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Guidance systems news from PPS

Guidance systems news from PPS

At Poltinger Precision Systems we strive every day to improve both ourselves, and our products. To suit our customers’ needs, and to implement their ideas for an even better PPS Guidance ... More Information

Val di Sambro holing

Val di Sambro holing

On 08.11.2014 breakthrough was achieved on the 3.9 km-long Val di Sambro tunnel on A1, between Firenze and Bologna. The contract was awarded to the JV Vianini Lavori/Toto/Profacta. Click it/21 ... More Information

Milan M4 metro update

On 11.11.2014 the final breakthrough in the first tunnel of Milan's M4 metro occurred at the Forlanini FS site. Excavations began last April, and to date 65 percent of the contract for the ... More Information

Meyco Versa launch

Atlas Copco has introduced its Meyco Versa mobile shotcreting unit suited to mid-size tunnels. Read the press release and contact michael.seitz@ch.atlascopco.com. 46/14 More Information

TBM turnaround at Waterview

TBM turnaround at Waterview

On 29.09.2014 the TBM Alice completed the southbound tube of the 2.4 km Waterview tunnels from Owairaka to Waterview. The tunnels will connect Auckland's Southwestern and Northwestern motorways. At ... More Information

Acimex segment handling at Riyadh metro

French manufacturer Acimex supplies vacuum devices for the handling of precast concrete segments in tunnels. Acimex vacuum erector and segment trolley will be used in the 10.16 m-diameter EPB ... More Information

Crossrail progress

Crossrail progress

On 20.10.2014 TBM Ellie finished her journey at Victoria Dock Portal in east London, completing the 900 m drive from Limmo Peninsula, near Canning Town, to Victoria Dock Portal in just six weeks, at ... More Information

Grand St Bernard safety tunnel

Grand St Bernard safety tunnel

On 20.10.2014 construction of Grand St Bernard safety tunnel (GSS) restarted, following agreement with the old contractor JV Condotte that only 11 of 23 cross passages originally intended will be ... More Information

Terratec milestones in Delhi

Terratec milestones in Delhi

Eight Terratec 6.52 m-diameter EPBs are at work on Delhi Metro Phase 3. During the last two months, four significant breakthroughs have been recorded, and another 14 will be accomplished during the ... More Information

Gotthard track installed

Gotthard track installed

On 31.10.2014, installation of the non-ballasted track was completed in the Gotthard Base Tunnel. General contractor Transtec Gotthard, at a distance of around 54 m from the south portal, cast the ... More Information

tunnelbuilder team at China Bauma

Shanghai is a long way to go for a show, and Werner is the lucky member of tunnelbuilder team to make the journey. China Bauma runs from November 25-28, and Werner will be most pleased to meet old ... More Information

Robbins Webinar

Robbins Webinar

The link for the upcoming Robbins Webinar on 18th November dealing with On-site First Time Assembly has changed to http://bit.ly/RobbinsOFTAWebinar. Questions for the discussion should be addressed ... More Information

Frejus safety tunnel progress

Frejus safety tunnel progress

On 17.11.2014, TBM Anna will break through after 300 days of work on the Frejus safety tunnel, completing construction. Mechanized excavation of Lot 2 started at the Italian end on 01.07.2013, ... More Information

Forrestfield Airport Link

The Forrestfield Line will integrate with the existing rail network in Perth, Australia and deliver an 8.5 km-long rail extension from the Midland Line east of Bayswater to Forrestfield via Perth Airport; three new stations, Airport West and Forrestfield and Consolidated Airport; and expanded and new bus feeder services. More Information

Isarco River Underpass

Consortium Salini Impregilo/Strabag has agreed with client BBT SE to start construction of the EUR300 million Isarco River Underpass, part of the southern lot of the Brenner Base Tunnel located in ... More Information

Third Robbins webinar schedule

The Robbins Company president Lok Home is hosting the company’s third webinar in mid-November, entitled Insight on Onsite Assembly: Why OFTA is Revolutionizing TBM Tunnelling. In ... More Information

Setronic ARGO at Expotunnel

Setronic Verona Srl is an ISO 9001:2008 certified company, specialized in design, manufacture and after sales service for optical beam smoke and fire detectors, opacity analyzer, calibrating and ... More Information

WTC2015 submission extended

By popular request, the deadline for abstract submissions for WTC2015 in Croatia has been extended to 01.11.2014. To date, more than 500 abstracts for WTC 2015 have been received, showing a strong ... More Information

