Last update 4 August 2024
Please select a starting letter from the links below:
| ELR | Line name | Mileages | Datum | Notes |
|---|---|---|---|---|
| LAB | Lampeter and Aberayron Branch/Aberayron Branch | 0.00 - 12.14 | Aberayron Junction | |
| LAC | Lancaster Castle Branch | 260.05 - 260.46 | St Pancras | |
| LAD | Lanarkshire and Dumbartonshire Branch | 102.55 - 113.46 | Carlisle via Rutherglen, Glasgow Central Low Level and Old Kilpatrick | |
| LAK | Lanark Branch | ?? - ?? | Duplicates LNK | |
| LAL | Langloan Branch | 0.00 - 0.37 | Langloan East Junction | |
| LAM | Lambourn Valley Branch | 0.00 - 12.35 | Newbury | |
| LAN | Launceston Branch | see separate portions | ||
| LAN1 | Tavistock (1965) Junction to original LAN route south of Marsh Mills Station | 242.42 - 243.50 | Paddington via Box | |
| LAN2 | Tavistock Junction to Launceston North Station | 0.00 - 31.67 | Tavistock Junction | |
| LAP | Henley to Lapworth Line | 0.00 - 3.40 | Rowington Junction | Duplicates HLP |
| LAR | Lanarkshire and Ayrshire Railway | 108.59 - 117.20/ 0.79 - 12.45 | Carlisle via Kings Park/Barrmill Junction | Includes part NNH and GIF3. Neilston to Giffen Junction and Kilwinning Junction to Ardrossan Montgomerie Pier |
| LAS | Laira Sidings | 243.55 - 244.45 | Paddington via Box | |
| LAU | Lauchope Branch | 0.00 - 0.38 | Lauchope Colliery Branch Junction | South of Chapelhall |
| LAV | Laverstock North Junction to South Junction Curve | 82.11 - 82.39 | Waterloo | |
| LBB | Lugton and Beith Branch | 0.00 - 5.05 | Barrmill Junction | Includes GIF2 |
| LBC | London Bridge to Bricklayers Arms Junction (South London Line) | 0.00 - 2.12 | London Bridge | |
| LBE | Leeds and Bradford Exchange (now Interchange) Line | see separate portions | ||
| LBE1 | Leeds Holbeck West Junction to Laisterdyke East Junction | 0.00 - 6.53 | Holbeck West Junction | |
| LBE2 | Laisterdyke East Junction to Laisterdyke West Junction | 190.29 - 190.60 | Kings Cross via Birkenshaw Line | |
| LBE3 | Laisterdyke West Junction to Hammerton Street Junction | 190.60 - 191.13 | Kings Cross via Birkenshaw Line | |
| LBE4 | Hammerton Street Junction to Mill Lane Junction | 191.13 - 191.78 | Kings Cross via Birkenshaw Line | |
| LBH | Lambton Branch | 0.00 - 1.05 | Pallion Junction | |
| LBM | Leven Bone Mill Branch | ?? - ?? | ||
| LBR | Leven Dock Branch | 0.00 - 0.12 | Leven Dock Siding | |
| LBS | Pemberton Junction to Norley Colliery Branch | 0.00 - 0.66 | Goose Green Junction | |
| LBW | London Bridge to Windmill Bridge Junction | 0.00 - 9.69 | London Bridge | |
| LCB | Lifford Canal Branch | 46.65 - 47.63 | Derby | |
| LCE | Long Eaton Curve | 0.00 - 0.27 | Long Eaton Junction | |
| LCG | Langton Colliery Branch | 0.00 - 0.69 | Langton Colliery Branch Junction | Formerly 135.53 - 136.42 (from St Pancras) |
| LCH | Lewisham East (Ladywell Line) to Hayes Line | 5.74 - 14.34 | Charing Cross | |
| LCJ | Loversall Junction to Flyover East Junction Curve | 152.36 - 152.79 | Kings Cross | |
| LCL | Llandilo and Carmarthen Line | 0.00 - 13.25 | Carmarthen Valley Junction | |
| LCM | Langwith Colliery Branch | 0.00 - 1.16 | Langwith Colliery Junction | |
| LCN | Lostock Junction to Crow Nest Junction (Hindley) Branch | 13.39 - 17.18 | Manchester Victoria | |
| LCR | Loversall Carr Junction to Rossington Junction Curve | 152.00 - 152.12 | Kings Cross | |
| LCS | Liverpool Edge Hill to Crown Street Goods Branch | 1.32 - 1.78 | Olive Mount Junction | |
| LCU | Langley Mill Curve | ?? - ?? | ||
| LCZ | Cinderford Loops | see separate portions | ||
| LCZ1 | Cinderford North Loop | 17.69 - 18.14 | Berkeley Road Junction | |
| LCZ2 | Cinderford South Loop | 18.00 - 18.14 | Berkeley Road Junction | |
