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The feasibility study for the Cluj-Napoca metro has been approved

The Cluj-Napoca City Council have approved the feasibility study (technical documentation and technical-economic indicators), drafted by the Joint Venture SYSTRA, SWS Engineering and Metrans ... More Information

7th Edition of the ITA Tunnelling awards – The winners 2021

Since 2015, the international competition "the ITA Tunnelling and Underground Space Awards" seeks and rewards the most ground-breaking innovation and outstanding projects in tunnelling and ... More Information

Super sewer tunnel connects at Blackfriars site

The breaking out of the concrete plugs either side of the shaft at Blackfriars Bridge Foreshore signals the next step in secondary lining the main ‘super sewer’ tunnel. All sections of ... More Information

HS2 Launches First Midlands Giant Tunnelling Machine

Press release - Yesterday [2 December] HS2 CEO Mark Thurston pushed the button to start HS2’s tunnel boring machine on its one-mile journey under Long Itchington Wood in Warwickshire, marking ... More Information

Work begins on the German side of the Fehmarnbelt Tunnel Project

On the 29/11/2021 at 11h00a at the Fehmarnbelt tunnel construction site in Puttgarden, Danish Transport minister Benny Engelbrecht, together with Enak Ferlemann from the German Federal Government, ... More Information

Terzo Valico dei Giovi-Nodo di Genova project

The Terzo Valico dei Giovi-Nodo di Genova project has reached another milestone only 6 months after a breakthrough along the planned Valico Tunnel, which will become the longest railway tunnel in ... More Information

Hudson Tunnel Project - Update

Army Corps of Engineers Permit – The Gateway Development Commission has announced that the last major step in the federal regulatory process for the Hudson Tunnel Project has been completed ... More Information

TERRATEC delivers two TBMs for Kanpur Metro’s 1st Underground Section in India

Gulermak/Sam India JV gets ready to commence tunnelling on the Corridor-1 of Kanpur MRTS Project in India. Two 6.52m diameter TERRATEC Earth Pressure Balance (EPB) Tunnel Boring Machines have been ... More Information

Tideway - TBM Selina reaches halfway point in east London

Selina, the giant TBM creating the final, easternmost section of London’s new super sewer has passed the halfway mark on her underground journey towards Abbey Mills Pumping Station in ... More Information

PRESS RELEASE - First of Cross River Rail’s twin tunnels complete

The first of Cross River Rail’s Tunnel Boring Machines has seen the daylight, for the first time in ten months. The mega project is one of many being delivered by the Palaszczuk ... More Information

Breakthrough for TBM Armelle on Line 16

On 24/11/2021 Eiffage Genie Civil celebrated the breakthrough of TBM Armelle in Le Blanc-Mesnile station, Line 16, Grand Paris Express. Click here for the video, here and fr/127 for tunnel ... More Information

BBT - Exploratory tunnel excavation completed

On the 24/11/2021 TBM Serena with a diameter of 6.85m, a length of approximately 300m and weight 1,500 t has reached the Brenner Pass. The TBM has excavated over 14 km of tunnel in 3.5 years. The ... More Information

Progress at HS2 Superhub station Old Oak Common as construction of main station box begins

Press release - Work to construct the 850m-long station box at HS2’s Old Oak Common station began last month as concrete frame and substructure specialist, Expanded, started on site. Expanded ... More Information

Strata Worldwide Announces Nerospec SK Partnership

Strata Worldwide is excited to announce a new strategic partnership with technology expert Nerospec SK. Nerospec SK is a developer of cutting-edge machine digitalization systems. Together the ... More Information

Santa Lucia tunnel update

Work is ongoing towards the completion and opening on the 4 December ( Santa Barbara's day) for new Santa Lucia tunnel in the A1 motorway, Barberino - Calenzano section. The ... More Information

Swinoujscie tunnel - Propaedeutic works underway

Preparatory works for the construction of emergency exits of the Swinoujscie tunnel, driven under the Swina river, are underway. The 1,483.8 m single tube tunnel will have a 3.5 m wide lane ... More Information

Tube-2 of the Nilgrar Tunnel-1 completed

On 22/11/2021 Megha Engineering & Infrastructures Limited (MEIL) achieved a breakthrough on the Zojila tunnel construction project in the Jammu Kashmir-Ladakh region. The project was awarded to ... More Information

Not long to go for the STUVA Expo and Conference 2021!

Its less than a week to go until the STUVA Expo and Conference 2021. The conference will be held from the 24 to 26 November in Karlsruhe. To find out all about the conference please click here for ... More Information

TBM cutterheads arrive at the HS2 West Ruislip portal

In West Ruislip, HS2 is preparing the way for the TBMs that will dig the high speed rail tunnels under West London. The giant cutterheads - part of the first pair of TBMs that will dig ... More Information

Robbins Crossover XRE is World’s Fastest TBM over 13 Meters in Diameter

In October 2021, the breakthrough of a Robbins Crossover XRE TBM was the cause of much celebration. A team of personnel from Kolin Construction, Turkish State Railways (TCDD), and Robbins field ... More Information

Nepal - The Posta Bahadur Bogati (Bhimphedi-Kulekhani) Tunnel update

Bagmati Province government have decided to stop work on the Posta Bahadur Bogati (Bhimphedi-Kulekhani) tunnel construction as it was unable to build the tunnel itself and the federal government had ... More Information

Llogara tunnel – construction begins

On the 14/11/2021 the construction of the 5.9km Llogara tunnel officially started. The tunnel, on the road between Vlora and Saranda along the southern part of the Albanian Rivera, is planned ... More Information

Tideway - TBM Annie arrives at Earl Pumping Station

TBM Annie has reached the Earl Pumping Station site in Deptford. This marks the 2.2km point of an overall 4.5km journey from Greenwich Pumping Station to Chambers Wharf in Bermondsey. The TBM will ... More Information

