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 12000 engines can support a very large overload current of 1800 amps, well over the 1000 amp design. They suffered very little wheel slip; they could pull 1756 tonnes trains on a 10 ‰ grade and 2885 tonnes trains on a 5 ‰ grade. The locomotives had few flaws, none of which related to the electrical components. They had cramped cabins, poor braking and couldn't work as multiple-unit sets. SNCF Class BB 12000 The SNCF Class BB 12000 were electric locomotives operated by SNCF. The first examples arrived on the railway in 1953, operating on the 25 kV 50 Hz line