Colas Rail, a provider of railway infrastructure services, agreed to acquire Hasselmann Group, a firm specializing in the construction of railroads and rail infrastructure. Financial terms were not disclosed. “Our aim is to increasingly contribute our competence and experience for the further modernisation and development of the German and European rail infrastructure and we are now looking forward to taking on this exciting challenge as part of the Colas Group or Colas Rail. We are convinced that this step is the right decision for the future and further successful development of our group of companies," Peter Krauß, Hasselmann Managing Director.