These map is an extract of an animated map which shows the development of the general-interest rail network in mainland France from the advent of the railway in 1827 (1826 is shown as a benchmark) to 2020. The animated map can be viewed at this address: https://commons.wikimedia.org/wiki/File:Railway_map_of_France_-_animated_-_fr_-_medium.gif?uselang=fr It highlights the expansion of the rail network from the 1920s/1930s and the creation of electric traction lines and then high-speed lines.