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The Norrbotnia/ North Bothnia Line

The Norrbotnia/ North Bothnia Line

The EUR3.84 bn (SEK40 bn) Norrbotnia/ North Bothnia line is a 270 km new coastal railway between Umea and Lulea for faster, safer and more environmentally friendly travel and transport, which ... More Information

Robbins TBM takes on Karstic Limestone below St. Louis

Robbins TBM takes on Karstic Limestone below St. Louis

In Spring 2022, a specialized Robbins 4.1 m (13.5 ft) diameter Main Beam TBM launched in St. Louis, Missouri, USA, to complete a critical infrastructure tunnel for contractor SAK Construction. The ... More Information

The UDLP on display for the North East Link Tunnels for comment ahead of major construction.

Before major construction of the North East Link Tunnels gets underway, North East Link Program (NELP) is asking the local community what they think of the look and feel of what’s planned for ... More Information

Construction begins on Fehmarnbelt Tunnel entrance

On the 5th  May works officially began on the Fehmarnbelt tunnel portal on the Danish side, where train and car traffic will in future run through the 18-km-long tunnel to Germany. A ceremony ... More Information

The Elizabeth line set to open on Tuesday 24 May 2022

The Elizabeth line in London will open on the 24th  May 2022, with full services across the entire route introduced by May 2023.  The new railway being delivered by Crossrail Ltd will run ... More Information

Statens Vegvesen will prioritize 20 Norwegian road projects, worth EUR15bn.

On the 10/05/2022 and for the first time, the Norwegian Public Roads Administration has made a list of prioritized 20 road and tunnel projects for the next 6 years at an estimated cost of ... More Information

ECRL Project in Malaysia update

ECRL Project in Malaysia update

The construction of the 665 km East Coast Rail Link (ECRL) project has recorded overall progress of 28.57 %. The percentage includes construction works in four states, namely Kelantan, Terengganu, ... More Information

Kuwait - Sea Outfall tunnel for Umm Al Hayman Wastewater Treatment Project Completed

On the 10/05/2022 the joint venture between Al Hassanain (AHC) and Joseph Gallagher Limited (JGL) completed the 1,960 m Sea Outfall tunnel with an internal diameter of 2.2m, part of the Umm Al ... More Information

BBT – Excavation has started at the H52-Hochstegen construction lot in Austria

On 04/05/2022 a ground breaking ceremony was held for Lot H52 Hochstegen in the presence of Maria Lorenzatto, godmother of the tunnel, along with the various authorities and companies involved. The ... More Information

Normet acquires Aliva Equipment assets to strengthen its sprayed concrete offering

Normet has entered into an agreement with Sika to acquire its Aliva Equipment business assets. With the acquisition, Normet supports its growth strategy by strengthening its offering in sprayed ... More Information

VTA Board Approves First Major Contract of BART Extension to Downtown San Jose/Santa Clara

Press release - At its May 5th regular board meeting, the Santa Clara Valley (VTA) Board of Directors voted unanimously to authorize the General Manager/CEO to execute the first in a series of ... More Information

The Norwegian Public Roads Administration and Bane NOR sign a cooperation agreement

The Norwegian Public Roads Administration and Bane NOR sign a cooperation agreement

Press Release - The Norwegian Public Roads Administration and Bane NOR signed a cooperation agreement on the €4.5 bn Arna-Stanghelle Joint Project After six years of planning, the mega-project ... More Information

Grand Paris Express - First breakthrough on Line 18

Grand Paris Express - First breakthrough on Line 18

On 25/04/2022 the TBM Caroline reached the future Antonypole station in the Antony municipality for Line 18, of the Grand Paris Express project. The TBM - launched in December 2021 from the Marechal ... More Information

TBM Underway again! Dame Whina Cooper sets off on second tunnel dig

TBM Underway again! Dame Whina Cooper sets off on second tunnel dig

On 26/04/2022 the Dame Whina Cooper TBM - 130 m-long, 7.15 m-diameter and 910 t-weight – has been declared ready to bore and has been launched from 110 m within a mined tunnel at City Rail ... More Information

TERRATEC EPBM completes Bangkok Rama III Cable Tunnel Project

TERRATEC EPBM completes Bangkok Rama III Cable Tunnel Project

TERRATEC is proud to announce the completion of the Rama III Tunnel Project in Bangkok, Thailand. The tunnel was completed using a TERRATEC 4.27m diameter TBM EPB.  It successfully holed ... More Information

