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Featured News

DC Water's Potomac River Tunnel Project to begin controlled underground blasting

  DC Water's Potomac River Tunnel Project is to begin controlled underground blasting as part of the excavation work for DC Water’s Potomac River Tunnel Project. Weekly ... More Information

Philippines Achieves Major Breakthrough in Davao City Bypass Project

Philippines Achieves Major Breakthrough in Davao City Bypass Project

On Monday, April 28, 2025, a breakthrough ceremony was held at the North Portal in Barangay Waan, Davao City, marking a significant milestone in the Davao City Bypass Construction Project (DCBCP). ... More Information

Tunnelbuilder is a media partner for the WTC 2025!

Tunnelbuilder is a media partner for the WTC 2025!

We're excited to announce that Tunnelbuilder Ltd is a Media Partner for WTC2025! Tunnelbuilder.com along with sister site tunnelbuilder.it has been delivering daily tunnelling news, bids, awards, ... More Information

New milestone in the excavation of the first tunnel of the Norrbothnia/North Bothnia Line

The construction of the 1.6km Ersmark tunnel, the first tunnel of the Norrbothnia/North Bothnia Line, is progressing according to plan and the construction between Fäboberget and ... More Information

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Latest Tenders

Canada, Ontario

ca/30
Metro

Two of the three teams shortlisted through a Request for Qualification (RFQ) process - ...
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Denmark, Copenhagen

dk/29
Metro

Metroselskabet (Copenhagen Metro) is inviting potential contractors to participate in a ...
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Austria, Tyrol & Vorarlberg

at/86
Motorway

Closing Date: 08/05/2025

Open invitation to tender, deadline 08/05/2025, for the reinforcement works on 140 m of ...
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Germany, Hamburg

de/70
Light Rail

Closing Date: 09/05/2025

Competitive procedure with negotiation, deadline 09/05/2025, for the design of the new ...
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Switzerland, Canton Valais

ch/138
Railway

Closing Date: 30/04/2025 (Tender Closed)

Additional information for the open invitation to tender, deadline 30/04/2025, for safety ...
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Germany, Berlin

de/147
Motorway

Closing Date: 13/05/2025

Open invitation to tender, deadline 13/05/2025, for the migration of the fire alarm system ...
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Norway, Oslo, Akershus & Buskerud counties

no/290
Road

Closing Date: 26/05/2025

Open invitation to tender, deadline 26/05/205, for the management and maintenance of ...
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France, Rhone - Alps

fr/11
High Speed Railway

Closing Date: 17/06/2025

Competitive procedure with negotiation, deadline 17/06/2025, for project management ...
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France, Rhone - Alps

fr/11
High Speed Railway

Closing Date: 19/06/2025

Competitive procedure with negotiation, deadline 19/06/2025, for operational management ...
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Spain, Andalusia

es/132
High Speed Railway

Closing Date: 16/06/2025

Open invitation to tender, deadline 16/06/2025, for the construction of the 7.9km ...
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Brazil, Santos

br/25
Port Road

Closing Date: 28/07/2025

International tender, deadline 28/07/2025, for the construction, operation, conservation, ...
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Brazil, Sao Paulo

br/28
Road

Closing Date: 28/07/2025

International tender, deadline 28/07/2025, for the construction, operation, conservation, ...
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Latest Awards

Germany, Munich

de/48
Metro

IB Schiessl Gehlen Sodeikat GmbH from Munich, IGS INGENIEURE GmbH & Co. KG from ...
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Finland, Helsinki-Uusimaa

fi/33
Railway

Elimaen Huoltopalvelu Ky from Elimaki secured the EUR 1.08 million contract for ...
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Switzerland, Gotthard

ch/50
Highway

DE - Nexans Suisse SA from Cortaillod secured the EUR 53.13 million (CHF49.91 million) ...
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Czech Republic, Prague

cz/12
Metro

Prazskz silnicni stavby (leader) and Elmoz Czech (subcontractor) secured the EUR 525,546 ...
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Romania, Bucharest

ro/13
Metro

Somet SA (leader) with Altimate SA, UTI Construction and facility management SA, Salcef ...
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Norway, Nordland

no/33
Highway

OneCo Infra AS from Oslo have secured the EUR28.02 million (NOK339,33 million) contract ...
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Norway, Vestland

no/194
Road

Bertelsen & Garpestad AS from Egersund secured the EUR 234.11 million (NOK2.82 bn) ...
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Austria, Tauern

at/43
Railway

The consortium EMR Ingenieurbüro für Elektrotechnik and TEPB GmbH from St.Veit ...
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Switzerland, Cantons Fribourg & Neuchatel

ch/72
Road

FR Kummler+Matter EVT SA from Le Mont-sur-Lausanne secured the EUR 1.20 million (CHF1.14 ...
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Germany, Munich

de/55
Railway

The tunnel Ostbahnhof joint venture, consisting in Implenia (50%) and Hochtief (50%) ...
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Austria, Lower Austria & Styria

at/24
Semmering – Railway

The consortium PORR Bau GmbH/Rhomberg Sersa Bahntechnik GmbH from Vienna secured the EUR ...
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France, Rhone - Alps

fr/56
Highway

Spie Batignolles Genie Civil from Nanterre have secured the EUR 949,643.10 contract, ...
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Tunnelling News

