Authorised on 10 August 1857, on the brink of collapse by 1885 when it amalgamated with the Wigtownshire Railway to form the Portpatrick & Wigtownshire Joint Railway with effect from 1 August 1885.
Authorised on 10 August 1857, on the brink of collapse by 1885 when it amalgamated with the Wigtownshire Railway to form the Portpatrick & Wigtownshire Joint Railway with effect from 1 August 1885.