Tunlift, the perfect solution for tunnel maintenance

Tunlift, the perfect solution for tunnel maintenance

Tunlift is a variable geometry lifting platform that has been specially developed by professionals in the sector. The "tunnel inspection" platform is based on a patented principle that allows ... More Information

Turin/Lyon - 10.5 km of the Base Tunnel completed

On the 28/04/2022 at Saint-Martin-la-Porte, in Val Maurienne, France excavation of the first 10.5 km of the Turin-Lyon base tunnel has now been completed:- click here for a video. At around 11:00 ... More Information

Second TBM starts her journey on the West Gate Tunnel

TBM Vida - 15.6m in diameter, 90m long and weighing 4000 t - is now on her way digging the 2.8km inbound tunnel for the West Gate Tunnel Project. Vida’s journey will take 12 months, with the ... More Information

Cross River Rail - Northern Tunnel Portal construction update

The TBMs - used for excavating the Cross River Rail’s tunnel in Brisbane - have now been taken away from site, allowing the gantry crane to be removed as well: click here for the video. ... More Information

Public comment period open on Massey Tunnel replacement

The early engagement phase of the environmental assessment process is underway for the proposed toll-free eight-lane tunnel to replace the aging George Massey Tunnel.   The proposed ... More Information

Equipment arrives for Broadway subway project

The first shipment of parts for the TBM that will dig the Broadway subway project tunnels has arrived in British Columbia.   The TBM components left Germany on 25/02/2022 and sailed ... More Information

Lower Thames Crossing invites shortlisted bidders to participate in dialogue

Press release - National Highways has (Tuesday 26 April 2022) invited shortlisted bidders to participate in dialogue for the £2.3 billion contract to build the tunnel and approach roads for ... More Information

Tunnelling Continues for the Clearwater Project

Tunnelling Continues for the Clearwater Project

A TBM named Rachel continues to build a 5.49 m (18-foot) internal diameter tunnel for the Joint Water Pollution Control Plant (JWPCP) in Carson towards Royal Palms Beach in San ... More Information

Bramble, the first mini HS2 TBM

The site at Wormwood Scrubs is where HS2 will relocate the Stamford Brook Sewer and some utility services currently running under Old Oak Common Lane. This needs to be done in order to construct the ... More Information

Grand Paris Express - Final Breakthrough for TBM Armelle

Grand Paris Express - Final Breakthrough for TBM Armelle

TBM Armelle has reached its final destination at the Hugo manufact at Ville du Blanc-Mesnil on Line 16 for Grand Paris Express. The machine, launched from the Braque shaft in Aulnay-Sous-Bois, ... More Information

Final project for the Fontanabuona tunnel in Liguria, Italy

On 19/04/2022 the final design of the Val Fontanabuona Tunnel prepared by Autostrade per l'Italia was presented: a 230 million Euro project for a new junction on the A12 motorway and a 5.6 km long ... More Information

Construction of Prague’s metro Line D ready to start

Construction of Prague’s metro Line D ready to start

At the beginning of March 2022, the Czecha Ministry of Transport rejected the appeal of opponents to the construction of Metro line D in Prague. They also confirmed that the Prague Public Transit ... More Information

Epiroc wins large order including battery machines and automation solutions for new mine in Canada

Epiroc wins large order including battery machines and automation solutions for new mine in Canada

Epiroc, a leading productivity and sustainability partner for the mining and infrastructure industries, has won a large order for equipment, including battery-electric machines and automation ... More Information

Gennaretti centrifugal systems will be at GIC – Italian Concrete Days!

Gennaretti centrifugal systems will be at GIC – Italian Concrete Days!

Press release - From April 28th to 30th  GIC, the exhibition for technologies, plants and equipment related to concrete, will be held in the Piacenza Expo Centre in Italy. ... More Information

Tunnelling starts on the Eglinton Crosstown West Extension

Tunnelling starts on the Eglinton Crosstown West Extension

On the 11/04/2022 Metrolinx marked a major milestone as tunnelling began on the Eglinton Crosstown West Extension, the 9.2-km extension of the Eglinton Crosstown LRT from Mount Dennis Station to ... More Information

Grand Paris Express - last TBM on Line 16

Press release - On 30/03/2022 at the construction site near Noisy-Champs station the name of the last TBM for Line 16 was unveiled.  In keeping with tradition, the tunnel boring machine was ... More Information

