SNCF BB 13000 SNCF BB 13000 The BB 13000 class were electric locomotives operated by SNCF in France. They were one of four classes, together with the BB 12000, CC 14000 and CC 14100 classes, that formed an experimental group for studying the practicality of the new French electrification. The standard French electrification system before WWII was 1,500 V DC, beginning with locomotives such as the 2BB2 400. Post-WWII, France occupied the south-west of Germany and the . This line had been electrified with one of the first systems to use 50 Hz, the standard commercial distribution frequency, rather than the lower Hz
Southern Railway (UK) London Bridge. Southern is owned by Govia — a joint venture between transport groups Go-Ahead Group and Keolis (a SNCF subsidiary) — which also owns the neighbouring "Southeastern". Officially named "Southern Railway Ltd", it was branded "Southern" on 30 May 2004, recalling the pre-nationalisation Southern Railway, with a green roundel logo with "Southern" written in yellow in a green bar. The Southern railway covered a large territory in south-west England including Weymouth, Plymouth, Salisbury and Exeter, where it was in competition with the Great Western Railway (GWR). To the east of this area it held a monopoly of rail services