Terminology

GWRGreat Western Railway

Great Western Railway

LMSLondon Midland & Scottish Railway

London Midland & Scottish Railway

LNERLondon & North Eastern Railway

London & North Eastern Railway

SRSouthern Railway

Southern Railway

NERNorth Eastern Railway

North Eastern Railway

LNWRLondon & North Western Railway

London & North Western Railway

LB&SCRLondon Brighton & South Coast Railway

London Brighton & South Coast Railway

SE&CRSouth Eastern and Chatham Railway

South Eastern & Chatham Railway

B&MRBrecon & Merthyr Tydfil Junction Railway

Brecon & Merthyr Tydfil Junction Railway

BRBritish Rail or British Railways

British Rail or British Railways

SVRSevern Valley Railway

Severn Valley Railway

PWPermanent Way

Permanent Way

S&TSignals & Telegraph

Signals & Telegraph

DMUDiesel Multiple Unit

Diesel Multiple Unit