Rail Baltica Procurement Webinar 2022

On 13/04/2022 at 12:00-15:00 (CEST)/ 13:00-16:00 (EEST) the Rail Baltica Procurement Webinar 2022 will take place. Click here to watch the event live and here for the program. During the event ... More Information

Minneapolis Central City Tunnel: Project overview

The City of Minneapolis Public Works Department is constructing a new storm tunnel parallel to an existing tunnel located under Washington Ave. S. between Nicollet Mall and Chicago Ave, enlarging a ... More Information

BBT - Breakthrough under Isarco river

BBT - Breakthrough under Isarco river

On 07/04/2022 about a month after the start of the excavation work, the last main tunnel below the Eisack riverbed for the future railway Brenner Base Tunnel has broken through.   A total ... More Information

Tunnelling contract EOI for Suburban Rail Loop in Melbourne

Tunnelling contract EOI for Suburban Rail Loop in Melbourne

Expressions of Interest have opened for the longest tunnelling package in Victoria’s history - delivering around 16 kms of twin tunnels between Cheltenham and Glen Waverley for the Suburban ... More Information

Final connection tunnel complete as TBM Annie breaks through

Press release - A tunnel boring machine creating the final major connection tunnel into the super sewer has completed its 4.5km journey between Greenwich and Bermondsey. TBM Annie, named after ... More Information

Tunnelling News

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

ECRL Breakthrough: Genting Tunnel Becomes SEA's Longest Rail Tunnel

Genting Tunnel's construction used both Tunnel Boring Machines (TBM) and traditional drill-and-blast methods. The TBMs, built in China and ... More Information

Sydney tunnel factory creates 700 manufacturing jobs

The factory will support two of the largest tunnel boring machines (TBMs) in the Southern Hemisphere, set to arrive later this year. Once ... More Information

2.7 km Breakthrough Achieved in Bullet Train Tunnel

The tunnel also features a 7-kilometre undersea stretch beneath Thane Creek, a first of its kind in India. To ... More Information

Australian-first Sydney tunnel fabrication facility opens

The tunnel boring machines are expected to arrive in Sydney later this year, before being assembled deep underground below Birchgrove. They will ... More Information

ECRL Breakthrough: Genting Tunnel Becomes SEA's Longest Rail Tunnel

Genting Tunnel's construction used both Tunnel Boring Machines (TBM) and traditional drill-and-blast methods. The TBMs, built in China and ... More Information

4000-tonne machines dig arterial route under Melbourne's west

The West Gate Tunnel Project is in full swing beneath Melbourne's inner west, with tunnel boring machines (TBMs) Bella and Vida at the helm... More Information

Gotthard drilling machine gets no further - now it has to be blown up

Forced break in the Gotthard road tunnel: After 190 meters, the drilling machine working on the second tube has come to an end for the time being... More Information

Construction begins on 6 Cross Island Line Phase 2 stations

Tunnel Boring Machine measuring 12.8m in diameter. The machine will “bore through the ground only once for the construction of the tunnel which ... More Information

Tunnel boring machine returns after installing $22 million outfall

A 19.5 tonne tunnel-boring machine docked at Onehunga Wharf on Friday afternoon after successfully tunnelling the $22m Clarks Beach Outfall over ... More Information

Scarborough Subway Extension tunnelling progresses following maintenance stop

The remaining portion of the tunnel will be delivered by Scarborough Transit Connect, the development partner for the project's stations, rail and ... More Information

World's Deepest Underwater Tunnel to Have Cars Drive 16 Miles Under the Sea

Norway is building what is to become the longest and deepest road tunnel under the sea. The Rogfast project, measuring 26.7 kilometers (about 16.5 ... More Information

Tunnelling underway for National Grid’s 3.4km power tunnel in Snowdonia

The tunnel boring machine (TBM) Buddug has commenced excavation of National Grid’s 3.4km power tunnel in Wales’ Eryri National Park, otherwise known as Snowdonia. The tunnel is part of ... More Information

CPK signs contract for construction of HSR tunnel in Łódź

The contract for the construction of a 4.6 km long, 14-metre wide High-Speed Rail (HSR) tunnel will be carried out by construction company PORR. The project is valued at approximately PLN ... More Information

Underneath the busy Baltimore streets, the Howard Street Tunnel gets its makeover

A squad of construction workers descend daily under the streets of Baltimore. They labour deep down, in the semi-secret and highly restricted ... More Information

