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Breakthrough on DTSS Phase 2 for Leighton Asia

Breakthrough on DTSS Phase 2 for Leighton Asia

On 17/05/2021 Leighton Asia's Deep Tunnel Sewerage System Phase 2 - Contract T-09 in Singapore marked a major milestone, with the first 7.56m diameter TBM Teban breaking through at the South Tunnel. ... More Information

7th Edition of the ITA Tunnelling awards

The international competition "the ITA Tunnelling Awards" seeks and rewards the most ground-breaking innovation and outstanding projects in tunnelling and underground space ... More Information

Micro Tunnel Boring Machine lowers into shaft to begin first tunnelling for Watercare’s groundbreaking Central Interceptor project

Micro Tunnel Boring Machine lowers into shaft to begin first tunnelling for Watercare’s groundbreaking Central Interceptor project

A micro Tunnelling Boring Machine (MTBM) called ‘Domenica’ has been successfully lifted into a shaft at the May Rd, Mount Roskill site for Watercare’s Central Interceptor ... More Information

TBM Urvi completes Tunnelling work on the Kolkata/Calcutta East-West Metro Corridor

TBM Urvi completes Tunnelling work on the Kolkata/Calcutta East-West Metro Corridor

On the 15/05/2021 the Joint Venture ITD-ITD Cementation India Ltd celebrated the TBM Urvi breakthrough at a retrieval shaft in Bowbazar (click here for the video), completing the entire TBM ... More Information

Cross River Rail updates

Cross River Rail updates

The 165 m long TBMs Else and Merle, both weighting 1350-t,  are excavating the Cross River Rail’s twin tunnels from the launch site at Woolloongabba north towards Albert Street beneath ... More Information

HS2 launches TBM Florence the first of 10 TBMs to dig underneath the Chilterns

HS2 launches TBM Florence the first of 10 TBMs to dig underneath the Chilterns

On 13/05/2021 HS2 Ltd launched the 2,000 t TBM Florence from HS2’s South Portal site next to the M25 in Buckinghamshire. It’s the first of 10  TBMs that will collectively dig ... More Information

NEBT tunnel completed in Washington D.C.

NEBT tunnel completed in Washington D.C.

In April the Joint Venture Webuild Group /Lane Construction  completed excavation of the EUR 477.53 million (USD580 million) Northeast Boundary Tunnel (NEBT) project in Washington, ... More Information

Second Sydney Harbour tunnel added to the Priority List

Infrastructure Australia added the New South Wales Government’s proposal for a second Sydney Harbour tunnel as a Priority Project on the Infrastructure Priority List. This proposal for a ... More Information

Australia's longest road tunnel proposed for Great Western Highway upgrade

The Great Western Highway is a critical road link between Sydney and the Central West and traverses the sensitive Blue Mountains environment through several towns and villages. The NSW ... More Information

The Forrestfield Airport Link - May project update

Last week Transport Minister Rita Saffioti MLA announced that the first operational trains for the Airport Line are expected to run in the first half of 2022. While this is later than anticipated, ... More Information

Dame Whina Cooper TBM - official launch in Auckland

Final checks are now underway before the TBM Dame Whina Cooper for the Auckland’s City Rail Link starts cutting into Auckland soil in mid-May. When it will be excavating the first of the two ... More Information

Environmental approval for the Fehmarnbelt project

The construction of the fixed link across the Fehmarnbelt is taking shape, and a new milestone has just been passed. On 3rd May, the Fehmarn Link Contractors (FLC) received the final environmental ... More Information

Tideway - TBM Ursula leaves London

Tideway - TBM Ursula leaves London

On the 07/05/2021 a 1800 t Matador 3 floating crane lifted TBM Ursula off site at Chambers Wharf for her onward journey by sea to Rotterdam. Please click the link to view the lifting of the TBM ... More Information

Focus Turns To Stations As Melbourne Metro Tunnels Towards Completion

Focus Turns To Stations As Melbourne Metro Tunnels Towards Completion

On the May's first week-end Alice, the third TBM to finish work on the Melbourne Metro’s twin tunnels, broke through at Town Hall Station after successfully digging under the Yarra. It leaves ... More Information

STRATA WORLDWIDE TO DISTRIBUTE AURA IQ CONVEYOR HEALTH MONITORING TECHNOLOGY

STRATA WORLDWIDE TO DISTRIBUTE AURA IQ CONVEYOR HEALTH MONITORING TECHNOLOGY

Strata Worldwide has signed a new Premium Partnership Agreement with Future Fibre Technologies to distribute the company’s FFT Aura IQ™ Conveyor Health Monitoring System into ... More Information

