Tunnelbuilder Promoting the world's tunnelling industry to a huge qualified audience

View the Spanish Tunnelbuilder website View the Italian Tunnelbuilder website

Archive - News

Featured News

Expotunnel on-line registration

The exhibiting companies and those that make up the Promotion Committee are working in the underground field in Italy and abroad with their innovative solutions. For example: Spea Ingegneria ... More Information

Sao Paulo green metro line 2 extension

Sao Paulo green metro line 2 extension

The Sao Paulo, Brazil green metro line 2 extension will be a new 14.4 km-long section between Vila Prudente and Dutra stations, including 15 shafts, turnout tracks and the following 13 stations: ... 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

Turin metro funding

On 18.09.2014 Piedmont Region and the company Infra.To signed the agreement for funding EUR35 million for the construction of the Lingotto-Bengasi section 4 of Line 1 of Turin metro. The section ... More Information

Indian tunnels progress

The Border Roads Organization (BRO) reported the construction of the 8.8 km-long Rohtang tunnel in the State of Himachal Pradesh, India is underway, with 4.4 km completed to date. Meantime, ... 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

Reno-Alps corridor news

Reno-Alps corridor news

On 18.09.2014 the 4th International Corridor Reno-Alps Conference was held in Genoa, Italy. The Swiss Confederation aims to transfer freight from road to rail through the Lotschberg (opened in ... More Information

Power on the Fehmarnbelt link

Power on the Fehmarnbelt link

The 18 km-long Fehmarnbelt tunnel with its electrified rail operation and a fully lit road tunnel requires the security of an uninterrupted power supply. It will have its own, major substation at ... More Information

Complimentary Robbins Web Seminar on Field Experience

Complimentary Robbins Web Seminar on Field Experience

The latest in the Robbins Webinar series is entitled Lessons Learned from the Field: the Greatest Challenges in TBM Tunnelling. The discussion is scheduled for one hour on Tuesday, 30th September ... More Information

Over 900 items for Caorso auction

Over 900 items for Caorso auction

Ritchie Bros next auction in Caorso, Italy is on Thursday 2nd October, 2014. Over 900 items are currently included in the inventory, and more will be added in the coming weeks. This wide variety of ... More Information

Biel bypass go-ahead

Biel bypass go-ahead

The Federal Council of Berne, capital of Switzerland, has approved construction of the western branch of Biel bypass, including the junction to the right bank of Lake Biel (port tunnel) and ... More Information

Expotunnel for Bologna

Expotunnel for Bologna

ExpoTunnel is dedicated to the world of tunnelling, drilling, mining, underground construction and research. Following a successful first show in 2013, the second edition will take place in Bologna, ... More Information

Australian conference imminent

Australian conference imminent

The 15th triennial Australian Tunnelling Conference takes place in Sydney 17-19th September, with more than 80 technical papers due for presentation. ES Rubber, the manufacturer and international ... More Information

London power tunnels update

Contractors Costain Skanska JV recently completed the 3.4 km-long stretch of tunnel under the River Thames between Wandsworth and Earls Court using TBM Evelyn. This involved the twin challenges of ... More Information

Coguaro4 underground mixer

Coguaro4 underground mixer

An underground concrete machinery open house dedicated to tunnelling machines was held in July at CIFA headquarters in Senago (MI). On the CIFA test field, which was set up for the occasion, ... More Information

Approval for wider Eppenberg

Datec has approved the FFS project for the widening to four tracks of the Olten–Aarau rail section, including the new 3 km-long Eppenberg tunnel. Work starts on the tunnel next spring. Value ... More Information

Opportunities at Qatar Rail

Middle East Rail convention takes place in Dubai 17-18 March, 2015. The CEO of Qatar Rail has given an overview of the 14-year plan for the construction of Qatar Metro’s complex tunnel design ... More Information

Terratec TBM ready for Istanbul

Terratec TBM ready for Istanbul

Terratec has handed over a factory tested, customized 6.56 m-diameter EPB with versatile electric drive cutterhead designed to excavate the mixed geology along the alignment of Istanbul metro in ... More Information

