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 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 were all rebuilt from a DC locomotive and could only deliver their full power under 25 kV. Power output under 1.5 kV was reduced to 10% of the full power which is nearly negligible. This was however no real problem, as these locomotives