The Finnish Main Railway contains the oldest part of Finnish railway net, the portion from Helsinki to Hämeenlinna having been built in 1840. Other parts were opened: * Hämeenlinna-Tampere in 1863 * Seinäjoki- Vanha-Vaasa - (Vaasa) in 1865 * Vanha-Vaasa -Isosanta in 1880 * Tampere-Seinäjoki in 1930 * Isosanta-Kaskihamina in 1955 Before 1930, the rail traffic between Tampere and Seinäjoki went through Haapamäki, on what is now the Western Suomenselkä Railway.