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Lake Hodges-Olivenhain Reservoir Water Tunnel Nears End

Lake Hodges-Olivenhain Reservoir Water Tunnel Nears EndA water tunnel to link Lake Hodges and Olivenhain Reservoir is built by Kiewit Pacific Co. for the San Diego County Water Authority ... More Information

Fifth and Last TBM Launch at Pajares

Fifth and Last TBM Launch at PajaresThe fifth of the five TBMs needed to dig the 2 x 24.7 km Pajares tunnel commenced on 10th July, 2006 from the Asturias side. That TBM has been produced at ... More Information

Second Islisberg Tunnel Breaks Through

Second Islisberg Tunnel Breaks ThroughA Herrenknecht tunnel boring machine (machine S-256) holed through on 12th July, 2006 the 4,645 m-long east tube of the Islisberg tunnel in Zurich, ... More Information

Tunnelling of Maurice Lemaire Safety Tunnel Ends

Tunnelling of Maurice Lemaire Safety Tunnel EndsMore than fifteen months have been necessary for a Herrenknecht gripper TBM, christened 'Cynthia' in December 2004, to complete a 6,226 m-long ... More Information

Line C Extension of Prague Metro Makes Headway

Line C Extension of Prague Metro Makes HeadwayThe extension of Line C in Prague from Ladvi to Letnany (4,602 m, whereof 2,360 m in mined tunnels, with stops in Strizkov, Prosek and Letnany) is built ... More Information

Repairing the Montblanc Tunnels on the Lleida-Barcelona High Speed Link

Repairing the Montblanc Tunnels on the Lleida-Barcelona High Speed LinkThe Camp Magre, Lilla and Puig Cabrer tunnels are situated on subsection lV-b (for the first two) and V on the ... More Information

Putzmeister Ibérica Markets Vacuum Cleaner for TBMs

Putzmeister Ibérica Markets Vacuum Cleaner for TBMsSpain is the world's first market in terms of the number of tunnel boring machines in activity at the moment. At least 25 TBMs were working ... More Information

Third TBM Starts Boring on Line 9 in Barcelona

Third TBM Starts Boring on Line 9 in BarcelonaTunnelling on the future Line 9 of Barcelona's metro, an infrastructure that will cross Barcelona connecting Badalona and Santa Coloma de ... More Information

Chicago Finishes Deep Tunnel

Chicago Finishes Deep TunnelAfter 30 years and more than USD3 billion, the 176 km of tunnels were completed recently when the 12.9 km Little Calumet leg near Calumet City, Lansing and South ... More Information

Lovat TBM Starts Canada Line in Vancouver

Lovat TBM Starts Canada Line in VancouverA Lovat TBM, nicknamed 'Sweet Leilani', was launched with champagne on 10th June, 2006 at an official ceremony at the future False Creek South station ... More Information

Robbins Signs Contract for Very Long Water Tunnel in India

Robbins Signs Contract for Very Long Water Tunnel in IndiaJaiprakash Associates Limited (JAL) has signed contracts with Robbins for the AMR project in Andhra Pradesh, India on 26th May, 2006. The ... More Information

Eiksund Tunnel Sets New Record

Eiksund Tunnel Sets New RecordThe 7,765 m-long Eiksund tunnel in Norway has set a new world record when the deepest point excavated so far (-266 m below sea level) was reached on 31st May, ... More Information

Hsuehshan Tunnel Opens in Taiwan

Hsuehshan Tunnel Opens in TaiwanThe 12.9 km Hsuehshan, or Snow Mountain, tunnel has opened to traffic on 16th June, 2006 in eastern Ilan county, Taiwan. It is the longest road tunnel in Asia ... More Information

Robbins Readies TBMs for Capilano-Seymour Water Scheme in Vancouver

Robbins Readies TBMs for Capilano-Seymour Water Scheme in Vancouver Deployment of the first of two Robbins tunnel boring machines represents a significant step in construction of the ... More Information

Double Breakthrough with Two Lovats in Bologna

Double Breakthrough with Two Lovats in Bologna Sergio Cofferati, the mayor of Bologna, and Elio Catania, the president and CEO of the Italian railways, presided on 31st May, 2006 the ... More Information

Norway Builds SILA Project

Norway Builds SILA Project Sweden's LKAB supplies highly upgraded iron ore products to the steel industry and custom-adapted mineral products to other industrial sectors. Most of LKAB's ... More Information