Lahore to transform with Rs49 billion tunnel boring project

Pakistan, April 27 -- The federal government has approved Lahore's Rs49 billion Tunnel Boring Project, marking a major development for the city... More Information

Construction at Cleveland Hopkins International Airport

The 2,100-foot-long tunnel connects the terminal to parking facilities and the tramway leading to the RTA public rail line. During the project, two of ... More Information

AFFHOLDER AND J.F. SHEA TEAM UP ON $700 MILLION CONTRACT

The tunneling subsidiary, Affholder LLC, will lead a joint venture with J.F. Shea Construction, Inc., to build the I-35 Capital Express Central ... More Information

Factory Testing Complete on DC Water's first tunnel boring machine for the Potomac River

Mary passed all the necessary requirements and is one of two TBM's on the project. The tunnel is part of DC Water's Clean Rivers Project, to ... More Information

Work on Chennai Metro tunnel racing to a finish

The machine Flamingo, which started boring in 2023 for the tunnel linking Light House with Thirumayilai, is expected to reach the other end in ... More Information

CPK awards contract to build high-speed rail tunnel in Lodz, Poland

The tunnel, to be constructed using a tunnel boring machine (TBM), will have a ... More Information

Inside HS2: Meet London's miners working on the Northolt tunnels

We are on a tunnel boring machine (TBM) inside High Speed Two's huge Northolt tunnels. These tunnel boring machines are part of a tunnelling ... More Information

Ontario Begins Construction Of Last Tunnel Segment Of The Eglinton Crosstown West Extension

The remaining eastern portion of tunnel construction (500-meter twin tunnels) will use the sequential excavation method, with daily progress of ... More Information

Norway is building the world's longest and deepest subsea road beneath its fjords

We have subsea road tunnels which have that construction. And the new tunnel between Germany and Denmark, there they are laying down cases and put ... More Information

CERN releases report on the feasibility of a possible Future Circular Collider

The estimated cost of construction of the FCC electron–positron stage, including the tunnel and all the infrastructure, is 15 billion Swiss francs... More Information

TBM break through on Auckland's £915M wastewater megaproject completes 16.2km tunnel

Auckland's major wastewater infrastructure project, the Central Interceptor, has reached a significant milestone with the final breakthrough of ... More Information

In pics: construction site of Chongming-Taicang tunnel

A smart assembling vehicle works at "Linghang" large diameter shield tunneling machine at the construction site of the Chongming-Taicang tunnel, part of the Shanghai-Chongqing-Chengdu ... More Information

IN PICTURES: Spectacular images of the removal of HS2's huge tunnelling machine

TBM Sushila was used to construct part of the Northolt Tunnel – an 8.4-mile tunnel ... construction/london-tunnels/progress-3/northolt-tunnel/tbm- ... More Information

Historic tunnels uncovered beneath Salisbury station during £5.3M upgrade project

Engineers from Network Rail and South Western Railway have uncovered a network of tunnels and rooms beneath Salisbury station during ongoing £5.3M upgrades to the station’s forecourt... More Information

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels. The new road will pass through Georgia along a trade route ... More Information

Buca Metro Tunnel Excavations Reached 50 Percent Level

Important progress is being made in the construction of the line, where four tunnel boring machines (TBMs), each 100 meters long, 7 meters wide and ... More Information

'Very promising' narrow-reef boring technology nearing rollout stage

A novel tunnel boring machine (TBM) will open up Bokoni's narrow tabular dipping PGM orebody to allow narrow-reef boring to take place, so that ... More Information

A vast undersea tunnel is being built

The 7.4 billion-euro ($7.7 billion) project is a huge undertaking, in every sense. Each section of the tunnel is colossal. These concrete structures ... More Information

National Grid gets planning permission for Grain to Tilbury upgrade with new Thames tunnel

National Grid has secured full planning approval for the Grain to Tilbury project, which includes a new power tunnel under the River Thames... More Information

Right track tunnel of Huangjialing Tunnel in NW China's Gansu drilled through

A staff member works on the construction site of the right track tunnel of the Huangjialing Tunnel in Linxia Hui Autonomous Prefecture, northwest ... More Information

