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Dragados S.A. was founded in 1941 and won its first underground project in Spain in 1944. In 1965, the company began its international push and won its first contract. Since then, Dragados S.A. has completed over 530 underground projects in nineteen countries and four continents.

World map showing the countries where building projects have been carried out (North America, Chile, Argentina, Colombia, Australia, Portugal and Spain among others).

Today, having constructed more than 1.480 km of tunnels, shafts and galleries and stations through a variety of geological conditions, utilizing diverse methodologies and all types of construction technologies, we are a worldwide leader in underground construction.

Examine the projects executed


Road tunnels: 243
Railway tunnels: 254
Underground tunnels: 293
Water tunnels: 555
Mine tunnels: 135
TOTAL 1.480

Most important projects by specialty

Front view of the metro station, consisting of several levels

Confederation Line - Ottawa, Canadá

Dragados was appointed by the City of Ottawa as a member of a Design-Build Joint-Venture to construct the Confederation Line in 2013, with an alternative financing and procurement (AFP) model. The scope of work includes the construction of a 12.5

Recreation of the interior of the station

Eglinton Crosstown LRT - Toronto, Ontario

The Eglinton Crosstown LRT is part of Metrolinx’s regional transportation plan “The Big Move”. The Crosstown is part of the $8.4 billion (2010$) investment from the Ontario government to expand transit in Toronto. The Crosstown p
Aerial view of the tunnel boring machines that form the east tunnel of Toronto

Eglinton Crosstown - East Tunnels - Toronto, Ontario

Dragados was mandated by Metrolinx along with its Joint Venture partner for a tunneling contract as part of a section of the Eglinton Crosstown Light Rail Transit (LRT) Project. The East Tunnels Project consists of the construction of 3.25 km of
Recreation of the metro station, where you can see the escalators that give access to the platform

Bank Station Capacity Upgrade - London, United Kingdom

  1. New entrance, three ticket halls, six lifts, 10 platforms, two 94m travelators, 570m tunnel and platform for Northern Line
  2. Winners of the Constructing Excellence Integration and Collaborative Working Award 2014.
  3. Throu...