Huge CBE moulds for Wuhan

Huge CBE moulds for Wuhan

French supplier CBE Group will provide 30 segment moulds for a 15.2 m external diameter combined road-subway tunnel in Wuhan, China. Read the press release and visit www.cbe-tunnels.com. CBE ... More Information

Turkey motorway financing

The EUR457 million financing agreement for Phase 2A of the Gebze-Orhangazi-Izmir motorway in Turkey has been signed. This section includes the bi-tube Selcukgazi tunnel, length 1,037 m. Overall, the ... More Information

Transjura A16 section opened

A 9 km-long stretch of A16 motorway between Bure and Porrentruy was inaugurated and opened to traffic on 21.08.2014. The last link of the A16 connecting the canton of Jura with France, this highway ... More Information

Submission deadline extended

The deadline to submit abstracts for the WTC 2015 in Dubrovnik, Croatia from 22 to 28 May 2015 has been extended to September 15th. Visit http://wtc15.com. 36/14. More Information

Schoema at Innotrans

Schoema at Innotrans

German specialist locomotive and rolling stock manufacturer Schoema will be presenting new technology at Innotrans 2014 in Berlin, September 23-26th. Don’t miss their exhibition stand, and ... More Information

BTS conference registration

BTS 2014 takes place at the QE 2 Centre in London on 23-24th September. Free online registration is available. Accompanied by “a very well attended exhibition, with many key people from the UK and international tunnelling sectors”. 33/14. More Information

TBM renaissance in Norway

TBM renaissance in Norway

A Robbins 7.2 m-diameter main beam TBM is at work on the Rossaga hydro project in Norway, the first Norwegian tunnel to be mechanically bored in 22 years. Watch the six-minute video and visit ... More Information

Terratec double in Delhi

Terratec double in Delhi

The first two of a scheduled 18 breakthroughs of Terratec TBMs have been accomplished on the CC-07 and CC-24 projects at New Delhi Metro Phase-III. Read the press release and visit ... More Information

Putzmeister at Expomina, Peru

Expomina 2014 takes place in Lima, Peru on 10-12th September. Putzmeister will be there on Stand E01 showing its 5 cu m capacity Mixkret 5 mixer/carrier designed for underground applications. Read ... More Information

City Rail Link update

City Rail Link update

New Zealand’s City Rail Link (CRL) will be built in two 3.4 km-long, twin tunnels up to 42 m below the city centre of Auckland. It will extend the existing rail line underground through ... More Information

Palermo railway ring

Palermo railway ring

On 23.07.2014 Tecnis SpA (Catania) began work on Lot 1 of the railway ring in Palermo. Value of the project is EUR152 million, with EUR28 million coming from EU funds. The Giachery-Politeama section ... More Information

Palermo-Messina progress

On 17.07.2014 breakout was achieved at the Palermo end of the 4,127 m-long Monte Poggio Maria tunnel, part of the dualling of the 19.7 km Fiumetorto-Cefalu Ogliastrillo section on the ... More Information

Power your business with tunnelbuilder

As the good times start to roll again in the US and Europe, tunnelbuilder readership is growing rapidly, currently averaging 71,493 visits/month for 2014. Our weekly newsletter garners 10,666 ... More Information

Atkins to lead Doha metro

UK-based design, engineering and consulting firm WS Atkins has been awarded the EUR100 million contract as lead designer for Doha metro Gold Line in Qatar. Visit ... More Information

Top award for Lok Home of Robbins

Once a year, the Underground Construction Association honours a person who has made major contributions to the tunnelling industry throughout their career. Lok Home is the exceptionally deserving ... More Information

Merano northwest bypass

Merano northwest bypass

On 22.07.2014 Bozen Province in Italy approved the definitive alignment of Merano northwest bypass – Lot 2. Tender is expected in 2016, start of work in 2017. Lot 2 will be mainly underground ... More Information

Rishikesh-Karanprayag railway

RNVL is implementing the 125.09 km-long rail project in the Garhwal region in Uttarakhand with a preliminary cost of EUR530 million. The rail project passes through Dehradun, Tehri, Pauri and ... More Information

