SNCF Class BB 12000 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 to the coal mines of the "Houillères de Lorraine" in the north-east of France. BB 12001 arrived in Mohon on July 17, 1954. Tried first along the Valenciennes – Lumes line, specifications called for a locomotive capable of pulling 750 tonne trains along a grade of 10 ‰. The 12000 Class proved more than capable, pulling 1100 tonne then 1400 tonne trains. BB 12006 using a different system
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