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Amsterdam-Almere metro feasibility studies

Amsterdam-Almere metro feasibility studiesThree selected consortia have completed technical and economic feasibility studies for the prposed direct metro link between Amsterdam and Almere across the ... More Information

ZED gets prestigious achievement award

ZED gets prestigious achievement awardZED Tunnel Guidance Ltd has received the Queen's Award for International Trade. The award follows the company's outstanding achievement in international trade, ... More Information

Sluiskil tunnel construction started

Sluiskil tunnel construction startedOn 05.10.2011, after a period of preparatory work, construction of the east adit of the 1,330 m-long twin tube Sluiskil tunnel under the Ghent-Terneuzen Canal in ... More Information

Breakthrough in SS77 Belfiore tunnel

Breakthrough in SS77 Belfiore tunnelOn 26.09.2011 breakthrough was achieved on the South carriageway of the 1,101 m-long Belfiore tunnel on the SS77 Val di Chienti. For more click here and it/116. ... More Information

Road tunnels manual

Road tunnels manualThe 24th World Road Congress took place in Mexico from 27.09.2011 to 30.09.2011. During the congress, the new road tunnels manual was installed online in English and French. The ... More Information

Sandvik rigs winning in Rio de Janeiro

Sandvik rigs winning in Rio de JaneiroMain contractor Odebrecht is upgrading 25 km of main highway between Barra and Santa Cruz in the southern suburbs of Rio, including construction of the 1.1 ... More Information

Robbins at AFTES International Congress in Lyon

Robbins at AFTES International Congress in LyonFind out more about high cover tunnelling at Robbins' technical session on Wednesday, 19th October at the AFTES Congress in Lyon, France. Paper title: ... More Information

VMT opens branch office in US

VMT opens branch office in USThe current dramatic growth in the US tunnelling industry has resulted in VMT opening an office in Sumner, WA to service its clients more effectively. The new facility ... More Information

Contitech commitment to sustainability

Contitech commitment to sustainabilityContitech division of Continental is a leader in rubber technical elastomer products and plastics technology. The company has introduced its sustainability ... More Information

Montcada EPB completes its task

Montcada EPB completes its taskOn 28.09.2011, 11.7 m-diameter Herrenknecht EPB Montcada reached the exit shaft after a 3,017 m drive north-south at up to 50 m depth. Its 105 m-long back-up installed ... More Information

tunnelbuilder readership hits new highs

tunnelbuilder readership hits new highsSeptember was a good month for tunnelbuilder.com, with a weekday readership high of 1,586/day and a weekend high of 983/day. Daily average was 956, which rolls ... More Information

Thames tunnels to be bored by Herrenknecht TBMs

Thames tunnels to be bored by Herrenknecht TBMsHochtief/Murphy JV will use two Herrenknecht slurry TBMs to drive the 2 x 2.6 km-long x 6 m-diameter Crossrail Thames tunnels. This brings to eight the ... More Information

Cut/cover tunnel on the SS36 at Monza in Italy

Cut/cover tunnel on the SS36 at Monza in ItalyThe link road under construction between the SS36 and the Milan motorway network crosses the municipalities of Monza and Cinisello Balsamo, through ... More Information

Austunnel Partnering Success

Austunnel Partnering SuccessAustunnel supplies professional tunnelling personnel such as supervisors, TBM fitters/mechanics, electricians, PLC electricians, boilermaker/welders and TBM pilots. ... More Information

Tunnel design and construction

Tunnel design and constructionThe latest conference in the series takes place on 16-18 November, 2011 in Amsterdam. For full details of speakers visit Tunnel Design & Construction Europe. 39/11. More Information

South Tyrol Castelbello ring road decision

South Tyrol Castelbello ring road decision The competition for the construction of the 3 km-long Castelbello and Colsano ring on the SS 38 has been decided, and funds will be allocated in 2012. The ... More Information

Fire protection and safety in tunnels

Fire protection and safety in tunnelsThird annual international conference takes place October 11-12, 2011 in Salzburg, Austria. More from www.arena-international.com/fpst2011/index.html. 38/11. More Information

