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COWI is an international specialist in railway engineering. Our highly professional staff are committed to developing efficient and innovative solutions within multidisciplinary railway and infrastructure projects.


COWI has extensive knowledge of many railway disciplines such as:

  • permanent way
  • signalling systems incl. ERTMS
  • operational rules incl. traffic
  • power supply 
  • catenary systems 
  • telecommunication 
  • infrastructure for all civil works disciplines 
  • rolling stock 
  • safety management incl. CSM
  • project management services

Our services cover the whole project life cycle from feasibility study through preliminary and final design, supervision, operation and maintenance.

Through a number of major rail projects we have proven that we have the ability to combine technical disciplines with management disciplines. This is a prerequisite for completing projects successfully.

Railway Specialists

Due to the wide range of services provided by COWI, our consultants have extensive experience in undertaking complex multi-disciplinary railway and infrastructure projects with an emphasis on combining expertise and efficient technologies.

Our staff are used to working together on multidisciplinary assignments across diverse professional areas and across borders and cultures.


Traditionally, we work for public railway infrastructure owners, national railway authorities as well as international donor organisations. However, the number of customers with a background as private railway organisations, railway operators and especially contractors and suppliers is increasing.

More and more projects are tendered as design/build or Public Private Partnership (PPP) projects. We have a thorough knowledge of working with contractors and suppliers through projects such as the Signalling Programme (ERTMS) in Denmark, the Lund-Arlöv rail section in Sweden, rail projects in Africa and several sections on the new Copenhagen – Ringsted railway line and the Ringsted Femern railwayline in Denmark.

LAST UPDATED: 19.07.2017