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Brenner Base Tunnel - Update of Total Project Costs

On the 07/09/2021, after the approval of the updated construction programme, approval was also obtained for the total costs of the BBT project, which had been updated to take the following issues ... 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

Ground freezing begins for the first main tunnel for the BBT Isarco River Underpass

In the town of Fortezza works on the Isarco River Underpass construction site, which is the southernmost construction lot of the Brenner Base Tunnel, are proceeding at full speed. Two 25 m deep ... More Information

BBT - First breakthrough under the Isarco river

 BBT - First breakthrough under the Isarco river

On  the 6th of November 2020 an excavator with hydraulic hammer  broke through  the first 59 m tunnel under the Isarco river. The ground in the most southern construction lot of the ... More Information

BBT - Isarco river underpass tunnelling begins

BBT - Isarco river underpass tunnelling begins

After months of preparation on the Isarco River Underpass construction site, the excavation of the first few metres of the tunnel has begun.   The excavation works in this southernmost ... More Information

Verona-Fortezza access line part of the BBT

The new Brenner Base Tunnel, which is the responsibility of BBT, is being built to boost the capacity of the Verona-Fortezza access line from the south, which is being built by RFI. The line is ... More Information

Brenner Base Tunnel project - Breakthrough

Brenner Base Tunnel project - Breakthrough

On 06/07/20 the TBM Gunther, tunnelling from Ahrental (Innsbruck) in the north completed its 16.7 km long exploratory tunnel. The TBM averaged 11 m of tunnelling per day. The breakthrough, ... More Information

Brenner Base Tunnel 50% complete

Brenner Base Tunnel 50% complete

On the 29th of November 2019 the Brenner Base tunnel reached a milestone and is now 50 % complete. So far they have tunnelled 150km of the 230km needed to finish the project. The Brenner Base Tunnel ... More Information

The Brenner Base Tunnel company has new leadership

The Brenner Base Tunnel company has new leadership

Starting on September 18th, 2019 Martin Gradnitzer and Gilberto Cardola will take the helm of the Brenner Base Tunnel cross-border project company  in Austria and Italy, replacing  the ... More Information

Press release for BBT

Press release for BBT

Breakthrough in the Tulfes–Pfons section - On February 12th, 2019, the last breakthrough by blasting took place in the Tulfes-Pfons section. On that occasion, a small ceremony was held for ... More Information

Brenner Base Tunnel - European support for the project

Brenner Base Tunnel - European support for the project

Following the recent breakthrough of the southern portal of the Brenner Base Tunnel, European Commissioner for Transport, Violeta Bulc, visited the BBT construction sites near Fortezza. The ... More Information

Brenner Base Tunnel Breakthrough

Brenner Base Tunnel Breakthrough

On St Barbaras day the 4th of December 2018 the southern portal of the Brenner Base tunnel near Fortezza Station broke through. 93 km of the total 230 km that will make up the Brenner Base tunnel ... More Information

Open Tunnel Day: Ahrental - Aldrans - Ampass, September 16th, 2018

This year, you have the unique chance to visit the entire underground area between the Ahrental access tunnel, Aldrans and Ampass and to see the different steps required to build a tunnel lining ... More Information

Thimble Shoal Tunnel

The TBM Chessie, that was custom-made by Herrenknecht for Dragados USA Inc and Schiavone Construction Co. LLC, is now ready to begin construction of the New Tunnel under the Thimble Shoal Canal in ... More Information

Brenner Base Tunnel update

FLAVIA” joins “VIRGINIA” The last large component of the TBM “Flavia” has arrived at the Mules construction site. A short video shows the long journey that began ... More Information

Brenner Base Tunnel Update

Brenner Base Tunnel  Update

The first 100 m of Exploratory tunnel had started being excavated for the Brenner base tunnel overnight the 24th  and 25th  May. The TBM Serena started at the beginning of May, has now ... More Information

Revised proposals for the construction of Parallel Thimble Shoal Tunnel submitted

Revised proposals for the construction of Parallel Thimble Shoal Tunnel submitted

On the 15.07.2016 the Chesapeake Bay Bridge and Tunnel Commission announced that the revised technical proposals were submitted from all three teams in the competitive procurement to construct a new ... More Information

Isarco River construction update

Isarco River construction update

On the 12.07.2016 the groundbreaking ceremony was held for the main works for the Isarco River Underpass construction lot. This is at the southernmost part of the Brenner Base Tunnel just before the ... More Information

Six offers for Lot Mules 2-3 of the Brenner Base Tunnel

BBT received tenders from the following 6 groups for the construction of Brenner Base Tunnel, Lot Mules 2-3: Astaldi SpA, Ghella SpA, Oberosler Cav Pietro SpA, Cogeis SpA, PAC SpA; ... More Information

Fortezza-Ponte Gardena access plans filed

RFI and Italferr have completed the final design for the Fortezza-Ponte Gardena access, which is part of the Brenner Base Tunnel project and filed it at the Ministry of Infrastructure and Transport. ... More Information

