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Angren-Pop Railway Line

Uzbekiston Temir Yullari the Uzbekistan Railway Company, will shortly open their new123.1 km  electrified railway line between Agren in the Tashkent region and Pap in the Namangan region. ... More Information

ITA COSUF - Press Release

ITA COSUF - Press Release

4th European Forum of Road Tunnel Safety Officers - High Quality Meeting of Specialists in Rotterdam (The Netherlands) from 9th to 10th March 2016. There is a great demand of high quality knowledge ... More Information

Terratec TBM breaks through in Istanbul metro

Terratec TBM breaks through in Istanbul metro

Terratec is pleased to announce that its EPB TBM designated as S42 holed through on Friday, the 4th of December 2015 in Istanbul after completing the first half of its proposed run from Yenimahalle ... More Information

Terratec delivers two new micro-tunnelling systems

Terratec delivers two new micro-tunnelling systems

On 15th December 2015 TERRATEC successfully completed the Factory Acceptance Tests of two new Micro-tunnelling Systems in its facilities in Thailand for the MRTA Green Line (North) ... More Information

La Quercia-Aglio section Highway A1 now open

On  the 23.12.2015 the Sparvo tunnel had its opening ceremony. It is part of the 32km La Quercia - Aglio section of the Apennine Road Bypass to Highway A1. In this section motorists will be ... More Information

Belchen renovation tunnel – TBM will be launched next February

Belchen renovation tunnel – TBM will be launched next February

The cutter head for the front of the Herrenknecht single shield TBM was fitted on 11th November 2015. The TBM which is 13.97 m in diameter, 2000 ton in weight and has a length of 75 m will start ... More Information

WTC 2016 – Technical papers

The 2016 World Tunnel Congress will be held on 22-28  April 2016 in San Francisco, California. With as many as 600 unique technical presentations, short courses and breakout sessions visitors ... More Information

geoSURE from Sandvik turns drill rig into analyzer

geoSURE from Sandvik turns drill rig into analyzer

Sandvik Construction is adding a revolutionary rig-integrated, high precision, online rock mass analysis and visualization system to its existing offering for tunneling process optimization – ... More Information

Røssåga Main Beam sets Norwegian Milestone

Røssåga Main Beam sets Norwegian Milestone

Robbins Machine is the first TBM to break through in Two Decades. A crowd of crew members gathered to celebrate in front of a newly emerged hard rock TBM on December 10, 2015 in northern Norway, ... More Information

Midtown Tunnel - Two construction milestones achieved

In December the Midtown Tunnel’s tide gate was installed to protect the new tunnel from severe weather impacts, and the final bulkhead was removed between the Norfolk approach and Element ... More Information

A Historic Moment for TBM in Norway!

A Historic Moment for TBM in Norway!

The first Norwegian TBM to break through in over 20 years happened on December 10, 2015 at the Rossaga Hydroelectric Project. The TBM, nicknamed "Iron-Erna", is the first TBM used in Norway since ... More Information

ES Rubber - Tunnel Metro Guadalajara Line 3

ES Rubber - Tunnel Metro Guadalajara Line 3

In the Mexican state of Jalisco, the 5.5 km central section of the Guadalajara metro’s new Line 3, between La Normal and Plaza de la Bandera stations, will be driven by a TBM EPB for almost 4 ... More Information

Metro Guadalajara Line 3

In 2014 the Mexican Ministry of Communication and Transportation (SCT- Secretaría de Telecomunicaciones y Transportes) awarded Sener the Guadalajara metro’s new Line 3 project. Sener ... More Information

Sections of the SR 99 tunnel built without Bertha

Approximately 20 percent of the SR 99 tunnel was designed to be built without Bertha, the SR 99 TBM. Seattle Tunnel Partners had bored more than 305 m of tunnel before they stopped to repair Bertha. ... More Information

Normet new tunnel equipment launch

Normet new tunnel equipment launch

Normet has launched its new M and L-Series underground mining and tunnelling equipment offering with the European Stage IV/U.S. EPA Tier 4 Final power train technology (“Tier 4F”) based ... More Information

WTC 2016

The 2016 World Tunnel Congress will be held on April 22-28, 2016 in San Francisco. WTC returns to the United States for the first time in 19 years. Exhibitors can register using the registration ... More Information

Hallandsas tunnels officially open

Hallandsas tunnels officially open

The railway tunnels through Hallandsas, in southwestern Sweden, were officially opened on 08.12.2015. The tunnels are the country’s most important railway infrastructure project in 40 years. ... More Information