Normet training simulators

Normet training simulators

For several years Normet Academy has used simulators as the vital part of service in hydraulic and automation, concrete spraying and scaling training programs for mining and tunnelling operators. ... More Information

Papers for Arabian Tunnelling Conference

For the second edition of the Arabian Tunnelling Conference in Abu Dhabi deadline to submit an abstract is 15 October 2014. The conference theme will be: Sustainable Tunnelling in GCC ... More Information

Ritchie Bros. breaks site records in Caorso, Italy

Ritchie Bros. breaks site records in Caorso, Italy

Ritchie Bros. Auctioneers, the world’s largest industrial auctioneer, held a record-breaking multi-million Euro auction at its site in Caorso, Italy on 02.10.2014. More than 1,360 ... 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

Thimphu-Wangdue feasibility

The Thimphu-Wangdue road is classified as the primary national highway in Bhutan. Except for an undefined weak zone near the portal at Nabisa, the 10.5 km-long road tunnel road Yusipang in Thimphu ... More Information

Breakthrough in Bhutan

Excavation of the headrace tunnel from adit 1 to the de-silting chamber has been completed at Punatshangchhu-II HEP in Bhutan. The de-silting chamber helps clean up the raw water between intake and ... More Information

Invitation to Expotunnel

Invitation to Expotunnel

Expotunnel will be in Bologna, Italy from 23 to 25 October 2014, where tunnelbuilder team welcomes you to our stand D2-E1 in Hall 19. Fill out the registration form and you'll receive by email ... More Information

Caltanissetta in Sicily.

Caltanissetta in Sicily.

By 28.09.2014 EPB TBM Barbara (diameter 15.08 m, length 115 m) owned by consortium Empedocle 2, comprising CMC (leader), Tecnis and CCC, reached the 1 km mark driving the Caltanissetta tunnel on SS ... More Information

Bjornabakkane start

Bjornabakkane start

Metrostav and Havnen Anlegg have started drill/blast construction of the 1,565 m-long Bjornabakkane tunnel in Central Norway. The tunnel, commissioned by Statens vegvesen, will provide avalanche ... More Information

Northgate Link Extension update

Northgate Link Extension update

Northgate Link Extension will connect the Northgate, Roosevelt and U District neighborhoods to downtown Seattle, US and the airport. A second TBM is beginning its 5.79 km journey from the Maple ... More Information

Robbins TBM in Queensland coalmine

Robbins TBM in Queensland coalmine

In August, 2014 major progress was made at a coalmine in Queensland, Australia when a specialized Robbins Dual Mode EPB/Rock TBM was successfully rolled out after completing the first of two access ... More Information

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

Tunnelling News

The incredible £2.8bn underwater tunnel connecting Europe and Asia

A huge new tunnel will connect Europe and Asia - and construction has already started. The Great Istanbul Tunnel is a major project. It will carry ... More Information

China develops "smart brain" for tunnel boring machines to boost underground construction

A team from Hunan University in central China has collaboratively developed an intelligent operating system for tunnel boring machines, giving these massive underground giants a "smart ... More Information

How China rescued highway project under Yangtze River

The incident occurred in February 2023 during construction of the 6.4-kilometer Jiangyin–Jingjiang Yangtze River Tunnel. Midway through excavation, at ... More Information

HS2 final tunnel drive to Euston starts next week

A team from SCS will drive a 4.5-mile twin-bore tunnel linking Old Oak Common to Euston using two tunnel boring machines, Karen and Madeleine. More Information

Work begins on £48M Knutsford sewer upgrade featuring 1.8km stormwater tunnel

Sean Reid, United Utilities county business lead for wastewater in Cheshire said: “This project highlights our ongoing commitment to improving water ... More Information

$14.6M boost moves Gering–Fort Laramie Canal Tunnel project forward

After nearly six years of planning, construction is moving forward on the Gering–Fort Laramie Canal tunnels... More Information

Webuild: second breakthrough at Trebisacce Tunnel along Jonica State Road 106

Project will help transform Jonica State Road 106 into a strategic corridor linking Ionian coasts of Calabria, Basilicata and Puglia... More Information

Ground preparation for Lower Thames Crossing tunnelling

Work is ongoing to overcome sub-optimal ground conditions in preparation for the start of tunnelling on the Lower Thames Crossing in late 2028, according to the project’s tunnels director... More Information

LA Metro approves massive $25B underground rail line to bypass 405 Freeway

The LA Metro Board unanimously approved an underground heavy rail line to connect the San Fernando Valley and the Westside, bypassing the congested 405 Freeway. The nearly 13-mile route, ... More Information

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