Going underground at IUT

Going underground at IUTThis week sees the sixth international underground and tunnel fair IUT taking place in the Hagerbach Test Gallery (VSH) near Sargans, Switzerland from 14-15 September. The ... More Information

Normet teams up with QME

Normet teams up with QMENormet and QME, a mining equipment company based in Ireland, have signed an agreement to develop their cooperation and service activities. QME, who have a long history in ... More Information

First TBM EPB ready for delivery to Panama metro

First TBM EPB ready for delivery to Panama metroPanama City's first metro line will involve the construction of a 6.4 km-long tunnel using two Herrenknecht 9,730 mm-diameter EPBs. The machines have ... More Information

Marble Road to open in 2012

Marble Road to open in 2012The Marble Road from Aurelia to Miseglia Bassa is complete except for the truck weighing and washing facility between Miseglia and Canaglie. Lot 1 Miseglia, including the ... More Information

Florence high speed rail tunnel schedule

Florence high speed rail tunnel schedule TBM Monnalisa, 9.364 m-diameter and 200 m-long, commissioned to Seli from the JV Coopsette/consortium Ergon Engineering and Contracting for the high speed ... More Information

Brazil high speed railway studies

Brazil high speed railway studiesBrazil's first 350 km/h high speed railway will run between Campinas, Sao Paulo and Rio de Janeiro, with airport statons at Viracopos, Guarulhos and Galeao. Total ... More Information

Putzmeister sets record at Lainzer

Putzmeister sets record at LainzerThe 12.3 km-long Lainzer tunnel in Vienna will connect the western and southern railway systems and the Donauldebahn railway, increasing capacity, and forming a ... More Information

Senior mechanical engineer vacancy

Senior mechanical engineer vacancyA client of iPS, the international personnel consultant, is seeking a senior mechanical engineer for planning and operation of large-scale projects. Duties ... More Information

Grand St Bernard safety tunnel

Grand St Bernard safety tunnelOn 31.07.2011 Lovat TBM Isabelle completed 2.9 km of the 5.8 km-long emergency tube of the Grand St Bernard tunnel. Construction of the 23 drill/blast cross passages at ... More Information

Breakthrough for Bavareto tunnel on SS 77

Breakthrough for Bavareto tunnel on SS 77On 03.08.2011 breakthrough of the southbound 1,661 m-long tube of SS 77 Bavareto road tunnel was achieved in Serravalle di Chienti municipality, Val di ... More Information

First Robbins slurry TBM readied for launch

First Robbins slurry TBM readied for launchThe 2.74 km-long Zhanjiang Bay fresh water transfer tunnel will be driven by a 6.26 m-diameter slurry TBM designed by MHI-MS and manufactured by Robbins at ... More Information

Gjerstad side tipping buckets save time

Gjerstad side tipping buckets save timeNorwegian manufacturer Gjerstad Intera produces a wide selection of buckets for loaders and excavators, together with several models of quick couplers. In ... More Information

Normet expands in Scandinavia

Normet expands in ScandinaviaNormet Group is acquiring Essverk Berg AB as its base for operations in Sweden and Norway. The new company Normet Scandinavia will become the development and competence ... More Information

Herrenknecht to build world's largest TBM

Herrenknecht to build world's largest TBMA 19.25 m-diameter Mixshield to be manufactured by Herrenknecht for Russian concessionaire NCC to build the Orlovski road tunnel in central St Petersburg ... More Information

iPS takes tunnel expertise worldwide

iPS takes tunnel expertise worldwideiPS has been bolstering its international presence in the field of tunnelling by visiting current projects, tendering for new ones, and investing in its ... More Information

Frejus safety tunnel TBM away

Frejus safety tunnel TBM awayOn 04.07.2011, the 9.46 m-diameter, 170 m-long Herrenknecht TBM commenced excavation and lining of the French section of Frejus safety tunnel. The machine was assembled ... More Information