Hagerbach NXT 50 Festival 18.6.2021

On June 18, 2021, Hagerbach Test Gallery celebrates its 50th birthday in the form of a hybrid event. You can expect a varied programme consisting of exciting presentations and discussion rounds as ... More Information

Innovation and digital transformation, main challenges and goals for Zitrón

Innovation and digital transformation, main challenges and goals for Zitrón

This year Zitrón takes part in the IV Edition of Open Innovation 4.0 Asturias, a public-private collaboration initiative between IDEPA, CEEI and companies that, like ... More Information

Red Gate is the star of the new PPS TBM guidance system generation

Red Gate is the star of the new PPS TBM guidance system generation

Not only does Red Gate steer the PPS motor prism or laser targets it also provides dual-inclination values to PPS completely new software. Highly flexible it can also connect additional sensors like ... More Information

The Tel Aviv Metro Network Programme

NTA – Metropolitan Mass Transit Systems Ltd is a government company tasked with the development of the Tel Aviv Metropolitan Mass Transit System, which includes a metro network, comprising ... More Information

Assembly started of TBM for metro Line 2 in Peru

Assembly started of TBM for metro Line 2 in Peru

The assembly of the first TBM EPB (S-972) for the Lima and Callao Metro Line 2 has begun at the future station of San Juan de Dios (n.19) in San Luis district. The machine which is 120 m long and ... More Information

Zoomlion Europe inaugurates new production plant in Italy

Zoomlion Europe inaugurates new production plant in Italy

CIFA Spa, part of the Zoomlion Group, pursues its development plans with the construction of a new plant to manufacture and assemble cranes, truck cranes, forklifts and AWPs.  CIFA ... More Information

UCA Scholarships

If you are interested in a career in underground engineering, we can help you get there. Scholarship opportunities exist to help further your career aspirations. Apply for conference ... More Information

Pune Metro completes underwater Mutha river tunnel

Pune Metro completes underwater Mutha river tunnel

Pune Metro has constructed Pune's first underwater metro tunnel below the Mutha river bed. On 21/04/21 the TBMs Mutha and Mula completed two tunnels of approximately 240m and 223m between the Civil ... More Information

JIMT/TERRATEC EPBM delivered for the Taoyuan MRT Green Line

JIMT/TERRATEC EPBM delivered for the Taoyuan MRT Green Line

On behalf of JIM Technology (JIMT), TERRATEC is pleased to announce the delivery of the 6.24m diameter Earth Pressure Balance Tunnel Boring Machine (EPBM) that will be used by BES-DAIHO-OKUMURA JV ... More Information

Finland and Estonia sign a MoU on cooperation in the transport sector

Finland's Minister of Transport and Communications Timo Harakka and Estonia's Minister of Economic Affairs and Infrastructure Taavi Aas have signed a Memorandum of Understanding for cooperation in ... More Information

TBM Olivia breaks through at Havneholmen for the M4 extension, Copenhagen

TBM Olivia breaks through at Havneholmen for the M4 extension, Copenhagen

On the 23/04/2021 - after more than a year - TBM Olivia completed the tunnel excavation of the M4 line extension to Sydhavn in Copenhagen. The machine broke into the chamber at Havneholmen, which ... More Information

Metro Line 3 Extension in Brussels

Project owner Beliris - a cooperative venture created jointly by the Federal Government of Belgium and the Brussels-Capital Region – has decided to extend line 3 of the Brussels Metro system. ... 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

APRIL 27, 2021 – RE-Systems Group Americas and Strata Worldwide have signed a new distribution agreement naming Strata Worldwide the exclusive distributor of RE-Systems’ innovative ... More Information

Warwick Boring Finalists in Elon Musks “Not-A-Boring Tunnelling Competition 2021”

Warwick Boring are looking for financial support to fund their bid to win in a global competition organised by Elon Musks the Boring Company. They are already finalists so if you are wanting to ... More Information

WTC 2023 in Athens

WTC 2023 in Athens

Greece is the official host of the ITA-AITES World Tunnel Congress 2023 and 49th General Assembly. Greece will host WTC 2023 under the aegis of The Greek Tunnelling Society (GTS) with the theme ... More Information

NHSRCL signs MoU for Track works for Mumbai Ahmedabad High Speed Rail corridor

National High Speed Rail Corporation Limited(NHSRCL) signed a Memorandum of Understanding (MoU) with Japan Railway Technical Service (JARTS) for Training & Certification and Advisory Services ... More Information

WTC 2022 –Second Round of Abstract Submission Opened

Participants are invited to submit a short 200 word abstract, relating to the general topics of the conference. Please choose one of the main themes and one of the sub-topics.  The ... More Information

