Half century of expertise
Our longstanding experience with all phases of tunnel and infrastructure construction ensures that the design meets the needs of the individual project. Over the past half century, we have developed a particular in-house knowledge that has earned us an international reputation as a world leader when it comes to tunnelling.
Full-service consultancyBuilding underground is a complex and detailed process that normally requires affiliated services such as ventilation, risk management and service life design. But since tunnels seldom stand alone, COWI can also deliver integrated rail, road, bridge and marine engineering services.