Breakthrough of the Shatin to Central Link Hin Keng to Kai Tak Tunnel

Breakthrough of the Shatin to Central Link Hin Keng to Kai Tak Tunnel

On the 11.11.2015 the final blast underneath Lion Rock, finished the 2.4 km  tunnel stretch from Hin Keng to Kai Tak for the Shatin to Central Link (SCL) Project. 60% of the tunnel excavation ... 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

Customers at forefront of drill rig remote screen development

Customers at forefront of drill rig remote screen development

In 2014 Sandvik introduced a completely new radio remote controlled drill rig to its surface top hammer drill rig offering, the Dino DC400Ri. The concept of this new drill rig drew extensively on ... More Information

Watch Robbins latest video!

Watch Robbins latest video!

See Robbins TBMs in a New Light - From Onsite Assembly to the first Breakthrough, watch EPB Tunneling at North Link Evolve.  Watch Robbins latest video which documents the Onsite First Time ... More Information

ITA Tunnelling Awards 2015

On the 19th November 2015, 24 projects and their representatives, along with 8 engineers, 5 engineering companies and 5 contractors who were all candidates for this years ITA Tunnelling Awards in ... More Information

A.S.T. Bochum on tunnelbuilder!

A.S.T. Bochum on tunnelbuilder!

Tunnelbuilder is pleased to announce that A.S.T. Bochum of Germany has become a new advertiser on our website. A.S.T. Bochum is your specialised supplier for all Tunnelling, Microtunnelling as ... More Information

Mühlhäuser enters Tunnel Boring Machine Business

 Mühlhäuser enters Tunnel Boring Machine Business

Zürich / Lyon, 13.11.2015: NFM Technologies and MÜHLHÄUSER have signed an exclusive agreement whereby Mühlhäuser will represent NFM Tunnel Boring Machines (TBMs) with ... More Information

South Tyrol – Castelbello/Colsano ring road

The detailed design of the Castelbello and Colsano ring road has been approved for the SS 38 in Stelvio. The tender is about the construction phase and will be reviewed in 2017, the value will be ... More Information

Updates on Wendlingen - Ulm line

Updates on Wendlingen - Ulm line

Wendlingen-Ulm Line Steinbuehl Tunnel On 06.11.2015 at the Todsburg portal the breakthrough took place of the 4847 m long Steinbuehl tunnel. This was originally expected in the spring of 2016 ... More Information

ES Rubber gaskets used for Koralm tunnel

 ES Rubber gaskets used for Koralm tunnel

As part of the Koralm tunnel (lot KAT 3) two tunnels, which are 5.9 km long and with a 9.5 m external diameter, will be driven by a bi-modal TBM and will be lined with about 45,000 segments ... More Information

Melbourne Metro Rail Project

Melbourne Metro Rail Project

On 19.11.2015 the government announced the EUR6.08-7.43 billion (AUD9-11 billion) Melbourne Metro project in Australia can be procured as an availability based Public Private Partnership (PPP) ... More Information

Shieldhall tunnel

Shieldhall tunnel

Scottish Water reached a key milestone in the construction of the Shieldhall Tunnel in Glasgow. Bachy Soletanche, the UK company contracted last June by the JV VINCI Construction Grands Projets and ... More Information

Underground Construction Prague 2016 - Registration

The on-line registration has now opened the for the 2016 Underground Construction conference that will be held in Prague from 23.05.2016 to 25.05.2016. To register please visit the website ... More Information

Breakthrough of Line 3 of Riyadh's Metro

A ceremony was held for the breakthrough of  Line 3 of Riyadh's Metro, it is the longest part of the network at 40.7 km. The line runs from the west near the Jeddah Expressway and ends in the ... More Information

New record set by SELI on the Doha Metro Gold Line

New record set by SELI on the Doha Metro Gold Line

On 08.11.2015 Seli Overseas broke through at Al Wabb Station on the Doha Metro Gold Line and set a new production record for the line with 625 m excavated in one month. Seli Overseas subcontract ... More Information

STUVA-Expo 2015

STUVA-Expo 2015

STUVA-Expo 2015 - these 164 exhibitors are prepared for your visit! 3D Mapping Solutions GmbH, A.S.T. Bochum GmbH, AB Alvenius Industrier, ACO Tiefbau Vertrieb GmbH, ADCOS NV, Adolf Würth GmbH ... More Information

Metro Line 1 at Turin

A TBM, built in Germany by Herrenknecht, will be assembled and lowered in the metro station ready to dig and build a tunnel under Nizza Street, first towards Moncalieri and then towards Lingotto for ... More Information