Breakthrough at the Kargi HEPP

A Robbins double shield TBM broke through on 05.07.2014 in Turkey at the Kargi HEPP. The machine made it through fault zones and squeezing ground, ultimately excavating over 700 m/month. Click ... More Information

Tunnelling News

Construction of Shinku La Tunnel to bolster all-weather connectivity in Ladakh Rising Kashmir

Leh, Apr 21: Member of Parliament from Ladakh, Jamyang Tsering Namgyal, announced that work on the strategically vital Shinku La Tunnel is set to ... More Information

Tunneling works for key Davao bypass road seen completed this year

The Davao City Bypass Construction Project is among the 14 foreign-assisted infrastructure projects approved by the National Economic Development ... More Information

Hamptons Subway Cuts Ribbon on New Foxwoods Tunnel

Hamptons Subway, with U.S. Transportation Secretary Pete Buttigieg, cut the ribbon to begin construction of the new tunnel from Sag Harbor to ... More Information

_TBM quartet tackles differing geology on twin bore tunnel under London

All four tunnel boring machines are now working on HS2's Northholt tunnel, which is divided into two geologically differing sections. More Information

CRCHI video

New CRCHI video for world leading underground equipment - Technology innovates the world... More Information

Deer Creek update

Exciting update from the Deer Creek project team! The Wasatch Worm is almost in the ground and will be ready to start tunneling this week. Over the next few months, it will be devouring a ... More Information

Stonehenge tunnel: Underground cabling installed, while other enabling works paused

The scheme, which involves the construction of a new 12.8km two-lane dual carriageway with a 3.2km tunnel under the Unesco World Heritage Site, was ... More Information

Nepal's first transport tunnel being built with Japanese assistance

Nepal and Japan signed the contract for construction of the tunnel on September 23, 2019, while the commencement started on November 14, 2019. More ... More Information

Cowi selected as technical advisor on world's first ever ship tunnel proposed in Norway

Construction is currently estimated to begin next year. The objective of the Stad Ship Tunnel project is to improve the navigability and safety of ... More Information

How Arnold Dix became a Himalayan hero after rescuing 41 workers from Indian tunnel collapse

Arnold Dix slid his hand into a gap in the rock at the entrance to a tunnel where 41 men were trapped alive, put his back against the cold stone and listened, and felt, and listened some ... More Information

Central Interceptor Tunnel Boring Machine

Watercare Services Limited’s Central Interceptor Tunnel Boring Machine, Hiwa-i-te-Rangi, has achieved a significant milestone, reaching 10,000m (10 kilometres) since leaving Māngere in ... More Information

New tunnelling machine joins three others digging high-speed line under London

Construction of the new HS2 line has hit another major milestone with the launch of the fourth – and final – machine being used to build the giant Northolt Tunnel beneath the capital... More Information

Lower Thames Crossing planning decision moves a step closer

On 21 March, the Planning Inspectorate confirmed that the Examining Authority has sent their recommendation report on the Lower Thames Crossing Development Consent Order (DCO) application ... More Information

AECOM-Jacobs JV signs on to $6B Amtrak tunnel job

Amtrak is gearing up to dig deep in Baltimore. The railroad company selected ADVANCE, a joint venture between Dallas-based infrastructure firms AECOM and Jacobs, to serve as the delivery ... More Information

Lower Thames tunnel boosts new orders data

UK construction contract awards reached their highest level in February 2024 for seven months, according to one of the industry's data monitoring ... More Information

The incredible new £53m tunnel in Spain linking two pretty cities

The work is part of efforts to modernise the railway line between Ourense and Lugo in the autonomous Galicia region. Spanish construction giant ... More Information

ECRL hits new milestone with the completion of three tunnel excavations in Bentong district

The ECRL project features the construction of 41 tunnels with a total length of approximately 69 km along its rail alignment. Section A (Kota Bharu- ... More Information

Boring Co. receives go-ahead to drill more Vegas Loop tunnels

LVCVA President and CEO Steve Hill offered the company access to safety officers after the company was fined $100000 for construction violations ... More Information

Biden-Harris Administration Announces Nearly $4 Billion in Support

The project includes construction of a new two-track heavy rail tunnel along the Northeast Corridor from the Bergen Palisades in New Jersey to ... More Information

