SNCF Class Z 23500 SNCF Class Z 23500 Class Z23500 is a class of railway electric multiple units operated in France. They were built by Alstom and Ateliers du Nord de la France, (which became Bombardier) for SNCF and are used on the TER Network. These sets consist of 2 double deck coaches. They were built from 1997 and a total of 80 units were built. The units were ordered by the following regions: Provence-Alpes-Côte d'Azur, Nord-Pas-de-Calais and Rhône-Alpes. They are mainly used on stopping services around the French Riviera (Provence-Alpes-Côte d'Azur), Lille (Nord-Pas-de-Calais) and Lyon (Rhône-Alpes).They are all in the TER livery, which
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