The fourth part of this history of the SNCF. This volume follows the history through a period of innovation, with the development of the first high-speed lines and the early TGV units. Includes a general overview of the SNCF during this period, looks at new locomotives and units introduced, as well as looking at new lines and upgrades to existing line, including suburban lines around Paris. Well illustrated with black & white photographs and other archive material. French text. 98 pages.