Chilean President Michelle Bachelet Kicks off San Cristobal Tunnel at Groundbreaking Ceremony

Chilean President Michelle Bachelet Kicks off San Cristobal Tunnel at Groundbreaking CeremonyChilean president Michelle Bachelet, minister of public works Eduardo Bitran, and Karl Traub, ... More Information

Flood Relief Tunnel Starts in Paris

Flood Relief Tunnel Starts in ParisAn impressive tunnel boring machine commences to work at the Ivry-Massena tunnel (TIMA) in Paris. Its mission is to dig Europe's biggest and deepest ... More Information

Last Breakthrough in the Uetliberg Tunnel with Tunnel Bore Extender Using Undercutting Technique

Last Breakthrough in the Uetliberg Tunnel with Tunnel Bore Extender (TBE) Using Undercutting TechniqueOn 18th May, 2006 the Uetliberg tunnel construction crew celebrated the TBE's last ... More Information

Katschberg Tunnel Breaks Through in Austria

Katschberg Tunnel Breaks Through in AustriaThe 5,414 m Katschberg tunnel on the A10 Tauern motorway connects Salzburg with Carinthia. It is a single bored tunnel and for obvious safety ... More Information

World's Largest TBM Ready to Cross the Yangtze in Shanghai

World's Largest TBM Ready to Cross the Yangtze in ShanghaiAt the end of April 2006, Herrenknecht handed over the first tunnelling machine with a diameter of 15.43 m to the Chinese client ... More Information

Angela Merkel Inaugurates New Central Station and Tunnel in Berlin as Germany Hosts World Cup

Angela Merkel Inaugurates New Central Station and Tunnel in Berlin as Germany Hosts Football World Cup Berlin inaugurated its new central station on 26th May, 2006. The new station is ... More Information

Nordoya Tunnel Opens in Faroe Islands

Nordoya Tunnel Opens in Faroe IslandsThe 6.2 km Nordoya subsea tunnel opened on 29th April, 2006 in the Faroe Islands, three months ahead of schedule. This is a single-tube dual-lane tunnel, the ... More Information

First Sections of Variante di Valico to Open Soon

First Sections of Variante di Valico to Open SoonThe upgrading project of the Apennine section between Sasso Marconi and Barberino di Mugello, first designed in 1993 and revised in 1999, goes from ... More Information

Construction Starts on Tunnel under Yangtze River in Wuhan

Construction Starts on Tunnel under Yangtze River in WuhanWuhan, capital of Hubei province, wants to decongest the only two bridges over the Yangtze River in the city centre. The 3,609 m-long ... More Information

Underground Drillrigs Launch

Underground Drillrigs LaunchAfter the Rocket Boomer E2, Atlas Copco has added a new member to the Rocket Boomer E-series family: the Rocket Boomer XE3, a three-boom drill rig. The Rocket ... More Information

East Rail's Lok Ma Chau Spur Line Extension in Hong Kong Nears End

East Rail's Lok Ma Chau Spur Line Extension in Hong Kong Nears EndIn Hong Kong's Northern New Territories lies a 25 hectare site of agricultural lands and ponds. This is the Long Valley ... More Information

One out of Four European Tunnels is Unsafe

One out of Four European Tunnels is UnsafeThe EuroTest firstly, then the European Tunnel Assessment Programme (EuroTAP) began in 2000 following the Mont Blanc tunnel disaster when 39 people ... More Information

Experts Invited to Workshop and Fire Test on Water Mist Systems

Experts Invited to Workshop and Fire Test on Water Mist SystemsIntensive research work over the last decade has shown that fixed automatic firefighting systems considerably can increase safety in ... More Information

Turin Hosts INTERtunnel 2006

Turin Hosts INTERtunnel 2006The 7th INTERtunnel will be held in Turin at the Lingotto Fiere exhibition centre from 16th to 18th May, 2006. Italy is the ideal host country for an exhibition covering ... More Information

Rome Presented Project Finance Scheme for Metro Line D

Rome Presented Project Finance Scheme for Metro Line DOn 13th April, 2006 the project finance scheme of Line D, the fourth subway line in Rome, has been presented. This is a new line to be developed ... More Information

First Castellanza Tunnel Breaks Through on Saronno-Malpensa Railway Section

First Castellanza Tunnel Breaks Through on Saronno-Malpensa Railway SectionThe first tunnel built to place underground the FNM tracks in Castellanza broke through on 19th April, 2006. The ... More Information

