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NCE - 2025 Tunnelling Awards

The tunnelling community gathered in London last week to celebrate another year of technical excellence, creative problem-solving and sector-wide collaboration at the NCE Tunnelling Awards ... More Information

Mapei workshop - Injection systems for construction repair and soil consolidation

Mapei workshop - Injection systems for construction repair and soil consolidation

Press release - On 13 March at 10:00 a.m. the 1st edition of the workshop “Injection systems for construction repair and soil consolidation” will be held at Dorcol Platz, Belgrade. ... More Information

A New Generation of ECO Soil Conditioning Products Reduces Water Use in EPB-TBM Tunnelling

A New Generation of ECO Soil Conditioning Products Reduces Water Use in EPB-TBM Tunnelling

Tunnel excavation using EPB-TBMs has achieved remarkable productivity due to advancements in TBM design, highly effective soil conditioning products, improved backfilling grout techniques, and more. ... More Information

Join Mapei’s Underground Technology Team for an Exciting Event at Our Mapei World London City Showroom

  📅 Date: [Thursday 22nd AUGUST] 🕒 Time: [2 PM- 6 PM] 📍 Location: [Mapei World London City Showroom, 6 Great Sutton Street, London, EC1V ... More Information

Mapei UTT - Massive contribution for waterproofing works on M4 metro line

Mapei UTT - Massive contribution for waterproofing works on M4 metro line

58 years after inaugurating Milan’s first underground railway line, six stations opened their doors last year on 26th November to passengers travelling on the city’s new line, the fifth ... More Information

NAT 2022

The North American Tunneling (NAT) Conference – will be held in Philadelphia from 19-22 June 2022 - is the premier biennial tunneling event for North American tunnelling. This four-day ... More Information

MAPEI's UTT Division - Santa Lucia tunnel

MAPEI's UTT Division - Santa Lucia tunnel

MAPEI's UTT Division have provided technological solutions and technical assistance for all the main applications related to excavation of the S. Lucia tunnel. The tunnel is on the new three ... More Information

Not long to go for the STUVA Expo and Conference 2021!

Its less than a week to go until the STUVA Expo and Conference 2021. The conference will be held from the 24 to 26 November in Karlsruhe. To find out all about the conference please click here for ... More Information

Mapei - Concrete restoration and waterproofing systems on existing tunnels

Mapei - Concrete restoration and waterproofing systems on existing tunnels

Maintenance of underground infrastructure is one of the most important issues for the construction market. Nowadays, maintenance includes priority activities, in order to maintain the value of ... More Information

LUNCHTIME LECTURE SERIES - #4

This fourth instalment of the Lunchtime Lecture series will be on “Modern Approaches to Tunnel Waterproofing  - Case studies from the major industry ... More Information

Mapei Underground Technology Team

Mapei Underground Technology Team

Mapei's response to the growing demand from the construction market was to create their Underground Technology Team and product line. The Underground Technology Team (UTT), is dedicated ... More Information

MAPEI: PLATINUM SPONSOR OF THE WORLD TUNNEL CONGRESS 2019

MAPEI: PLATINUM SPONSOR OF THE WORLD TUNNEL CONGRESS 2019

Mapei is Platinum Sponsor at WTC 2019, the Annual Congress dedicated to Tunnelling and Underground Construction, which this year will be held in Naples at the Mostra d’Oltremare exhibition and ... More Information

Waterproofing system for Buenavista 2 Tunnel

 Waterproofing system for Buenavista 2 Tunnel

The new Chirajara-Villavicencio roadway represents the final third of the Bogotá-Villavicencio corridor, between the departments of Cundinamarca and Meta, with a total length of 22.60 ... More Information

Ground conditioning in mechanized tunnelling - New Line of Eco Foaming Agents

Ground conditioning in mechanized tunnelling - New Line of Eco Foaming Agents

In recent years, the issue of environmental impact of chemical products for construction has become increasingly relevant in every field of application. The mechanical excavation of tunnels with ... More Information

MAPEI’s Middle East operations see a 4.36% increase in turnover in 2017

MAPEI Underground Technology Team (UTT) is fueling the company’s growth across the region thanks to a number of recent, high-profile successful projects, which have helped the company achieve a 4.36 per cent increase in the turnover in the Middle East in 2017 compared to 2016. More Information

World Tunnel Congress 2018

Today 23rd of April 2018 is the official opening of the World Tunnel Congress which is being held in Dubai, UAE, at the World Trade Centre. The theme is ‘The Role of Underground Space in ... More Information

