosen for BART Silicon Valley Phase II

This decision allows VTA to advance project design towards 60%, stay on a critical path to tunnel construction and meet the projected revenue service ... More Information

Boring Co. begins 'controlled blasting' for Nashville tunnel at TN capitol

The Boring Co. has started excavation work at a state-owned parking lot on Rose Parks Boulevard for the Music City Loop project Wednesday, Aug. 13, ... More Information

TBM arrives in Montreal for delayed metro extension project

A custom-built tunnel boring machine (TBM) has arrived in Canada for use on a 6km extension of the Montreal Metro... More Information

Spain Confirms Feasibility of €8.5 Billion Morocco-Europe Tunnel

The study was conducted by German company Herrenknecht, the world leader in tunnel boring machines, at the request of the Spanish government's ... More Information

TxDOT spends $748M to burrow bus-size tunnels under Central Austin

The first tunnel boring machine will be deployed near ... Industry experts say tunnel boring machines typically advance about 50 feet per day. More Information

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