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

First Train Enters Cross River Rail Tunnel for Critical Testing

On October 18, 2024, a significant milestone was reached for the Cross River Rail project as a test train entered one of the project’s twin tunnels and arrived at a new underground station ... More Information

Cross River Rail Project - January/February updates

Cross River Rail Project  - January/February updates

Teams have now completed Woolloongabba - Albert Street and Boggo Road - Woolloongabba sections in both directions, Roma Street to the Northern Portal 1.2 km in the upline and 750 m in the ... More Information

Cross River Rail Project  - January/February updates 

Teams have now completed Woolloongabba - Albert Street and Boggo Road - Woolloongabba sections in both directions, Roma Street to the Northern Portal 1.2 km in the upline and 750 m in the ... More Information

Cross River Rail Project - July Updates

Brisbane’s new underground making tracks - Rail tracks installation in the Brisbane's Cross River Rail’s twin tunnels commenced from just south of the future Albert Street station, and ... More Information

Cross River Rail Project – June Updates

Cross River Rail Project – June Updates

The final delivery of railway tracks arrived at the Northern Tunnel Portal site in May 2022. In total, 9,570 m of railway tracks have been delivered to site and will be installed in the northern ... More Information

Cross River Rail - Northern Tunnel Portal construction update

The TBMs - used for excavating the Cross River Rail’s tunnel in Brisbane - have now been taken away from site, allowing the gantry crane to be removed as well: click here for the video. ... More Information

Cross River Rail - Northern Tunnel Portal construction update

Cross River Rail - Northern Tunnel Portal construction update

Excavation, portal structure construction and TBM removal continues in March at the Northern Tunnel Portal site and is on track for completion in mid-2022.  Once the team reaches the required ... More Information

Cross River Rail – Last breakthrough for the project

Cross River Rail – Last breakthrough for the project

Today TBM Merle broke through at the Northern Portal site, bringing the Cross River Rail project’s year of tunnelling to an end, click here for the video. The Cross River Rail's twin tunnels ... More Information

PRESS RELEASE - First of Cross River Rail’s twin tunnels complete

The first of Cross River Rail’s Tunnel Boring Machines has seen the daylight, for the first time in ten months.  The mega project is one of many being delivered by the Palaszczuk ... More Information

Cross River Rail Roadheaders break through ahead of schedule

Two 115-tonne roadheaders recently broke through into the cavern of the future Boggo Road station two months ahead of schedule, marking yet another significant milestone for the transformational ... More Information

Cross River Rail - Works Notice

Northern Tunnel Portal construction update - Excavation of a TBM extraction box is underway.  The extraction box will be used to remove the two TBMs Merle and Else when they arrive in ... More Information

Cross River Rail – Second breakthrough at Roma Street

Cross River Rail – Second breakthrough at Roma Street

On 23/08/2021 Merle, the second Cross River Rail’s 1350 t TBM, broke through into the 280-m-long cavern at Roma Street, joining TBM Else, the project’s other machine in the future ... More Information

Cross River Rail breaks through at Roma Street

On the 06/08/2021 TBM Else (1350 t and 165 m long), the first of Cross River Rail’s two massive TBMs, which had launched from the Woolloongabba site in early 2021 has broken through a ... More Information

Cross River Rail Construction updates

Cross River Rail Construction updates

Roma Street station -  The two Cross River Rail TBMs have left Albert Street station in Brisbane’s CBD,  where they both arrived between June and July  At the beginning of ... More Information

Cross River Rail Project – request for project change April 2021

  Queensland's Coordinator-General seeks your views deadline 04/06/2021, on the eleventh proposed change to the Cross River Rail project, including the effectiveness of the ... More Information

Cross River Rail updates

Cross River Rail updates

The 165 m long TBMs Else and Merle, both weighting 1350-t,  are excavating the Cross River Rail’s twin tunnels from the launch site at Woolloongabba north towards Albert Street beneath ... More Information

CrossRiverRail Webinar

An online webinar to hear first-hand from Cross River Rail’s experts about tunnelling works and how it may impact local residents and businesses.   Experts from the Cross River Rail ... More Information

Cross River Rail Updates

Cross River Rail Updates

Roadheaders start tunnelling towards Boggo Road - Two 115t roadheaders  have started to mine the remainder of the 870 m Cross River Rail twin tunnels between Woolloongabba and Boggo ... More Information

Cross River Rail begins tunnelling

Cross River Rail begins tunnelling

TBM Else - the first of Cross River Rail’s two 1350 t TBMs in Brisbane - has been moved into position underground in the Woolloongabba site’s station cavern to commence tunnelling on the ... More Information

Here’s to the Groundbreakers: Cross River Rail honours iconic Queensland women

Minister for Transport and Main Roads - The Honourable Mark Bailey. Cross River Rail’s twin massive Tunnel Boring Machines (TBMs) have been named after two groundbreaking Queensland ... More Information

