COMSA has participated in the development of all high-speed lines in Spain since the construction of the first line in 1988. In total, it has built more than 800 km of double high-speed lines in Spain and Italy.
Metros and trams
COMSA Corporación has built more than 300 km of metros and trams in cities such as Madrid, Barcelona, Bilbao, Ankara, Mexico City, São Paulo, Dublin, Oporto and Lisbon.
Refurbishment and maintenance
COMSA is a benchmark company in maintenance, conservation and refurbishment of conventional railway lines based on a century of experience. The group has renovated more than 1,600 km of track in Spain since 1999 and in Latin America.