In 1926, the Tua station served the municipalities of Vila Flor, Carrazeda de Ansiães and São João da Pesqueira, and was a test line for the Companhia Nacional para Bragança (Braganca National Company), which was of significant importance.

[1] The line was important for transitory services of wine, wood, olive oil, cork and livestock, principally from Porto, Vila Nova de Gaia and Régua.

[1] On 11 March, the president of the municipal council of Carrazeda de Ansiães asked that the government step in and reverse its sale.

[1] According to a report, it was difficult (without affecting the departures at the site) to enlarge the slope side, without excavating a trench on ground of compact shales.

Expanding to the riverside, requiring landfill and installation of supporting walls, would not provide enough space, because the Douro was quite close (and would result in blocking the riverway in the process.