Colas secures two contracts for Angers Tramway Line B, France June 28, 2018 | Europe News Colas Rail, Colas Projects, and Colas Centre-Ouest, the three subsidiaries of the Colas Group, have secured two contracts worth EUR62.7 million to construct and carry out ancillary road works for Ange... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password