| LDA | Llandaff Loop | 4.41 - 4.71 | Cardiff Bute Road | Structure also listed at 3.68 |
| LDB | Luton to Dunstable Branch link | 0.00 - 0.10 | Luton South Junction | |
| LDD | Southall Loco & Diesel Depot | 8.46 - 9.02 | Paddington | |
| LDK | Langton Dock Branch | ?? - ?? | ||
| LDL | Llanelly Dock Loop | 224.51 - 225.15 | Paddington via Stroud | |
| LDN | Loddington Branch | 1.53 - 3.65 | Cransley Branch Junction | |
| LDP | Leyton Depot | ?? - ?? | GE ?? | |
| LDS | Leadhills Branch | 0.00 - 7.24 | Elvanfoot Junction | |
| LDU | Leamside and Durham Line | 0.00 - 2.46 | Auckland Junction | |
| LDY | Londonderry Branch | 0.00 - 1.55 | Ryhope Grange Junction | |
| LDZ | Llandillo Loop Line | 223.49 - 224.01 and 0.00 - 0.40 | Paddington via Stroud and Llandillo Junction West (reverse) and Llandilo Junction | |
| LEB | Leith Branch | 0.00 - 2.47 | Crewe Junction | |
| LEC | London Euston to Crewe Line | see separate portions | ||
| LEC1 | London Euston to Rugby Trent Valley Junction | -0.03 - 83.18 | Euston | |
| LEC2 | Rugby Trent Valley Junction to Stafford South | 83.18 - 133.04 | Euston | |
| LEC3 | Stafford Station Area | 133.04 - 133.70 | Euston | |
| LEC4 | Stafford North to Crewe | 133.60 - 157.20 | Euston | |
| LEC5 | Crewe Station Area | 157.20 - 159.00 | Euston | |
| LEC6 | Norton Bridge Down Slow Line | 137.42 - 139.64 | Euston | 2016 route |
| LED | Ledbury Branch | Now LEY | ||
| LED | Little Eaton Junction to Denby Branch | 131.04 - 137.54 | St Pancras | |
| LEE | Lee Junction to Lee Spur Junction Curve | 0.00 - 0.29 | Lee Loop Junction | |
| LEF | Leavenseat Fork | 0.00 - 0.18 | Leavenseat Box | Off Caledonian Railway Shotts line, connection to North British LEV |
| LEG | Legbrannock Branch | 0.00 - 0.50 | Newhouse Junction | Off Airdrie to Morningside line |
| LEH | Leeds and Harrogate Line | see separate portions | ||
| LEH1 | Leeds Wortley Junction to Pannal Junction | 0.16 - 14.60 | Wortley Junction | |
| LEH2 | Pannal Junction to Starbeck North Junction | 14.60 - 15.29 | Wortley Junction | |
| LEH3 | Crimple Junction to Harrogate Station | 15.20 - 17.24 | Wortley Junction | Formerly CFH2 |
| LEI | Leigh Branch | 0.00 - 3.32 | Pennington South Junction | |
| LEJ | Leatherhead and Effingham Junction Line | 18.10 - 22.15 | Waterloo via Worcester Park | |
| LEK | Etruria to Kidsgrove Loop | 0.00 - 7.25 | Etruria Junction | |
| LEL | Lydney East Loop | Now LEP | ||
| LEL | Lifford West Junction to East Junction Line | 46.11 - 46.36 | Derby via Camp Hill Line | |
| LEM | Leavenseat Branch | 0.00 - 0.18 | Levenseat Siding | LMS route |
| LEN | Longlands, Eaglescliffe and Newcastle Line | see separate portions | ||
| LEN1 | Leeds to Northallerton High Junction | 14.60 - 42.21 | Leeds Wortley Junction via Pannal Junction and Starbeck avoiding Harrogate | |
| LEN2 | Northallerton High Junction to East Low Junction | 0.00 - 0.36 | Northallerton High Junction | |
| LEN3 | East Low Junction to Newcastle East Junction via Hartlepool | 42.79 - 101.59 | Leeds Wortley Junction via Harrogate Starbeck and Northallerton Low Level | Some structures also have DSN2 references |
| LEP | Lydney East Loop | 7.71 - 8.01 | Berkeley Road Junction | Formerly LEL |
| LEV | Leavenseat Branch | 0.00 - 0.61 | Leavenseat Branch Junction, Fauldhouse & Crofthead | LNER route |
| LEW | Leeds to Wetherby Line | 0.00 - 10.56 | Cross Gates East Junction | |
| LEX | Littleworth Extension Branch | 0.00 - 0.41 | Littleworth Junction | Off East Cannock Junction to Norton branch, LNW, Littleworth Junction to Cross Keys Junction |
| LEY | Ledbury Branch | 0.00 - 17.37 | Over Junction | Formerly LED |
| LEZ | Bromyard Branch | 135.01 - 147.79 | Paddington via Didcot and Charlbury | Now part of BYB |
