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ITA Tunnelling Awards 6th edition - List of finalists

ITA Tunnelling Awards 6th edition - List of finalists

Online Conference and Ceremony - The international competition launched in 2015 by International Tunnelling and Underground Association (ITA) returns in 2020 for a promising 6th edition. For 5 ... More Information

Tunnel cross passages near completion

Tunnel cross passages near completion

Work is nearing completion on the cross passages which connect the new metro railway tunnels between Chatswood and Sydenham. Cross passages are an important safety feature of the Sydney ... More Information

TBMs arrive to dig Cross River Rail tunnels

At the beginning of August two TBMs (weight 1350 t and 165 m length)  arrived in Queensland, ready to be fitted out before being deployed to dig the Cross River Rail twin tunnels in early 2021. ... More Information

The Sydney Metro West planning process

The environmental assessment process for Sydney Metro West is being done in stages in recognition of the size of the project. Stage 1 seeks approval for station excavation and tunnelling between ... More Information

Feedback for Sydney Metro West EIS

The Sydney Metro West EIS (Environmental Impact Statement) went on exhibition 30th  April and the community has until 26/06/2020 to provide feedback. This is one of three EISs for the project ... More Information

Sydney Metro tunnelling to create thousands of jobs

On the 07/04/2020 Minister for Transport Andrew Constance announced the start of the tender process to build almost 50km of new metro railway tunnels between Greater Parramatta and the Sydney CBD on ... More Information

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

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

Press release - Sydney Metro tunnelling finishes in city's north

Press release - Sydney Metro tunnelling finishes in city's north

A mega boring machine smashing through a wall of sandstone on the edge of Sydney Harbour has marked the end of tunnelling in the city’s north. Tunnel boring machine (TBM) Mabel has reached ... More Information

Press release - History made under Sydney Harbour

Press release - History made under Sydney Harbour

The first of two metro railway tunnels deep under Sydney Harbour has been completed in an historic milestone for public transport in Sydney. At their deepest point, the tunnels are 40 metres ... More Information

Second mega borer breaks through for Sydney Metro at Martin Place

Tunnel boring machine (TBM) Mum Shirl has broken through a wall of rock into the new Martin Place Station in the heart of Sydney. Mum Shirl has excavated about 650,000 tonnes of rock – enough ... More Information

Construction of Sydney's Metro West to start next year

Construction of Sydney's Metro West to start next year

Construction will soon begin in Sydney on Metro West, with 7 station locations confirmed  at Westmead, Parramatta, Sydney Olympic Park, North Strathfield, Burwood North, Five Dock and the Bays ... More Information

Sydney Metro tunnels reach Martin Place

Sydney Metro tunnels reach Martin Place

Sydney’s new twin metro railway tunnels are now 70% complete as tunnelling reaches the heart of the city deep under Martin Place. TBM Nancy has arrived at the new Martin Place Station, 28 m ... More Information

Another breakthrough for Sydney Metro’s mega borers

Another breakthrough for Sydney Metro’s mega borers

A second mega boring machine has arrived deep under the Sydney central business district at the new Pitt Street metro railway station. Tunnel Boring Machine (TBM) Mum Shirl started digging from ... More Information

Sydney Metro update

Sydney Metro update

On August the 16th TBM Nancy broke through a wall of rock at the site of the future Pitt Street Station, about 20m below the heart of Sydney’s CBD. Nancy had clocked up 6km of tunnelling ... More Information

Sydney Metro Project: tunnelling edges closer to the Harbour

Sydney Metro’s third mega TBM has broken through a wall of rock at the new Crows Nest Station, marking a major milestone in the project which will link the North West Metro to the CBD and ... More Information

Tunnelling milestone at Sydney Metro

Tunnelling milestone at Sydney Metro

Sydney Metro’s second mega boring machine has made history, breaking through a wall of rock at the new Waterloo Station. TBM Mum Shirl started digging from Marrickville on 5 November 2018 and ... More Information

Sydney Metro celebrates its first tunnelling breakthrough

Work on the Sydney Metro City and Southwest project in Australia has reached a key milestone with its first tunnel boring machine (TBM) breakthrough. A TBM named Nancy – one of five working on ... More Information

Press release - Fourth mega borer starts work on metro tunnels

The fourth of five mega tunnel boring machines (TBMs) has started tunnelling under Sydney. TBM Mabel has been launched at Chatswood to help deliver 31km of tunnels between Marrickville and ... More Information

Sydney Metro tunnel

Sydney Metro tunnel

On the 16.01.2019 Sydney Metro’s third mega TBM started digging the 6.2 km of tunnel from Chatswood to the edge of Sydney Harbour at Blues Point. This marks the next stage in delivering the ... More Information

Second mega TBM starts work on Sydney Metro's City Tunnels

Second mega TBM starts work on Sydney Metro's City Tunnels

On the 12.11.2018 the second of five mega TBMs started tunnelling underneath Sydney. The TBM, named ‘Mum Shirl’, has been launched at the Marrickville site to help bore 31km of tunnels ... More Information

First TBM on its way for Sydney Metro

First TBM on its way for Sydney Metro

The first of five double-shield TBMs which will deliver the next stage of the Metro is on its way to start digging deep under Sydney on Australia’s biggest public transport project. The TBM ... More Information

Two new Australian contracts for CBE Group

Two new Australian contracts for CBE Group

CBE Group has recently won two sizable contracts in Australia. The French midcap company will take part in two substantial projects: the Melbourne metro and the West Gate Tunnel,  located in ... More Information

Sydney Metro City & Southwest update

The first of five mega TBMS designed, built and to be delivered by Herrenknecht, will be in the ground before the end of this year to drive the twin 15.5km metro rail tunnels between Chatswood and ... More Information

Final sprint: Only 5 month to go to STUVA Expo 2017 - Register now!

Reserve your trade fair stand for STUVA Expo 2017 now, your business platform for the tunneling industry. Take advantage of this opportunity to make new contacts, strengthen business relationships ... More Information

Sydney Metro update

Sydney Metro update

The Sydney Metro project is a 66km long standalone fully automated railway system with 31 metro stations between Rouse Hill and Bankstow which has been split into two stages.  Stage 1 – ... More Information

VMT – North West Sydney Metro

 VMT  – North West Sydney Metro

With an ever-increasing population the northwest district of Sydney is currently believed to be the region with the highest car ownership density per household in Australia. It is expected that over ... More Information

Florence breaks through at Castle Hill

Florence breaks through at Castle Hill

On 02.10.2015 Sydney metros North West TBM number 2 Florence broke through into the site of the future Castle Hill station after a 6.5 km dig. Work began at Bella Vista in late October last year. ... More Information

Sydney Metro Northwest tunnelling breakthroughs for TBM1, TBM3 and TBM4

Sydney Metro Northwest tunnelling breakthroughs for TBM1, TBM3 and TBM4

On 18.09.2015 TBM3 Isabelle, one of four machines excavating the 15km twin tube tunnels from Bella Vista to Epping, broke through. It’s the first Sydney Metro Northwest TBM to reach the end of ... More Information

Australian Tunnelling Conference update

The latest project updates to be discussed at the Australian Tunnelling Conference in Sydney next month “We have a fantastic program featuring a number of project updates from all over ... More Information

Sydney metro plans stalled

Sydney metro plans stalledOn 21.02.2010 the Premier of New South Wales, Australia introduced the Metropolitan Transport Plan: Connecting the City of Cities. It includes a 25-year strategy for land ... More Information

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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