Third light rail tunnel segment for Northgate Link extension completed

On 06/11/2015 the TBM Brenda reached the future station of the extension of the U District Northgate Link to Seattle, completing the third segment of the twin 3.5-mile tunnels being mined by JCM ... More Information

Sandvik and Bauma Munich 2016

Sandvik and Bauma Munich 2016

Sandvik Construction will not now be exhibiting at Bauma in April 2016. The reason for this decision is due to their continuing strategy of focusing on the real needs and requirements of their ... More Information

Tunnelling News

TBM breakthrough in Sydney

Tunnel boring machine (TBM) Jane Starkey successfully completed her 1.2km underground journey through challenging Sydney sandstone... More Information

Hochul announces $25 million for Harlem crosstown subway tunnel design

At E. 120th St., a pair of tunnel-boring machines — currently under construction in Germany — will bore new, 8,400-foot tunnels north from the end ... More Information

Tunnelling under the Yarra River

Our two Tunnel Boring Machines (TBMs) will soon be travelling underneath the Yarra River... Approximately 300 metres of the 6.5 kilometre North East Link will be under the Yarra ... More Information

The Boring Company says its tunneling machine is 'ready to mine in Nashville'

The Music City Loop project is aimed at transporting people from Nashville International Airport to Lower Broadway in roughly 10 minutes. By Li ... More Information

Norway Is Building the World's Longest and Deepest Tunnel Beneath the Sea

The Rogfast project, short for Rogaland Fixed Link, is an underwater road tunnel being built beneath Norway's fjords as part of the E39 coastal ... More Information

Future engineers become 'TBM Captains' for Suburban Rail Loop

Tunnel Boring Machines (TBMs) that will begin work this year. The tour of the eastern tunnel entrance was part of a long-term initiative, with ... More Information

Image gallery: Civil works completed on HS2's longest tunnel

Main construction on the Buckinghamshire structure began in May 2021 with the launch of two 2,000-tonne tunnel boring machines (TBMs), named Florence ... More Information

The Boring Company Launches Free Tunnel Contest: AI Applications for Smart Infrastructure

According to Sawyer Merritt on Twitter, The Boring Company has announced a contest to build a one-mile tunnel for free, inviting proposals for ... More Information

Out of sight: spectacular HS2 tunnels offer glimmer of hope for stalling project

Despite much soul-searching over UK’s inability to build infrastructure, two sections of HS2 under Chilterns are being hailed for their engineering... More Information

HS2 January 2026 update

We’re making progress building the main infrastructure for the new line. We’ve completed 80% of tunnelling and are working on major bridges, viaducts and embankments, and HS2’s new ... More Information

Implenia Secures EUR 350 Mln Projects For Bridges, Tunnel Works In Germany

Tunnel to join motorway sections and connecting roads. The Swiss construction and real estate company said the Peene Bridge project in Wolgast, ... More Information

Incredible new $7.9bn mega rail and road tunnel to be the world's longest

The safety of our workers is of utmost importance during the construction of the Fehmarn Belt Tunnel. We will await the findings of the ... More Information

TBM launch from Rukanpura soon as metro work gains pace

The tunnel boring machine (TBM) for the underground network is likely to be launched from Rukanpura on Bailey Road, which falls under Corridor I ... More Information

World's largest-diameter boring machine used for Yangtze River railway tunnel

China's domestically developed, world's largest-diameter vertical shaft boring machine 'Qiming' was officially put into operation in Taicang City ... More Information

HCMC approves sea-crossing route with undersea tunnel between Can Gio and Vung Tau

Ho Chi Minh City has approved a strategic proposal by Vingroup to construct a direct sea-crossing road connecting the Can Gio coastal urban area with Vung Tau beach town, cutting travel ... More Information

Changi Airport’s new underground link to take passengers from future T5 to T2 in 4 minutes

SINGAPORE – Passengers at the future Changi Airport Terminal 5 can expect to reach Terminal 2 in four minutes via the airport’s new underground link... More Information

SRL inspires TBM Captains - Victoria's Big Build

Tunnel Boring Machine (TBM) Captains. When SRL East opens in 2035 ... Construction of SRL East is powering ahead, with more than 3000 people ... More Information

Beneath winter's fjords: 17 miles of rock, 1300 ft deep

Rogfast tunnel construction beneath Norway's winter fjords, 17 miles long and 1,300 feet deep,. Credits: Ground Engineering. For years, the E39 ... More Information

