The metro is a sustainable and environmentally friendly way to travel, however the extension itself will affect the environment, like all major construction. The object then is to try to make sure that the effect is still as small as possible.
-We want and will be at the leading edge. Sustainability work is about seeing the whole chain. It’s a great challenge to, at such an early stage, consider the whole operating time, that is to say when the subway is finished and the trains have started operating.