Portet-Saint-Simon–Puigcerdà railway electric multiple unit trains model SNCF Z 27500 (Autorail à grande capacité) which in the 2000s replaced the SNCF Class Z 7300. The direct connection Latour-de-Carol to Paris is provided by the Corail night train, called Lunéa since the late 2000s. Portet-Saint-Simon–Puigcerdà railway The Portet-Saint-Simon - Puigcerdà railway is a secondary railway line in southwestern France. It connects Portet-sur-Garonne, 11 km south of Toulouse on the Toulouse–Bayonne railway, to Latour-de-Carol and Puigcerdà, towns located on each side of the French/Spanish border in Cerdanya. The railway was opened in several stages between 1861 and 1929. Since the closure of the railway
SNCF Class BB 20004 equipments were either parts which were not used on BB16500 locomotives but on older locomotives, or entirely new designs. BB20004 contributed however a big part to the realisation of the BB25500 and later dual-voltage locomotives and expanded the knowledge of dual-voltage locomotives greatly. SNCF Class BB 20004 The SNCF class BB 20004 locomotive was a dual-voltage test-bed locomotive transformed from the damaged BB16540 in 1959. After the end of its test period in 1969 it was reinstated with its original equipment under its original number BB16540. SNCF had already experimented with three other dual-voltage locomotives in the 1950s, but these