 The section between Sernada do Vouga and Viseu is closed.After the line was opened by Manuel II of Portugal in 1908, the Companhia do Vale do Vouga operated it from 1907 to 1946.The first section, between Espinho and Oliveira de Azeméis, opened to traffic on 21 December 1908; the next section to be completed was between Ul and Albergaria-a-Velha.