In spite of the new structurings, this region remains as economic and industrial axis. From the years of the postwar period, has faced serious structural difficulties and a social crisis. Three great sectors are basic in their economy: coal, steel and the textile branch. On the other hand, the Northwestern Europe connection with the British islands contributes to the importance of being a communications center with the consequent infrastructures development and services. The tunnel under the English Channel and the TGV are clear exponents.