Cross River Rail’s first mega machine ready to go

Cross River Rail’s first mega machine ready to go

The first of the two TBMs that will excavate the bulk of Cross River Rail’s 5.9km twin tunnels is passing factory acceptance testing, before being disassembled and transported by trucks to ... More Information

Cross River Rail Update

Work is progressing well, across Cross River Rail’s eight worksites in Brisbane. The project will help transform South East Queensland by unlocking the bottleneck at the core of ... More Information

Construction momentum building on Cross River Rail Project

Construction momentum building on Cross River Rail Project

Cross River Rail is boosting the Queensland Economy by $4.1 million per day, supporting a workforce of over 2,400 and providing work for more than 400 suppliers and subcontractor companies, 90% of ... More Information

TBMs arrive to dig Cross River Rail tunnels

At the beginning of August two TBMs (weight 1350 t and 165 m length)  arrived in Queensland, ready to be fitted out before being deployed to dig the Cross River Rail twin tunnels in early 2021. ... More Information

Cross River Rail underground blasting tests begin

Cross River Rail underground blasting tests begin

Cross River Rail in Brisbane (Australia) will test underground blasting at the site of the new Albert Street underground station and the new Woolloongabba station site, in a move to speed up ... More Information

Ghella wins Cross River Rail Tunnel, Stations and Development Package

Ghella, as part of the Pulse consortium, which is led by CIMIC Group, has reached contractual and financial close with the State of Queensland to deliver the Tunnel, Stations and Development (TSD) ... More Information

Major contractors appointed to build Cross River Rail

The Palaszczuk Government has announced the international consortia that have won the three major works packages for the Cross-River Rail Project in Brisbane. The Palaszczuk Government has ... More Information

Cross River Rail - Brisbane

Cross River Rail - Brisbane

Cross River Rail in Brisbane is the Queensland Government’s highest priority infrastructure project. It is required to support the region’s growing urban population. With the population ... More Information

Tunnelling News

Sarens helps extract TBM at BC water supply project

The Annacis Water Supply Tunnel Project aims to increase the reliability and capacity of the water supply system in New Westminster, British Columbia. When complete, the tunnel will ... More Information

Judge rules in favor of New York and New Jersey for now in $16B tunnel fight with Trump

A federal judge ruled Friday to temporarily block the Trump administration from suspending federal disbursements for the Gateway Tunnel Project... More Information

Webuild: award for Sustainability Report for commitment to decarbonise through innovation

This includes the large tunnel-boring machines deployed on some of Europe's most complex projects: from the Salerno-Reggio Calabria ... More Information

Clearwater update reports initial entry area is 'stable and intact'

The tunnel boring machine being used in the project remains trapped underground just ahead of where the breach occurred. The ambitious, $630 ... More Information

Tunnel Boring Machine Market Size estimated at USD 7.08 Billion

The Tunnel Boring Machine (TBM) market is experiencing significant growth, driven by increasing urbanization, infrastructure development, ... More Information

Completing the First Section of Line 3: Tunnel Boring Machine Roars as it Emerges at Balboa

The Panama tunnel boring machine emerged and completed its first major task: the first section of the Line 3 Metro tunnel. More Information

Twin tunnel-boring titans prepare to dig new road under Sydney Harbour

Twin tunnel-boring titans are preparing to launch under Sydney Harbour to dig out a new road crossing from Birchgrove to Waverton... More Information

Monica Breaks Ground on Snowy 2.0

Monica the tunnel boring machine, with the renewable energy mega-project now more. TBM Monica is among the world's most advanced tunnel boring machines... More Information

Snowy 2.0 sets new tunnel boring machine to work, completes 46 underground concrete pours

Snowy 2.0 has set to work a fourth tunnel boring machine, a $75 million piece of drilling equipment purpose built to complete excavation of the huge pumped hydro project’s “geologically ... More Information

World's 'largest' underground assembly of tunnelling machines happening beneath Sydney

Workers are craning into place about 167 major pieces that will form the first of two giant boring machines. Once assembled like giant Meccano sets, ... More Information

Tunneling Begins on Major Water Pipeline for South Hillsborough

TAMPA, Fla. — Tampa Bay Water has begun construction on a major underground pipeline project aimed at meeting rising water demand in southern Hillsborough County, where population growth ... More Information

The massive £3billion tunnel designed to connect two continents under the sea

The construction of a huge underwater multi-tiered tunnel is underway in Turkey, that will create a direct route from Asia to Europe - and is expected to carry 1.3 million passengers a ... More Information

Riederwald Tunnel in Frankfurt is further delayed

Traffic was supposed to start flowing through the controversial Riederwald Tunnel in Frankfurt in 2033. But that's unlikely to happen. The €1.5 billion project is facing further delays – ... More Information

What happens to our metro tunnel boring machines when they hit the end of the line?

These mechanical behemoths were Betty and Dorothy, the tunnel boring machines tasked with digging the Sydney Metro West tunnels. Loading. The ... More Information

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