 The first standard gauge railways in Brittany were the Chemin de Fer de Paris à Orléans (CF PO) line from Paris to Quimper, which was completed in 1863 and the Chemins de Fer de l'Ouest (CF de l'Ouest) line from Paris to Brest, which was completed in 1865.The CF PO built a line from Quimper to Châteaulin and Landerneau, where it connected with the CF PO.This line was completed in 1867.