SMART Southern Tunnel Breaks Through in Kuala Lumpur

SMART Southern Tunnel Breaks Through in Kuala Lumpur The southern drive of the SMART (Stormwater Management and Road Tunnel) project in Kuala Lumpur, Malaysia was completed on 22nd ... More Information

Zitron to Supply Fans for World's Biggest Underground Project

Zitron to Supply Fans for World's Biggest Underground ProjectThe M-30 motorway in Madrid is a large thoroughfare built in the seventies between Manoteras junction and Los Franceses bridge, and ... More Information

Concrete Admixtures by Sika

Concrete Admixtures by SikaSika's latest products include several novelties in the range of concrete admixtures. Sigunit®-L52 AF S and Sigunita®-L53 AF S are ecological alkali-free ... More Information

Stockholm to Present Projects Worth EUR2.5 Billion at International Meeting

Stockholm to Present Projects Worth EUR2.5 Billion at International MeetingThe Stockholm region is currently undergoing a period of rapid expansion. Within the next ten years, several very large ... More Information

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Tunnelling News

Elon Musk's company unveils first look at the Las Vegas loop

The tunnel-way, dubbed the “Vegas loop”, is a nearly $52.5 million ... Reporters and various Las Vegas media entities were shown the project on ... More Information

Bids solicited for contract to build tunnel linking rail lines

THE TRANSPORTATION department has started seeking bidders for the tunneling works contract connecting the South Commuter Railway Project to ... More Information

Media get first glimpse of Elon Musk's people-mover tunnels

After construction crews spent months drilling, digging, mucking, paving, lining and electrifying tunnels, representatives of Las Vegas media were ... More Information

HALFWAY FOR ROZELLE INTERCHANGE TUNNELLING

Construction of Australia’s biggest road infrastructure project has reached another major milestone, with Rozelle Interchange tunnelling passing the half way mark... More Information

Western Isles to mainland Scotland tunnel to be considered

YOU ARE HERE:INNOVATIVE THINKING Western Isles to mainland Scotland tunnel to be considered 07 APR, 2021 BY CATHERINE KENNEDY A 27km tunnel linking the Western Isles and mainland ... More Information

Snøhetta begins construction on world's first ship tunnel through Norwegian coastline

Construction begins on Snøhetta's entrance for the mile-long ship tunnel which will introduce a safe passage for large vessels along the turbulent ... More Information

New design contract for the Dhaka Metro Line 5 South in Bangladesh

Egis has successfully signed the Contract Agreement with Dhaka Mass Transit Company Limited (DMTCL) for the design of the Dhaka Metro Line 5 South. Egis, leader of the consortium will work ... More Information

China's longest underwater highway tunnel to be completed

It is part of the Changzhou-Wuxi Highway which has a total length of 43.9 km. Construction of the underwater tunnel began in January 2018 in east ... More Information

The Challenge of Building a Tunnel in the Middle of the Colombian Rainforest

The La Paz tunnel is located in the La Paz mountain range in Lebrija, a municipality in the department of Santander (Colombia). This region has a warm climate with two annual periods of ... More Information

Crews prep boring machine for new sewage tunnel from Ballard to Wallingford

“Sir Digs-A-Lot” is one of five finalists out of 1,200 community suggestions for the name of Seattle’s next big underground tunnel boring machine... More Information

World's first ship tunnel to be built under Norwegian mountains

(CNN) — Norway has got the go-ahead to construct what's being billed as the world's first ship tunnel, designed to help vessels navigate the treacherous Stadhavet Sea... More Information

The Science of Tunnelling

Cross River Rail will have 5.9 kilometres of twin tunnels running deep under Brisbane. Giant underground factories... More Information

Thames Tideway completes 9th and final central London shaft

Ferrovial Agroman and Laing O’Rourke joint venture has just completed excavation of the ninth and final shaft of the central section of the super sewer project... More Information

Major milestone reached on world's longest immersed tunnel

Fugro delivered the ground investigation for Femern Link Contractors, a consortium formed by Vinci Construction Grands Projets, Per Aarsleff, Wayss ... More Information

Bob Bell

For his long and distinguished career in tunnelling, dedication to the BTS and commitment to developing young tunnel engineers... More Information

World's first major ship tunnel project to take bids soon

The tunnel, originally announced in 2017, will bore through just over a mile of the peninsula at its narrowest, southern end and allow ships to avoid the ... More Information