London Power Tunnels Milestone

We're thrilled to announce that our second 2.5km high-voltage circuit between Hurst and Crayford is now live. This £1 billion project is rewiring London, strengthening energy supply, and ... More Information

U.S. Tunneling Professionals Convene in Dallas at RETC 2025

The event drew approximately 1,400 people. Another highlight of the conference was the presentation of the now annual Underground Construction ... More Information

Construction of NY and NJ GatewayTunnel hits halfway mark

People are looking down at the ground from the Highline on Manhattan's West Side. Some parts of the new train tunnel structure ... More Information

Silicon Valley BART extension seeks new tunneling contractor

Silicon Valley BART extension seeks new tunneling contractor for construction. Maguire told reporters during a briefing Monday morning. He noted that VTA is trying to fill a $1.2 billion ... More Information

Tunneling In The Digital Age: Rethinking Subsurface Infrastructure

But successful construction is just the start of the journey. Underground infrastructure is a long-term investment—just look at the London Underground ... More Information

Sydney Moves Forward with Final Tunnelling for Harbour Project

Sydney prepares for the arrival of the largest TBMs in the Southern Hemisphere as the Western Harbour Tunnel project enters its final tunnelling ... More Information

Metrolinx seeks help to name 2 of its massive Ontario Line tunnel digging machines

Metrolinx is now accepting names for two of its giant tunnel boring machines (TBMs), which will be used for twin 16-metre-deep and six-kilometre-long ... More Information

Deutsche Bahn awards contract for Munich S-Bahn project

The contract involves structural works for the expansion, including the construction of tunnels and an underground station. The Tunnel Ostbahnhof JV, ... More Information

Excavation completed on Italian side of Brenner Base Tunnel

The tunnel boring machine (TBM) named “Flavia” successfully bored through the Alps beneath the Mules 2–3 section, reaching the Austrian border. More Information

Giant tunnel borer set for Shantou Bay project

A giant tunnel boring machine has been installed for tunnelling under Shantou Bay in Shantou, South China's Guangdong province. [Photo provided to ... More Information

€0.4bn road and tunnel project in Georgia

Work is proceeding on the Kvesheti-Kobi road and tunnel scheme in Georgia. The scheme is part of a larger project, being carried out with Chinese ... More Information

Lahore to transform with Rs49 billion tunnel boring project

Pakistan, April 27 -- The federal government has approved Lahore's Rs49 billion Tunnel Boring Project, marking a major development for the city... More Information

Construction at Cleveland Hopkins International Airport

The 2,100-foot-long tunnel connects the terminal to parking facilities and the tramway leading to the RTA public rail line. During the project, two of ... More Information

AFFHOLDER AND J.F. SHEA TEAM UP ON $700 MILLION CONTRACT

The tunneling subsidiary, Affholder LLC, will lead a joint venture with J.F. Shea Construction, Inc., to build the I-35 Capital Express Central ... More Information

Factory Testing Complete on DC Water's first tunnel boring machine for the Potomac River

Mary passed all the necessary requirements and is one of two TBM's on the project. The tunnel is part of DC Water's Clean Rivers Project, to ... More Information

Work on Chennai Metro tunnel racing to a finish

The machine Flamingo, which started boring in 2023 for the tunnel linking Light House with Thirumayilai, is expected to reach the other end in ... More Information

CPK awards contract to build high-speed rail tunnel in Lodz, Poland

The tunnel, to be constructed using a tunnel boring machine (TBM), will have a ... More Information

Inside HS2: Meet London's miners working on the Northolt tunnels

We are on a tunnel boring machine (TBM) inside High Speed Two's huge Northolt tunnels. These tunnel boring machines are part of a tunnelling ... More Information

Ontario Begins Construction Of Last Tunnel Segment Of The Eglinton Crosstown West Extension

The remaining eastern portion of tunnel construction (500-meter twin tunnels) will use the sequential excavation method, with daily progress of ... More Information

Norway is building the world's longest and deepest subsea road beneath its fjords

We have subsea road tunnels which have that construction. And the new tunnel between Germany and Denmark, there they are laying down cases and put ... More Information

CERN releases report on the feasibility of a possible Future Circular Collider

The estimated cost of construction of the FCC electron–positron stage, including the tunnel and all the infrastructure, is 15 billion Swiss francs... More Information

TBM break through on Auckland's £915M wastewater megaproject completes 16.2km tunnel

Auckland's major wastewater infrastructure project, the Central Interceptor, has reached a significant milestone with the final breakthrough of ... More Information