EIA required for the planned Bromford Tunnel extension on HS2 railway

HS2 is developing a more detailed design for Phase One of the HS2 railway, following the appointment of its main works contractors. The design process is helping HS2 plan and prepare for the ... More Information

BAUMA postponed to October 2022

BAUMA, the World's Leading Trade Fair for Construction Machinery, Building Material Machines, Mining Machines, Construction Vehicles and Construction Equipment , has been postponed  from ... More Information

Robbins Most Momentous: 2021 Global Project Updates

Robbins Most Momentous: 2021 Global Project Updates

From China’s largest Crossover TBM launch to an epic 13.77 m diameter XRE that began boring recently in Esme, Turkey, we’ve compiled the year’s most momentous events thus far. Read ... More Information

Brenner Base Tunnel: Breakthrough of first main tunnel below the Isarco river

Brenner Base Tunnel: Breakthrough of first main tunnel below the Isarco river

On 19/04/2021 - about one month after construction works started, they broke through. The works were below the riverbed of the Isarco river for the future Brenner Base Tunnel railway. Excavation ... More Information

Tunnelling News

New game-changing tunnel boring, reef cutting 'meeting and beating' all expectations

UG2 reef at Bokoni is the target of the twin mobile tunnel boring and narrow reef cutter. Tunnelling will be done with the mobile tunnel borer for ... More Information

Mota-Engil CEO confirms winning bid for Santos-Guaruja tunnel

The company's subsidiary, Mota-Engil, has won the tender for the construction and operation of Brazil's first underwater tunnel, connecting the ... More Information

Metro Vancouver Utility Nearing Finish of $288M Annacis Water Tunnel

“Resilience is at the heart of this project,” said Nedim Alca, COWI's North America market director. “What makes this milestone so significant is not ... More Information

Fehmarnbelt: Danish tunnel portal nears completion

The work on the entrance to the Fehmarnbelt tunnel at Rødbyhavn on Lolland is almost complete. photo courtesy of The Fehmarnbelt Project. More Information

Final decision on airport tunnel 'now or never'

Alderman Jim Stevenson and City administrators are making a dramatic last push for the airport tunnel before construction on the new north/south ... More Information

Athens Metro Line 4 works to finish by 2029

The construction of Athens Metro Line 4 is progressing steadily, with the entire project ... Tunnel mistakenly excavated in Athens metro project. More Information

First trains on track to run through Metro Tunnel within three months

Melbourne's $15.5 billion Metro Tunnel could be switched on in as little as three months as construction wraps up at two CBD stations and trains ... More Information

Petersburg crews to begin tunnel project in response to ongoing flooding, damage - WRIC

As ongoing water issues have caused significant damage to infrastructure around Petersburg, the Old Towne neighborhood ... More Information

Intelligent optimization framework for tunnel construction

Tunnel construction forms the foundation of railway development and is essential for ensuring route continuity and operational efficiency. However, ... More Information

São Paulo positions TBM for next phase of Line 2-Green

A major milestone was reached on Monday (1 September) with the lowering of the cutter head of the tunnel boring machine (TBM) Cora Coralina... More Information

The 700-ton machine that'll dig NYC's Second Avenue subway extension

NYC has a new tunnel boring machine in its toolbox for the expansion of the line under 2nd ave. If you've never seen some BIG earth moving machines, ... More Information

Light at the end of the tunnel showing for Mount Washington transit project

The project is expected to be completed in October. New tracks finally emerge from the Mount Washington Transit Tunnel as a part of Pittsburgh ... More Information

Davao City Bypass South Tunnel hits breakthrough towards improved connectivity

The Construction Project with the ceremonial breakthrough of the southbound tunnel, marking the complete excavation from opposite ends of the ... More Information

Which companies are bidding for the US$2.3bn highway and tunnel contracts in Brazil?

The project in Brazil, as it will be the country's first underwater tunnel,” the person added. The project involves construction of a 1.5km tunnel ... More Information

US Northeast Rail Corridor Gets a Major Makeover with Tunnel and Bridge Replacements

This project is designed to replace tunnels severely damaged by Superstorm Sandy, ensuring smoother and more reliable service for Amtrak, NJ Transit, ... More Information

DPWH, JICA celebrate breakthrough of Southbound Tunnel in Davao Bypass

The event marked the successful connection of the tunnel's north and south ends. The ... More Information

Jacobs joins Ramboll on Marselis road tunnel project in Denmark

Danish Road Directorate senior project manager Michael Schmidt Vosgerau said: “It is a complex task to build a tunnel on one of the busiest access ... More Information