Simultaneous pipejacking innovation to fast track London heat and power scheme

Two Iseki 1200 tunnel boring machines (TBMs) named after two deities – the Norse goddess Freya and the Greek goddess Artemis – will complete ... More Information

Bids in for major Bulgarian road contract

The scope of work in the project includes the construction of a 10.5km highway, plus five tunnels with a combined length of 4km. The longest of these ... More Information

WSP USA Projects Win Nine 2020 ACEC Engineering Excellence Awards

The American Council of Engineering Companies (ACEC) recognized nine WSP USA projects for Engineering Excellence.. More Information

HCMC river tunnel to get $4.1-mln automatic firefighting system

Vehicles travel through the Saigon River Tunnel that links District 1 and Thu Duc City, 2020. Photo by VnExpress/Thanh Nguyen... More Information

A message from the ATS2020+1 Organising Committee

The Australasian Tunnelling Conference (ATS2020+1), our premier industry event, will be held in Melbourne on the 10th – 13th May 2021 at the Melbourne Convention & Exhibition Centre ... More Information

Trackers let people see where machines are beneath Brisbane River

Tracking devices have been clamped on two 165-metre long boring machines digging the first rail tunnels beneath the Brisbane River. The two giant ... More Information

Tunnel construction as a climate-friendly source of energy

Tunnel construction as a climate-friendly source of energy. The Brenner Base Tunnel will relieve transit traffic between Italy and Austria and, incidentally, ... More Information

20 TBMS to Work on Paris Metro Expansion

More than 20 tunnel boring machines have been put to work to date to build lines 15, 16, 17 and 18 as part of a Grand Paris Express metro expansion ... More Information

Civil Contract Awarded for Cross Island Line Phase 1 in Singapore

For the first time, LTA will use a large-diameter tunnel boring machine to construct a single tunnel with two tracks in it. CRL1 is slated to commence ... More Information

Normet upgrades its TBM soil conditioner for maximum efficiency

True to its dedication to strive for innovation and sustainability, Normet has continued to develop and optimise its Tunnel Boring Machine (TBM) ... More Information

Sydney Metro West Receives Two Major Planning Approvals

... two major planning approvals in readiness for the tunnel boring machines to start ... The first tunnelling contracts are likely to be issued in mid-2021. More Information

TUNNEL VISION: Episode 2 - Trailer

Watch the trailer for episode 2 of Tideway’s brand new web series - Tunnel Vision... More Information

Western Harbour Tunnel and Warringah Freeway Upgrade

Western Harbour Tunnel and Warringah Freeway Upgrade site... More Information

HS2 sets construction start date to take line north

HS2 Ltd has set a construction start date of Spring 2024 for Phase 2a of the project. The target date for the start of earthworks is revealed in board minutes from December but just ... More Information

University of Warwick: Warwick students qualify into finals of Elon Musk's tunnelling competition

They will build their tunnelling machine and test it against competitors to get top spot.Caption: A render of the Warwick Boring Team's tunnelling device ... More Information

M4-M5 Link Tunnels project

The M4-M5 Link Tunnels is the first stage of the M4-M5 Link which is being delivered in two stages... More Information

Yokohama Circular Northwest Line

The Yokohama Loop Northwest Route is a 7.1km-long motorway that connects the Tomei Expressway and the Daisan Keihin Road... More Information

TUNNEL VISION: Episode 1 – Cleaning up the Thames in Blackfriars, London

Tunnel Vision is a new web series from Tideway that will take a closer-then-ever look at the two dozen construction sites that make up the project, its amazing engineering and the people ... More Information

Consortia shortlisted for NSW tunnelling works

The NSW Government expects the first of four large tunnel boring machines (TBMs) to be in the ground by mid-2023. For more information visit the ... More Information

First Tunnel of Narlıdere Metro Line

Uninterrupted connection was provided in the first tunnel of the Fahrettin Altay-Narlıdere metro line, which is under construction by the Izmir Metropolitan Municipality... More Information

Irish Sea crossing | Two past ICE presidents to officially assess feasibility of link

Two former ICE presidents have been brought in to carry out an official feasibility study of a possible Irish Sea crossing... More Information

London Underground upgrades to Northern line and Bank station gather pace

Upgrades on the London Underground continue to gather pace, with work progressing on the capacity upgrade at Bank station and the Northern Line Extension programme... More Information

Granite Awarded $267 Million Tunnel Project in Ohio

... LOT main tunnel will consist of approximately 17,000 feet of 144-inch hand-mined diameter tunnel and will be mined with a tunnel boring machine ... More Information