Shetland Islands tunnels plan takes 'huge step forward' with sonar investigations

This phase will further inform the project's development and feasibility. The tunnel project, seen by locals as pivotal for improving ... More Information

Construction of the Tarande tunnel begins next week

On March 17th, in Vilnius district Construction of a tunnel and other related infrastructure will begin at Taranda and Bukiškis. This project aims ... More Information

Delhi Metro's Golden Line achieves major tunnel breakthrough;

The construction of Delhi Metro's Golden Line achieved a major milestone on Thursday as the Tunnel Boring Machine (TBM) broke through at the ... More Information

RiverRenew Tunnel Project Nearing Completion

The RiverRenew Tunnel System Project, the largest infrastructure investment in Alexandria's history, is nearing completion. More Information

Sydney Metro West tunnels enter final stretch after big breakthrough

Two tunnel boring machines (TBMs) constructing the huge Sydney Metro West tunnels have made a smashing entrance 24 metres below the surface. More Information

Chennai Metro Rail launches first tunnel boring machine for underground tunnelling in Kolathur

Corridor 5 begins at Madhavaram Milk Colony and connects through Koyambedu, Porur, Alandur and other residential/commercial areas of the city to ... More Information

Element Six, Master Drilling Announce Tunnel Development Partnership

Element Six and Master Drilling will deliver a diamond-enabled solution designed to increase tunneling development speed, reducing costs and minimize the environmental impact of tunnel ... More Information

Gateway Project Tunnel Connecting NY and NJ Moves Forward

Five Gateway contracts have been awarded so far, including one on Predergast's first day for construction on the Manhattan side of the tunnel... More Information

HSR Xi'an – Yan'an: Completion of All Tunnels in the Project

The HSR Xi'an – Yan'an has completed the excavation of all tunnels, including the Tongchuan Tunnel. This is a key milestone in the construction ... More Information

Brazil's US$1bn underwater tunnel project making waves among potential bidders

The first underwater road tunnel project in Brazil is attracting interest from multiple potential bidders, an official familiar with the matter ... More Information

Element Six and Master Drilling Announce Strategic Partnership for Advanced Tunnel

Achieving high quality, nonexplosive tunnel construction with various aspects of value generated compared to traditional rock excavation methods is a ... More Information

Tutor Perini Wins a $1.2 Billion NYC Contract

A joint venture of Sylmar-based civil construction firm Tutor Perini Corp. and its subsidiary Frontier-Kemper Constructors has won a $1.18 billion contract to construct a pair of rail ... More Information

Milestone reached for $1.6b Auckland wastewater tunne

Watercare's Central Interceptor project has passed an historic milestone with the southern half of the 16.2 kilometre tunnel – Blockhouse Bay ... More Information

Elon Musk's 'Wormhole' Tunnel Promises To Carry 20,000 People Per Hour In Dubai

It’s been more than eight years since Elon Musk decided he was fed up with traffic and declared he’d start digging tunnels to revolutionize public transport across the United States. So ... More Information

First tender for Dubai’s $22bn tunnels due within days

Dubai Municipality is expected to tender the first two packages of the $22bn Dubai Strategic Sewerage Tunnels (DSST) project imminently... More Information

London's Thames Tideway Tunnel now fully connected

After 10 years of construction work, the last of the 21 connections of the Thames Tideway Tunnel was made to the city's Victorian sewage system. More Information

Silvertown Tunnel

Silvertown Tunnel is the Transport for London project looking to forge a brand-new connection between Silvertown and the Greenwich Peninsula... More Information

Dubai Loop: Elon Musk to Build Huge Underground Road Network

Musk's The Boring Company, which is responsible for building a similar project in Las Vegas, aims to create 17 kilometers of tunnel capable of ... More Information

Wisconsin approves $4.5m tunnel lighting project

Wisconsin Governor Tony Evers has approved a $4.5m lighting systems upgrade project in various tunnels in Milwaukee County, Wisconsin. More Information

May 9 - 15, 2025

World Tunnel Congress - WTC 2025

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June 8 - 11, 2025

RETC 2025

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June 12

Swiss Tunnel Day 2025

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June 15 - 18, 2025

UITP 2025

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June 16 - 20, 2025

Eurock 2025

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September 17 - 18, 2025

Safety Expo 2024

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September 17 - 19, 2025

Rem Tech Expo

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November 4 - 7, 2025

ACUUS 2025

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November 5 - 6, 2025

Eurasia Water Expo

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November 10 - 14, 2025

Australasian Tunnelling Conference

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November 24 - 27, 2025

BAUMA CHINA

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November 25 - 27, 2025

STUVA

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