Colas Rail–ETF consortium to provide trackwork for southern extension of Paris Metro Line 14, France May 19, 2020 | Europe Company News The Colas Rail–ETF consortium has secured a EUR71.4 million contract for the design and installation of trackwork on the 14-km-long southern extension of Paris Metro Line 14 from Olympiades to O... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password