Normet Group appoints new CFO

Normet Group appoints new CFOFinnish national Riku Makinen has joined Normet Group as chief financial officer, a position he will take up on 1st October, 2011. He will be based in Switzerland and ... More Information

International section of Lyon-Turin approved

International section of Lyon-Turin approvedOn 03.08.2011 Cipe approved the preliminary design of the common French-Italian section of the Lyon-Turin railway system with construction in two ... More Information

Record 40 live bids at tunnelbuilder

Record 40 live bids at tunnelbuilder0n 11.08.2011 some 40 bids were open at tunnelbuilder Live Bids. Review at your leisure. 32/11. More Information

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Tunnelling News

Tunnel Boring Machine Emily Passes Key Factory Test for DC Water Potomac River Tunnel Project

Tunnel boring machine (TBM), Emily. This test confirms that Emily is ready to begin excavating the southern leg of the Potomac River Tunnel — a ... More Information

Sydney Metro West achieves world-first in tunnelling technology

Sydney Metro West has achieved a world-first in tunnel construction with a Lining Erector Machine (LEM) successfully being used to line the mined ... More Information

Gateway construction continues despite Trump's claim of termination

Tutor Perini, the general contractor on the Manhattan Tunnel Project, confirmed construction activity is currently continuing as planned... More Information

Tunnelling complete for Annacis water supply project

Metro Vancouver has completed the tunnelling phase of the $450 million Annacis Water Supply Tunnel, which will complete in 2028... More Information

Santa Clara VTA confirms single tunnel plan for BART extension

With VTA now owning the tunnel boring machine, the agency assumes full responsibility for its performance, agency officials said. To manage the risk, ... More Information

Chennai: Tunnel Boring Machine Vaigai achieves breakthrough at Mandaveli Metro Station

CHENNAI: The Chennai Metro Rail Limited (CMRL) on Saturday achieved a major milestone in Phase II tunnelling works, as Tunnel Boring Machine (TBM) ... More Information

Trump 'terminates' $16 billion Hudson River tunnel project linking N.J. and N.Y.C.

President Trump said funding for the $16 billion Gateway Tunnel project is "terminated" at a press conference. New Jersey officials said they will ... More Information

$676 million underwater tunnel for India

The project is expected to cost around $676 million, with a Detailed Project Report (DPR) having now been completed. India's road transport network is ... More Information

€1.4 billion Belgian tunnel project approved

The first phase of the €1.4 billion project for Belgium’s new Limburg Noord-Zuid link has been approved. Construction should commence in 2027 on the project, which will form a section of ... More Information

Tunnel boring machine S-639B achieves breakthrough under Kanpur Metro Phase I Project

The package KNPCC-06 involves design and construction of a tunnel through TBM, cut and cover tunnel, underground ramp from Kanpur Central end of ... More Information

Lawmakers propose construction of undersea tunnel to link Luzon and Visayas

Several lawmakers from the Visayas region are proposing the construction of an underground tunnel that will serve as a permanent land connection ... More Information

Oman-UAE rail project hits major milestone with start of tunnel excavation

Tunnel excavation has begun in Oman's Al Hajar Mountains, marking a major milestone for the cross-border Oman-UAE Railway... More Information

Engineering the depths: innovative tunnelling for hydropower projects

Major schemes in Austria, China, and Germany are applying advanced underground construction techniques for hydropower projects. More Information

New tunnel, new standard: Silvertown project showcases innovation in surface protection

Originally approved in 2018, construction of the tunnel began in March 2021. In September 2023, following the completion of tunnelling works, ... More Information

Metro Manila Subway Project: DOTr launches third tunnel boring machine

Dubai: The Department of Transportation (DOTr) has launched a third tunnel boring machine (TBM) for the Metro Manila Subway Project (MMSP), ... More Information

Skanska JV wraps up $450M Baltimore tunnel nearly 2 years early

A joint venture has reached substantial completion on the $450 million Howard Street Tunnel Project in Baltimore nearly two years ahead of the original completion date, according to a ... More Information

