It is now a station of the Société nationale des chemins de fer français (SNCF), served by trains operated by TER Bretagne.
It is at kilometer point (KP) 169.940 of the Lison to Lamballe line, between the Hisse and Corseul stations.
The single-track section from Dol-de-Bretagne to Lamballe, on which is Dinan is located, was commissioned on 29 December 1879 by the Western Railway Company.
It was part of the construction program launched by Raoul Dautry, general manager of the state railway administration, to renovate several of the company's stations.
[2] Dinan is served by TER Bretagne trains that terminate or originate in the station.