Choose site
- Global
- Danmark
- Iceland
- Lithuania
- Norway
- Sweden
Solutions
Solutions

We create value for customers, people and society. Read about COWI's projects and solutions that move the world in the right direction.
Read more
- Architecture
- Infrastructure
- Buildings
- Environment
- Water
- Energy
- Industry
- Planning
I am looking for

anything

Select all

Careers Courses Events Insights News Press release Solutions No results

within

all areas

Select all

About Airports Announcements Architecture Area and property development Bättre tillsammans Biodiversity Biomass and waste to energy Bridges Buildings Carbon capture utilisation & storage (CCUS) Climate change Coastal protection Commercial buildings Contaminated sites Cultural and educational buildings Data centres Dewatering and geophysics Digitalisation and technology District heating and cooling Domiciles Drainage Economics and management Educational projects Energy Environment Environment, health and safety Environmental due diligence Environmental impact assessment ESG services EU Taxonomy Fire safety Flooding Food industry Forest industry GIS and IT Green Action Green Hour Green Minute Green transition Hospitals Housing Industrial buildings Industry Infrastructure Ingenørd Integrated design Land Administration LCA Light rails Manufacturing industry Mapping and geo services Metros Nature New bio energy solutions Planning Ports and marine structures Green Hydrogen & Green Fuels Process industry Project complexity Project management consultancy Railways Residential buildings Risk Analysis Roads and Highways Solar energy Stormwater Strategic environmental consultancy Sustainability Sustainable urban development Traffic and transportation planning Transport hubs Tunnels Urban Design Urbanisation Waste and resources Wastewater treatment Water Water and natural resources management Water supply Wind energy No results

in

all countries

Select all

Africa Asia Belgium Canada China Denmark Egypt Finland France Germany Greenland Hong Kong Iceland India Indonesia Iraq Kenya Korea Lithuania Monaco Mozambique North America Norway Pakistan Philippines Qatar Saudi Arabia Singapore Spain Sweden Switzerland Tanzania Turkey Uganda United Arab Emirates United Kingdom United States Vietnam Zambia No results
Insights
Careers
Careers

At COWI, we believe well-being promotes performance, and performance promotes well-being. We foster a good balance between work, family and free time. Extend your potential and develop your career in COWI.
Read more
About
About

Get to know us.
Read more

Choose site

Global Danmark Iceland Lithuania Norway Sweden
Search

Tunnels

We have been involved in the construction of all manner of tunnels around the world, and in all types of soil.

Our services cover the entire lifecycle of a tunnel, from feasibility studies to the operational phase and finally refurbishment.

Browse solutions, news and insights within tunnels.

I am looking for

anything

Select all

Careers Courses Events Insights News Press release Solutions No results

within

all areas

Select all

About Airports Announcements Architecture Area and property development Bättre tillsammans Biodiversity Biomass and waste to energy Bridges Buildings Carbon capture utilisation & storage (CCUS) Climate change Coastal protection Commercial buildings Contaminated sites Cultural and educational buildings Data centres Dewatering and geophysics Digitalisation and technology District heating and cooling Domiciles Drainage Economics and management Educational projects Energy Environment Environment, health and safety Environmental due diligence Environmental impact assessment ESG services EU Taxonomy Fire safety Flooding Food industry Forest industry GIS and IT Green Action Green Hour Green Minute Green transition Hospitals Housing Industrial buildings Industry Infrastructure Ingenørd Integrated design Land Administration LCA Light rails Manufacturing industry Mapping and geo services Metros Nature New bio energy solutions Planning Ports and marine structures Green Hydrogen & Green Fuels Process industry Project complexity Project management consultancy Railways Residential buildings Risk Analysis Roads and Highways Solar energy Stormwater Strategic environmental consultancy Sustainability Sustainable urban development Traffic and transportation planning Transport hubs Tunnels Urban Design Urbanisation Waste and resources Wastewater treatment Water Water and natural resources management Water supply Wind energy No results

in

all countries

Select all

Africa Asia Belgium Canada China Denmark Egypt Finland France Germany Greenland Hong Kong Iceland India Indonesia Iraq Kenya Korea Lithuania Monaco Mozambique North America Norway Pakistan Philippines Qatar Saudi Arabia Singapore Spain Sweden Switzerland Tanzania Turkey Uganda United Arab Emirates United Kingdom United States Vietnam Zambia No results

Refine results

COWI in the UK named Consulting Firm of the Year at Ground Engineering Awards

Tunnels Insights

To understand the future of tunnels we must look to the past

Tunnels Press release

New 8-lane tunnel to relieve traffic bottlenecks

Tunnels Solutions

Pioneering tunnel to future proof Metro Vancouver's transport links

Tunnels Solutions

Improved sustainability for sewage and stormwater tunnels

Tunnels Solutions

Amtrak Hudson and East River tunnels, USA

Tunnels Solutions

Safe and efficient toll-free crossing for commuters and goods

Tunnels Press release

Chelsea Embankment Foreshore Connection Culvert

Tunnels Press release

COWI to combine digital inspection techniques to innovate Network Rail tunnel examinations

The Marieholm Tunnel boosts passability significantly

Tunnels Solutions

Shaping the design of Singapore’s used water superhighway

Tunnels Solutions

Northern Europe's largest construction project

An inside look at the world’s third largest bored tunnel

Tunnels Press release

COWI Technical Director appointed chair of Pipe Jacking Association

Tunnels Insights

Engineering sustainable and durable concrete to reduce our carbon footprint

Tunnels Solutions

Battersea Cable Tunnel, London

Tunnels Press release

Nine Elms South Bank Cable Tunnel named Best Infrastructure Project in London by ICE

COWI wins Singapore super sewer design contract

Load more

Solutions

Architecture
Infrastructure
Buildings
Environment
Water
Energy
Industry
Planning

Insights

Climate change
Digitalisation and technology
Project complexity
Sustainability
Urbanisation

Careers

Open vacancies
Register your interest
Meet our employees
Early careers
Diversity and inclusion
Donor-funded project opportunities
Contact us

About

Contacts and local info
News and press
Organisation, ownership and investor relations
Our strategy FUTURE-NOW
Our story
Corporate governance
Sustainability
CSR and compliance
Values and vision
Annual reports

COWI A/S
Parallelvej 2
2800 Kongens Lyngby
Denmark

E-mail: cowi@cowi.com
Tel: +45 56 40 00 00

Company Reg. no.: 44 62 35 28

Disclaimer
Cookie Notice
Privacy Notice
Suppliers

Together with customers, partners and colleagues, we shape a future where people and societies grow and flourish. We do that by co-creating sustainable and beautiful solutions that improve the quality of life for people today and many generations ahead.