Line 15 South -TBM Laurence reaches the Fort d'Ussy - Vanves - Clamart station

There's a new arrival on Line 15 South of the Grand Paris Express, after Camille in July and Aby last month, TBM Laurence has now completed its drive! On 11/09/2021 TBM Laurence – ... More Information

M4-M5 Link Tunnels: The Final Breakthrough

On the 5th of November 2021 the team excavating the M4-M5 Link Tunnels, completed their 13th and final breakthrough on the mainline tunnels. Road headers 43 meters below ground were used to ... More Information

Moscow – development of transport infrastructure update

By the end of 2021, 17.5 km of metro lines and nine stations in Moscow will have completed their construction. In this time frame the reconstruction of the Kakhovskaya station will also be ... More Information

B 23 Garmisch-Partenkirchen bypass - Breakthrough in the Kramer tunnel

On the 27.10.2021 the Joint Venture Kramertunnel, BeMo tunneling and Subterra, completed the excavation of the 3.5km Kramer tunnel on the B23, after 20 months of construction. The ... More Information

2021 ITA Awards: Registration is now open!

The ITA Awards 2021 - after the success of the 6 first editions of the ITA Tunnelling and Underground Space Awards, in Switzerland, Singapore, France, China, USA and last year as a digital event - ... More Information

Suburban Rail Loop East Inquiry and Advisory Committee

The Inquiry and Advisory Committee (IAC) invite submissions on the EES and draft Planning Scheme Amendment for the Suburban Rail Loop (SRL) East Project. The Suburban Rail Loop ... More Information

Sydney Metro West project - Make a submission for second EIS

The community can again have its say on the Sydney Metro West railway project, with the second Environmental Impact Statement for the mega project now on public exhibition. The latest ... More Information

Second Main Line, Munich - Planning documents for the eastern section are now available

The planning approval documents for the construction of the eastern section (PFA 3 East) between western bank of the Isar and Leuchtenbergring station, from km 107,853 to km 110.711, of the ... More Information

TRAYLOR BROS. AND STRATA WORLDWIDE BRING THE BORAID LINE TO TUNNELLERS

Traylor Bros. have selected Strata Worldwide as their exclusive distribution partner in bringing their Boraid® line of TBM products to the greater tunneling marketplace. Previously not ... More Information

FTA Releases Formal Intention to Expedite Funding for BART Phase II Project

VTA’s BART Silicon Valley Phase II Project achieved another major milestone to help advance the biggest infrastructure project in Santa Clara County history. VTA received a Letter of Intent ... More Information

TERRATEC delivers large Raise Borer to India

Recently, TERRATEC successfully completed the Factory Acceptance Testing of a custom TR3000C Raise Boring Machine (RBM). The event was held in the Company’s workshop in Tasmania, ... More Information

Press release - Longer tunnel for North East Link

Designs for the North East Link have been released with a longer tunnel to Watsonia, simpler underground interchanges, a new tree-lined boulevard for Greensborough Road, new green bridges and new ... More Information

Namma Metro – latest updates

M/s Larson & Toubro Ltd is working on the 2.884 Kms between Shivajinagar to Shadhi Mahal shaft section (RT-03 Package) with the two TBMs Urja and Vindhya. On the 13/10/2021 three weeks after ... More Information

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Tunnelling News

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

China's first vertical large model for tunnel, underground space sector released

The project which is in the Guangdong-Hong Kong-Macao Greater Bay Area. The model helps make tunnel construction safer, higher-quality, more efficient and ... More Information

BMC Begins Major Water Supply Upgrade Mumbai

The project commenced in 2023 and has adopted tunnel boring machine (TBM) technology to minimise surface disruptions in crowded neighbourhoods. Of ... More Information

Slurry tunnel boring machines to be deployed for Bengaluru Twin Tunnel Road Project

B-SMILE opts for slurry TBMs over hard rock TBMs for Twin Tunnel Road project in Bengaluru due to mixed terrain... More Information

Tunnel along railway linking Shenzhen and Shanwei special cooperation zone under construction

Technicians check a tunnel boring machine (TBM) at the construction site of a tunnel in Pingshan, Shenzhen City, south China's Guangdong Province, Aug ... More Information

Construction staging area approved for Nashville's airport tunnel project

The Music City Loop will be a 10 mile tunnel connecting downtown Nashville to the Nashville International Airport (BNA)... More Information

Zojila tunnel deadline pushed to 2028: Here's why Asia's longest tunnel project is delayed

Zojila Tunnel Latest Update: On completion, the project will not only play an important role in the country's infrastructure development but also ... More Information

W.A. Rasic Construction Awarded Major Subcontract on Dragados' $630M Effluent Outfall

The tunnel project is a critical component of Southern California's long-term infrastructure resilience strategy. The project directly supports the ... More Information

VDOT gives HRBT expansion update

Construction on the Hampton Roads Bridge-Tunnel Expansion Project hit key milestones as tunneling progresses and traffic shifts to new lanes. More Information

HS2 lifts third TBM following 3.4-mile journey

HS2 Ltd has lifted Tunnel Boring Machine Emily's 9.11-metre diameter cutterhead, front and middle shield, weighing 880 tonnes, from below the ... More Information

Musk's Boring Company unveils Music City Loop tunnel project for Nashville

The big picture: The project has an ambitious timeline of completing the 10-mile route in less than two years. The tunnel would move vehicles at warp ... More Information

Progress Update on East Dallas Tunnel Project to Address Flooding Problems

With so much rainfall throughout the metroplex, NBC 5 wanted an update on a project expected to mitigate flooding in East Dallas... More Information

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