Brenner Base Tunnel - TBM begins its work

Brenner Base Tunnel - TBM begins its work

On the 26/09/2015 the ceremony was held for the launch of a TBM in at the Brenner Base Tunnel in Innsbruck, Austria. The cavern at the Ahrental end was used for assembly and launch. There were ... More Information

Brenner lot 3 approved

CIPE has approved the construction of Brenner Basis Tunnel, Lot 3 Mules-Brenner. Some EUR920 million are now available for the Brenner project to be added to EU funds. The lot involves completion of ... More Information

Parallel Thimble Shoal tunnel

The Parallel Thimble Shoal Tunnel Project in Virginia, US currently includes the following elements of design and construction: approximately 1,740 m of two-lane tunnel connecting previously ... More Information

BBT tunnels approved

On 24.03.2015 the Province of Bolzano approved the project for the construction of the main tunnels of the Brenner Basis Tunnel (Lot Mules) and confirmed the requirements for environmental ... More Information

Joint statement on cross alpine corridors

Joint statement on cross alpine corridors

On 20.03.2015, at Innsbruck, the joint statement on cross alpine corridors was signed. The Austria, Germany, France, Slovenia, Switzerland and Liechtenstein ministers of transport signed an European ... More Information

Full bore at North West Rail Link

On 14.01.2015 the fourth TBM, named Maria after 19th century Aboriginal rights advocate Maria Lock, started boring for North West Rail Link in Sydney, Australia. The 900 t TBM was delivered to the ... More Information

Isarco River Underpass

Consortium Salini Impregilo/Strabag has agreed with client BBT SE to start construction of the EUR300 million Isarco River Underpass, part of the southern lot of the Brenner Base Tunnel located in ... More Information

Brenner Base Tunnel

Brenner Base Tunnel

Excavations on the Tulfes-Pfons construction lot began on 18.09.2014 with a solemn ceremony. The BBT project along the 9,000 km north-south corridor from Helsinki to La Valletta is very important ... More Information

iBBT Project

On 12.09.2014 was held the final conference of the three-year Interreg Italy-Austria IBBT project on flooring, lining and innovative lighting for tunnels. The project, co-funded Interreg IV ... More Information

First blast in Wolf access

Excavation work by Swietelsky construction company has started on the access tunnel in Wolf, near Steinach, Austria with the first blast on December 4th, St. Barbara's Day. More Information

Viatec and Brenner Congress

Viatec, the road construction and infrastructure maintenance international show, will be held in Bolzano February 21-23, 2013. More Information

Brenner Congress 2013

The international symposium on the Brenner Base Tunnel (BBT) will take place 21-22nd February during Viatec 2013 in Bolzano. More Information

Ahrental access completed

Ahrental access completed

On 11.10.2012, excavation of the 2.4 km-long Ahrental access tunnel was completed as part of the Brenner Base Tunnel. More Information

Viatec and Brenner Congress 2012

The three-day Viatec fair takes place in Innsbruck starting 15.02.2012. More Information

Brenner Base Aica-Mules pilot bore breaks through

Brenner Base Aica-Mules pilot bore breaks throughOn 03.11.2010, a 6.3 m-diameter double shield TBM completed excavation of the 10.5 km-long exploratory tunnel between Aica and Mules as part of the ... More Information

Construction of Aica-Mules Pilot Bore Starts at Brenner Base Tunnel

Construction of Aica-Mules Pilot Bore Starts at Brenner Base TunnelThe Brenner base tunnel is a key piece on the Berlin-Munich-Verona-Bologna-Palermo high speed rail corridor, which crosses ... More Information

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Tunnelling News

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

KIB gets go-ahead for landmark Kuwait tunnel revamp project

On the key tunnel beautification project, Vice Chairman and CEO Raed Jawad Bukhamseen said: "This initiative reflects KIB's vision of supporting ... More Information

From hills to hope

As night falls over the northern highlands of Lesotho in early July, winter's chill sets in. Yet, the Polihali Transfer Tunnel construction site ... More Information

Tunnel boring machines reach Parramatta in major Metro West milestone

Tunnel boring machines have reached Parramatta, marking a major milestone in the construction of the Metro West project. More Information

Completion of hyperbaric excavated tunnel marks major milestone for Naples-Bari rail project

The construction of the Casalnuovo Tunnel, a critical and technically challenging segment of the high-speed railway line between Naples and Bari ... More Information

Multraship tugs support Antwerp Scheldt tunnel construction

Tugboats are supporting the construction of a motorway tunnel in the River Scheldt in Antwerp by towing and manoeuvring concrete structures and ... More Information

Europe's $45BN Mega Tunnels through the Alps

Discover the record-breaking network of tunnels being constructed beneath the Alps. This video explores the top 6 longest tunnels in the region, .. More Information

AFRY secures contract for Switzerland's Twann Tunnel project

Construction oversight of the Twann Tunnel in the country. The tunnel on the Lake of Bienne is intended to ease traffic congestion in Twann by ... More Information

Line 5 Tunnel Project: Public comments now open for proposal to build under Straits of Mackinac

"The purpose of the project is to facilitate the construction of a tunnel beneath Lake Michigan bottomlands to replace the Line 5 dual pipelines ... More Information