Passion, Purpose, Challenge : at Colas Rail, we are driven by change, this is why our employees imagine each day a world wher ... e innovative and eco-friendly contribute to the well-being of each and the future of all. Joining Colas Rail means evolving at the heart of the challenges of tomorrow, with an international leader present in more than 20 countries, alongside passionate and demanding women and men, to achieve, together, the impossible. read more