| Abr |
Name |
| LD&EC |
Lancs, Derbyshire & East Coast |
| L&T |
Leeds & Thirsk |
| LMVLR |
Leek & Manifold Valley Light |
| L&M |
Liverpool & Manchester |
| LSH&SL |
Liverpool St Helens & Sth Lancs |
| L&S |
Leicester & Swannington |
| L&K |
Limerick & Kerry |
| L&M |
Liverpool & Manchester |
| LO |
Liverpool Overhead |
| L&O |
Llynvi & Ogmore |
| Llynvi |
Llynvi Valley |
| LNW |
London & North Western |
| LSW |
London & South Western |
| LSW/Mid |
London & Sth Wstrn/Mid Jt |
| LBSC |
London, Brighton & Sth Coast |
| LC&D |
London, Chatham & Dover |
| L&L |
Louth & Lincoln |
| Malm |
Malmesbury |
| M&L |
Manchester & Leeds |
| M&M |
Manchester & Midford |
| MS&L |
Manchester, Sheffield & Lincs |
| Mar |
Marland Light |
| MBQT |
Meal Bank Quarry Tramway |
| MT&A |
Merthyr, Tred'gar & Abrgvny |
| MetWL |
Metropolitan (Widened Lines) |
| Mid |
Midland |
| Mid/CLC |
Midland/Cheshire Lines Cmt Jt |
| MC |
Midland Counties |
| MGW |
Midland Great Western |
| M&SWJ |
Midland & South Western Jnc |
| MoT |
Ministry of Transport |
| M&K |
Monkland & Kirkintilloch |
| NR&M |
Narberth Rd & Maenclochog |
| N&C |
Newcastle & Carlisle |
| NA&H |
Newport, Abrgvnny & Hereford |
| N&A |
Newry & Armagh |
| N&S |
Norfolk & Suffolk |
| Nth Brt |
North British |
| NE |
North Eastern |
| Nth Lnd |
North London |
| Nth Stf |
North Staffordshire |
| NWM |
North Wales Mineral |
| Not Sub |
Nottingham Suburban |
| OA&GB |
Oldham, Ashton & Guide Br Jnc |
| OW&W |
Oxford, Worcstr & Wolvrhmptn |
| Pad |
Padarn |
| PFT |
Peak Forest Tramway |
| Pen |
Penicuik |
| P&D |
Plymouth & Dartmoor |
| PD&SW |
Plymouth, Devonport & SW Jnc |
| Pt Talb |
Port Talbot |
| PD&O |
Portadwn Dungannon & Omagh |
| P&L |
Preston & Longridge |
| R&SB |
Rhondda & Swansea Bay |
| R&M |
Ross & Monmouth |
| R&N |
Ryde & Newport |
| S&DJ |
Salisbury & Dorset Jnc |
| Saund |
Saundersfoot |
| Sc&Wh |
Scarborough & Whitby |
| S&W |
Severn & Wye |
| SB |
Severn Bridge |
| SV |
Severn Valley |
| S&M |
Sheffield & Midland Committee |
| SA&M |
Sheffield, Ashton-u-L & Manch |
| SISCC |
Shelton Iron Steel & Coal Co |
| S&C |
Shrewsbury & Chester |
| S&D |
Somerset & Dorset |
| SE |
South Eastern |
| SE&C |
South Eastern & Chatham |
| SW |
South Wales |
| SWM |
South Wales Mineral |
| SYJ |
South Yorkshire Jnc |
| Sn&Dr |
Southampton & Dorchester |
| SHCR |
St Helens Canal & Railway Co |
| S&T |
Stanhope & Tyne |
| St&Dn |
Stirling & Dunfermline |
| Str |
Strathspey |
| S&K |
Swinton & Knottingley Joint |
| Tf Vale |
Taff Vale |
| T&M |
Tewkesbury & Malvern |
| TT |
Ticknall Tramway |
| Tref |
Treffry's |
| VoN |
Vale of Neath |
| WD&L |
Wtrford Dungarvon & Lismore |
| WV |
Wear Valley |
| Wem |
Wemyss (Colliery) |
| Wen |
Wenlock |
| WC |
West Cork |
| WYks |
West Yorkshire |
| WJ |
Wigan Junction |
| WS&M |
Wirksworth Stone & Mineral Co |
| Wye |
Wye Valley |
| Y&NM |
York & North Midland |