Planning continues for Midway Tunnel, Safe Streets for All projects

The Midway Tunnel project is a $13.4 million plan ... construction of a new overpass bridge and pedestrian and bicycle walkway above the tunnel. More Information

Four million tons of clay moved in HS2 excavation

Construction on HS2's second-longest tunnel started in October 2022. The rotating cutters cut away clay and other material at a rate of about 50ft ... More Information

Jacobs Has Design-CM Role on $640M Denmark Tunnel, With Ramboll as Key Consultant

Set to begin construction in 2028, Marselis Tunnel project is core component of the country's 10-year Infrastructure Plan 2035. By Emell D. Adolphus. More Information

Elon Musk's $760,000,000 plan to build underground tunnels beneath Houston, Texas

Elon Musk's next big construction plan from The Boring Company could build $760000 worth of tunnels beneath Houston to help with flooding... More Information

Kerala Moves Closer To Vizhinjam–Balaramapuram Tunnel Rail Project

The Kerala government is preparing to invite bids next month for the tunnel rail project linking Vizhinjam International Seaport with ... More Information

Norway's Ship Tunnel Project Under Threat as Costs Rise

New cost estimates suggest the ambitious project will far exceed its approved budget, raising questions about whether it will ever be built. More Information

Davao City Bypass southbound tunnel nears breakthrough

The Department of Public Works and Highways (DPWH) announced that the southbound tunnel of the Davao City Bypass Construction Project (DCBCP) is ... More Information

CA should pursue better alternatives to the costly Delta Tunnel Project Stocktonia

Governor Gavin Newsom is attempting to fast-track the construction of a massive, budget-busting water tunnel through the Delta to ship freshwater to ... More Information

Physical Origins of Shear Strength Fluctuations in Fault Gouges

Fault gouge is rock texture within fault zones that may include rock fragments (RF) and foliated structures. Previous studies have primarily focused on remould soils, the natural structure ... More Information

Webuild expands its role in high-speed rail projects

Four modern tunnel boring machines will be deployed to ensure precision and safety in complex geological conditions. Once completed, the old single- ... More Information

Hudson Tunnel Project advances as tunnel boring machines near completion

The Hudson Tunnel Project hit a key milestone as massive tunnel boring machines near completion, with delivery set for November. More Information

Nagdhunga tunnel in final stages of construction

If we look at the history of road construction and development in Nepal, there are various records of road construction starting from the Rana period. According to articles published in ... More Information

Boring of tunnel across Yellow River completed in China's Shandong

Constructed by using a "Shanhe" shield machine with a 17.5-meter excavation diameter, this double-deck, two-way, six-lane tunnel stands as the world's ... More Information

The £1.6bn plan for world's deepest underwater road tunnel leaving 'no room for error'

Opening of Rogfast tunnel under construction. The Rogfast tunnel will be the longest and deepest undersea road tunnel on Earth. (Image: SKANSA). A ... More Information

Tunnelling complete on NSW's Coffs Harbour bypass project

Tunnelling has been completed on the A$2.2bn (£1.1bn) Coffs Harbour bypass project in New South Wales, Australia, with the excavation of the third ... More Information

Veidekke acquires tunnel construction contract for Gothenburg's West Link Project

Veidekke has received a contract from the Swedish Transport Administration to build the Stora Hamnkanalen tunnel, a component of the West Link ... More Information

German Rail completes construction of Rastatt Tunnel

GERMAN Rail (DB) has completed civil works on the new 4270m twin-bore Rastatt Tunnel, a major component of the project to widen to four tracks the ... More Information

Final contracts signed for Eastern Freeway transformation

A huge amount of work is underway to build North East Link and upgrade the freeways – two tunnel boring machines are digging deep under Rosanna ... More Information

Progress on Sydney pipeline duplication

Bouygues Construction Australia and Rob Carr have launched a tunnel boring machine (TBM) on Sydney Water's Thornleigh pipeline duplication ... More Information

The latest plan to connect BART to downtown San Jose: One tunnel rather than two

When BART and Santa Clara Valley Transportation Authority first discussed plans to send trains rolling under downtown San Jose, transit officials contemplated a design with two tunnels ... More Information

Nashville Tesla tunnel: Here's when construction could start on the Music City Loop

Elon Musk's The Boring Company is currently in the design phase of constructing a tunnel connecting downtown Nashville to the Nashville ... More Information

World's longest underwater 'mega tunnel' to cost $46 billion but will halve 21-hour drive

Oddvar Kaarmo, the Rogfast project manager, cited additional motivation for the tunnel's construction: "The port at Mortavika is quite exposed and ... More Information