Massive Sinkhole Opens Near $26 Billion Tunnel Project in Melbourne

A massive sinkhole has suddenly opened up in Melbourne near a major highway tunnel construction site, sparking safety fears and halting ... More Information

The world's longest expressway tunnel: China's Tianshan Shengli Tunnel

At the same time, the project also implemented China's first 'three-tunnel parallel construction' plan, which increased the number of workfaces. At ... More Information

'Not really where you want to be': Ground preparation for Lower Thames Crossing tunnelling

The Lower Thames Crossing is a major new road and tunnel project in the UK, intended to alleviate congestion at the Dartford Crossing and enhance. More Information

Funding problems affect metro line extensions

In the Athens metropolitan area, construction of Line 4 is continuing, with the Avax-Ghella-Alstom consortium saying the two tunnel-boring machines ... More Information

Transport Minister inspects progress on Cairo Metro Line 4 phase one

Four tunnel boring machines (TBMs) are in operation—two in each direction. According to the project timeline, the first TBM has reached the Grand ... More Information

Here's what happened with Toronto's Scarborough Subway Extension in 2025

SSE tunnelling, which began in January 2023, is being carried out with the largest tunnel boring machine (TBM) ever used on a Canadian transit project ... More Information

NHAI connects Tunnel No. 4 on Shimla bypass

NHAI PIU Shimla Project Director Anand Kumar, Bharat Construction ... The tunnel was constructed using the New Austrian Tunnelling Method (NATM) ... More Information

Mumbai-Ahmedabad Bullet Train Update: Palghar Tunnel Breakthrough Achieved

NHSRCL Bullet Train Project | India First Bullet Train Update: Last year, the Ministry of Railways achieved a breakthrough in the construction of ... More Information

Main tunnel works connecting future Changi Airport T5 to existing T2 completed

Main tunnel works connecting the future Terminal 5 to the existing Terminal 2 are completed, as the Changi East development gathers pace... More Information

Testing completed on Hudson River Tunnel boring machines

The project calls for construction of 9 miles of passenger-rail track between New York ... More Information

World's longest motorway tunnel finally opens in £3BILLION project

The Tianshan Shengli (Victory) Tunnel, located in the Tianshan Mountains of Xinjiang, China, measures some 22 kilometres – roughly 13.75 miles – and ... More Information

Cross-river tunnel of Nanjing Metro Line 4 Phase II completes tunneling

This photo taken on Dec. 27, 2025 shows the rear of the "Xinzhengcheng" tunnel boring machine at the construction site of Nanjing Metro Line 4 ... More Information

Tunnels Design and Construction Market is Going to Boom

HTF Market Intelligence projects that the global Tunnels Design and Construction market will expand at a compound annual growth rate (CAGR) of 6.80% from 2025 to 2032, from 72 Billion in ... More Information

Longest tunnel in the world costing £7billion will connect 3 European cities

The Brenner Base Tunnel is currently under construction and will connect the countries of Austria and Italy. The impressive tunnel, which is set ... More Information

Georgian Officials Mark Completion of Railway Modernization, Hoping to Boost Transit

The works also included the construction of the 8,300-meter dual-tube tunnel near Kvishkheti, 10 bridges, six tunnels, and around 100 engineering ... More Information

Israeli municipality approves budget for new tunnel project south of Jerusalem

The Jerusalem Governorate said that the project aims to connect the Har Homa settlement, built on Jabal Abu Ghneim land, to the Begin bypass road near ... More Information

Megaprojects Under Construction Around World In 2026

Described as the largest road tunnel in the U.K., the Lower Thames Crossing will link Tilbury in Essex via a tunnel underneath the Thames with ... More Information

Delhi Metro expansion: Cabinet approved Rs 12,015 crore project

The project, planned over a construction timeline of three years, will be executed largely underground using tunnel boring machines to minimise ... More Information

World's Longest Expressway Tunnel to Open, Linking North and South Xinjiang

Engineers used innovative methods and specially designed machines called tunnel boring machines (TBMs) to dig through hard rock faster and safer than ... More Information

The huge £21bn mega-tunnel that goes right through the middle of a mountain

Huge boring machines will create a 57.5km (35.7mile) tunnel through the Alps to connect French and Italian high-speed rail networks and link Lyon ... More Information

Rome digs deep for railway that burrows beneath the Colosseum

Tunnellers used lasers to check whether ancient columns at the nearby Forum were not wobbling as their 300ft long tunnel boring machine churned ... More Information