World's Longest Twin-Lane Tunnel Inaugurated In Arunachal Pradesh

Constructed by the Border Roads Organisation (BRO) for INR 825 crore, the tunnel is strategically vital due to its proximity to the Line of Actual ... More Information

The £13.3bn tunnel 8.5 miles long that could transform one of the world's biggest cities

The Second Avenue Subway's per-mile construction cost is higher than that of other projects in similar cities like London's Crossrail and Paris's ... More Information

First look inside Silvertown tunnel as TfL confirms summer 2025 opening

... tunnel construction in the face of environmental concerns. Construction is costing about £1bn – with a further £1.2bn due in annual repayments ... More Information

Consortium of Aecom and Arcadis appointed to tunnel and station design contract for Ontario metro

The scope of work for the PTUS contract includes construction of 3km of twin tunnels underneath Pape Avenue between the Gerrard tunnel portal and ... More Information

Snowy Hydro is inching towards powering the nation

... tunnelling progress of one of its critical boring machines ... Some 80 metres underground in temperatures well in excess of 30C, tunnel boring machine ... More Information

Judge rejects challenge to £1.7bn Stonehenge Tunnel

The High Court has thrown out a case brought by campaigners against the £1.7bn Stonehenge Tunnel project. Mr Justice Holgate said most of the ... More Information

9 of the longest underwater tunnels in the world

These stations are the first railway stations constructed under the sea and serve as emergency escape points in case of a disaster. Today, the Seikan ... More Information

EPC contractors sought for Dubai's £17bn sewer tunnels project

The strategic sewerage tunnels project by Dubai Municipality known as the Deep Tunnels Portfolio will involve the construction of wastewater assets ... More Information

The $7BN Mega-Tunnels You've Never Heard Of

But thanks to some incredible underground construction methods, Antwerp is now on course to complete a massive piece of infrastructure it's been ... More Information

3 listed & 2 Unlisted get LOA to build Mumbai Coastal Road Ext

The underground tunnel will run below Malad and Kandivali through the Mangrove creeks and a tunnel boring machine (TBM) will be used for this phase. More Information

New tunnel planned to under the Thames at Tilbury and Gravesend

ianVisits ... tunnel (c) National Grid. Construction will be done by a conventional tunnel boring machine (TBM), which will launch from a 41-metre deep shaft dug ... More Information

Third tunnel breakthrough on Guildford sewage works

A micro-TBM recently broke through on a new tunnel being built for Thames Water's project to relocate sewage treatment works in Guildford. More Information

Japan maglev train project being derailed by Shizuoka stalemate

Opposition in Shizuoka Prefecture emerged from fears the planned tunnel construction for the line could adversely affect the overall volume of water ... More Information

World's most expensive tunnel that ended up costing a whopping £2.3m a day to build

Over 5000 construction workers were employed to complete the Central Artery/Tunnel Project in the United States. More Information

Underground or Elevated Metro Rail – Which One is Better for India?

The cost of tunnel boring machines (TBM) is another significant component. The tunneling cost can be reduced by making longer tunnel contract ... More Information

From Undersea Tunnel To Station Redevelopment

The NHSRCL will construct an adjoining tunnel location as part of the package. To construct this tunnel, the Tunnel Boring Machines (TBMs) with a ... More Information

Second tunnel boring machine for Broadway Subway reaches South Granville Station

The tunnel boring machines will end their journey just before Arbutus Station, which spans two city blocks, with the west block used as the footprint ... More Information

BESIX-MTH awards Nordhavn work to Bravida

... construction of the Nordhavn Tunnel. By & Havn is tasked with developing Ørestad and the port of Copenhagen and runs the daily operations of the ... More Information

After India's first undersea tunnel, Mumbai to get its longest intra-city underground road

... construction with viaducts and modern safety measures. The Coastal Road tunnel is India's first undersea tunnel, constructed using a 12-metre ... More Information

3,200 tonne TBM delivered to France-Italy rail tunnel project

A tunnel boring machine (TBM) manufactured by German tunnelling and mining firm Herrenknecht has been delivered to the Lyon-Turin Mont Cenis base ... More Information