Work continues on NYC megaprojects, despite $18B federal funding pause

Contractors on two of New York City’s largest infrastructure projects will keep digging, but they might glance over their shoulders toward Washington... More Information

HS2 Chipping Warden tunnel project moves step forward

HS2 Ltd An aerial view of the HS2 tunnel construction at Chipping Warden. A road HS2 Ltd. The 1.55 mile (2.5km) Chipping Warden tunnel will be ... More Information

First of three Tunnel boring machines on way to SA as beams go up for tram overpass

The first of three tunnel boring machines that will be used to complete the northern and southern tunnels project is on its way to SA as part of a ... More Information

Chennai Metro Rail's TBMs to begin tunneling between Thiruvanmiyur and Indira Nagar

Chennai Metro Rail begins tunnelling work in challenging stretch for phase II project, facing obstacles due to hard rock... More Information

Custom lifting gantry aids TBM removal - Construction Briefing

The four TBMs excavated the 8.4 mile (14 km) Northolt Tunnel section. Two went in each way, digging a pair of tunnels from both ends towards each ... More Information

Tunnel construction begins on Barskoon — Bedel road in Issyk-Kul region

According to the project, two tunnels, 5,340 and 3,840 meters long, respectively, will be built at Sook and Ashuu-Suu passes. They will be among the ... More Information

China debuts world's mightiest centrifuge, unleashing ultra-intense gravity

China leads the way in shield tunnelling machine development · Shield machine of south line of Yellow River tunnel starts boring in Jinan · A close ... More Information

Boring Company Launches Global Operations Control Center in Bastrop, Texas

The Boring Company has officially opened its new Global Operations Control Centre in Bastrop, Texas, the tunnelling start-up announced on X... More Information

Port of Longview Lands $35.9MM Federal Loan for Rail Expansion

Active Construction on New Hudson Tunnel Project Supporting Domestic Jobs and Economic Output ... Bridges/Tunnels, Class 1, Freight, Ports, Track ... More Information

TBM Parvati Achieves Breakthrough At Kakadeo Station Of Kanpur Metro Line 2

Brief Scope: Design and Construction of TBM Tunnel, Cut and Cover Tunnel, ramp after Double Pullia, ramps in Agriculture Depot for main line and ... More Information

Howard Street tunnel reopens ahead of schedule, boosting Baltimore's freight capacity

The Howard Street Tunnel has been reopened after being out of service since February 2025.The nearly 130-year-old tunnel extends north from Camden Yards to the Mount Royal Station and is ... More Information

Progress update on the Tunnel Boring Machine for National Grid

Following its launch in May this year, Buddug, the Eryri VIP tunnel boring machine (TBM) is making good progress digging the tunnel which will ... More Information

Mumbai-Ahmedabad Bullet Train Project Clears Major Hurdle

After months of delay, the tunnel-boring machine stuck in China is being shipped to India, clearing the path for underground construction of the ... More Information

Bright lights: This Las Vegas tunnel is getting a major upgrade

Construction is underway on Desert Inn Road between Paradise Road and Joe W Brown Drive as part of a $9.2 million improvement project on Friday, ... More Information

Panama Canal Tunnel Boring Machine Crosses Under the Canal, Marking a Milestone

Panama Canal Tunnel Boring Machine Crosses Under the Canal, Marking a Milestone on Metro Line 3. Auto-dubbed. 398 views · 6 hours ago ...more ... More Information

Major breakthrough achieved in Mumbai-Ahmedabad bullet train tunnel construction

Mumbai: A breakthrough was achieved for a 4.88 km-long tunnel between Shilphata and Ghansoli for the... More Information

New Austrian tunnelling method achieves milestone breakthrough in BKC-Shillphata undersea tunnel project

In a significant milestone for the ambitious undersea tunnel project between BKC and Shillphata, g Method (NATM) has ... More Information

World's Longest Railway Connection Makes Construction Breakthrough

The Brenner Base Tunnel, built deep beneath the Alps, is set to reshape freight and passenger transport across Europe... More Information

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