Mapei Group acquire Fili & Forme Srl

Mapei Group acquire Fili & Forme Srl

On April 4th 2018, Mapei Group acquired FILI & FORME Srl, a company that has been operating for more than 10 years in the building industry as part of  the Istrice brand. Fili & ... More Information

The future of tunnelling – Martin Knights

The future of tunnelling – Martin Knights

The Changing Face of the Tunneling Industry: The Role of the ITA, Partnership, and Innovation Posted by Martin Knights on the Robbins website | The Future of Tunnelling Martin Knights graduated ... More Information

Mapei – celebrates 80 years of excellence

Mapei – celebrates 80 years of excellence

Mapei’s story is synonymous with Italy, the country that witnessed its birth and growth. Day in and day out, construction sites worldwide have counted on Mapei. They have been in the tunneling ... More Information

Mapei – Platinum Sponsor of the 4th Arabian Tunnelling Conference

Mapei – Platinum Sponsor of the 4th Arabian Tunnelling Conference

Mapei, the worldwide leading manufacturer of adhesives, chemical products, and sealant for the building industry, has been announced as a Platinum Sponsor of the 4th Arabian Tunnelling Conference ... 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

Innovation in the construction of underground works

During ExpoTunnel, on October 23-24, the SIG - Italian Tunnelling Society has organized the international conference Innovation in the construction of underground works. Among the speeches on 23 ... More Information

Webinar through WebEx on 18 June 2014

Webinar through WebEx on 18 June 2014

Following successful cooperation with the Robbins Company on TBM seminars in Colombia, Ecuador and Brazil, Mapei UTT is participating in the first of a Webinar series for 2014 organized by Robbins. ... More Information

Ground conditioning for EPB TBMs Webinar

Ground conditioning for EPB TBMs Webinar

The Robbins Company is hosting a complimentary hour-long web seminar on 18th June, 2014 at which experts from Robbins, BASF and Mapei will discuss available ground conditioning techniques and ... More Information

STUVA Conference 2013 in Stuttgart

STUVA Conference 2013, with the slogan ‘’Tunnels – Infrastructure for the Future’’ will be held at the Congress Centrum of Stuttgart from 27-29th November, 2013 More Information

Mapei at WTC2013

Mapei at WTC2013

WTC2013 was a successful congress, with more than 1,800 participants, some 110 exhibitors and several very well attended social events. More Information

Sesto-Monza metro extension

The JV Coestra/Bonciani/ACMAR of Florence was awarded the contract for the 1.8 km-long Line 1 metro extension from Sesto FS to Monza, in Italy. More Information

Expotunnel launching in 2013

Expotunnel, making its debut in Bologna, Italy 17-20th October, 2013, will provide a new showcase for the tunnelling industry. More Information

Everything ready for Geofluid

Everything ready for Geofluid

Geofluid, the biannual international show specializing in subsoil fluid prospecting extraction and transport, geological and geophysical drilling, deep foundations, More Information

ERMCO 2012 Congress for Verona

The XVI International ERMCO Congress, returning to Italy after 26 years, will be in Verona from June 21st – 22nd. More Information

World Tunnel Congress 2012

WTC is taking place in Bangkok, Thailand from 18th to 23rd May. Congress theme is Tunnelling and Underground Space for a Global Society. More Information

Turin Hosts INTERtunnel 2012

INTERtunnel 2012 will be held in Turin 27-29th March, 2012 at Lingotto Fiere exhibition centre along with the rail EXPO Ferroviaria. INTERtunnel is an established platform for the international tunnelling industry to showcase new products and technologies. 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

Samoter at Verona in March

Samoter at Verona in MarchThe 28th edition of Samoter at Verona from March 2-6, 2011 will welcome the best Italian and international brands in the following sectors: earth moving, concrete, road ... More Information

Intertunnel/Expoferroviaria at Turin

Intertunnel/Expoferroviaria at TurinThe Intertunnel-Expoferroviaria will take place in Turin at the Lingotto Fiere exhibition centre June 8-10, 2010. For Intertunnel, more than 60 exhibitors from 11 ... More Information

Intertunnel 2010 gains pace

Intertunnel 2010 gains paceAs the only Italian exhibition dedicated exclusively to the tunnelling industry, Intertunnel is drawing some of the great names to Torino for 8-10th June, 2010. Palazzoli ... More Information

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Tunnelling News

TUNNEL VISION Mega £7.4bn undersea tunnel connecting two CONTINENTS just got one step closer

A MAJOR £7.4 billion underwater tunnel connecting two continents has taken a step closer to construction. Experts have said the 24-mile tunnel is “technically viable”, paving the way for ... More Information

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