| LFB | Llanfyllin Branch 1: mileage change to Llanfyllin | 1.17 - 8.44 | Llanymynech South Junction | |
| LFL | Low Fell Civil Engineers Depot | 0.13 - 0.37 | Low Fell Junction | |
| LFN | Lincoln Fossdyke Navigation (GN and GE Joint canal) | n/a | n/a | Canal bridges only |
| LFS | Larkfield South Curve | see separate portions | ||
| LFS1 | Larkfield Junction to Langside Junction | 101.01 - 101.17 | Carlisle | |
| LFS2 | Langside Junction to Muirhouse South Junction/Strathbungo Junction | 0.61 - 1.19 | Gorbals Junction | |
| LGB | Llangollen Goods Branch | 5.46 - 5.72 | Llangollen Line Junction via Llangollen Goods Junction (reverse direction and count) | |
| LGC | Loanhead to Glencorse Branch | 10.33 - 14.62 | Edinburgh Waverley via Portobello Junction | |
| LGS | Largs Line | see separate portions | ||
| LGS1 | Kilwinning Junction to Holm Junction | 25.65 - 30.44 | Bridge Street Station | |
| LGS2 | Holm Junction to Largs | 30.44 - 42.07 | Bridge Street Station | |
| LGW | Linacre Gas Works Branch | 0.76 - 1.32 | Fazakerley North Junction | |
| LGZ | Llanelly Dock Goods Branch | 224.68 - 225.11 | Paddington via Stroud | |
| LHB | Lowestoft Harbour Branch | 116.58 - 117.35 | Liverpool Street | |
| LHC | Leith Central Branch | 1.03 - 2.06 | Edinburgh Waverley | |
| LHD | Lawhead Branch | 0.00 - 1.11 | Lawhead Junction | |
| LHI | Llanhilleth Branch | 5.36 - 6.63 | Taff Vale Extension Junction | |
| LHJ | Lostock Hall Junction to Preston Fishergate via Skew Bridge Line | 26.18 - 28.61 | Liverpool Exchange | |
| LHL | Lostock Hall Lines (also known as Farington Old Curve) | 0.00 - 0.77 | Farington Junction | |
| LHN | Little Hulton Branch | see separate portions | ||
| LHN1 | Roe Green Junction to Bolton Rothwell Street Junction | 0.00 - 4.78 | Roe Green Junction | |
| LHN2 | Little Hulton Mineral Branch | 0.00 - 1.11 | Little Hulton Junction | |
| LHR | London Heathrow Branch | Now HLL | ||
| LHS | Leith Docks Branch | see separate portions | ||
| LHS1 | Portobello Junction to Docks | -0.20 - 3.45 | Portobello Junction | |
| LHS2 | Seafield Junction to South Depot | 2.22 - 2.66 + depot | Portobello Junction | |
| LHS3 | unknown | 0.00 - 2.37 | ||
| LHY | Lincoln Holmes Yard | 82.56 - 83.25 | Huntingdon South Junction via St Ives (reverse) | |
| LIA | Lincoln Avoiding Line | 0.00 - 3.11 | Greetwell West Junction | |
| LIC | Linwood Branch | 0.00 - 2.07 | Blackstone Junction | |
| LIG | Linwood Branch | 0.00 - 0.61 | Cart Junction | Glasgow and South Western Railway route |
| LIJ | Liskeard Junction | 8.51 - 8.73 | Looe Quay via Coombe Junction (reverse) | |
| LIL | Liskeard Loop | 6.74 - 8.67 | Looe Quay via Coombe Junction (reverse) | |
| LIM | Limestone Branch | 13.56 - 14.07 | Llandilo Junction | |
| LIT | Litchurch Branch | 0.04 - 1.11 | Derby London Road Junction | |
| LIV | Liversedge Branch | see separate portions | ||
| LIV1 | Heckmondwike Junction to Thornhill Junction | 0.00 - 2.28 | Heckmondwike Junction | |
| LIV2 | MPM&TM to Heckmondwike Spen Junction | 0.00 - 0.24 | MPM&TM Junction | Opened 29.11.1965 to serve National Benzole Siding |
| LIV3 | Heckmondwike Spen Junction to Liversedge | 3.73 - 5.30 | Heaton Lodge South Junction | |
| LIV4 | Ravensthorpe Branch | ?? - ?? | Duplicate of LIV1? | |
| LIW | Langloan Ironworks Branch | 0.00 - 0.39 | Langloan Weighs Junction | |
| LJC | Lostock Junction Connecting Line | 0.00 - 1.12 | Chew Moor Junction | |
| LJL | Llandillo Junction to Llanelly Line | Now LJL1 | ||
| LJL | Llandillo Junction to Llanelly Line | see separate portions | ||
| LJL1 | Nevill's Dock End to Llanelly Dock | 223.50 - 224.79 | Paddington via Stroud | |
| LJL2 | Llanelli Dock Junction to Llanelli Dock | 224.68 - 225.12 | Paddington via Stroud | |
| LJR | Lancaster Canal Tram Road | ?? | ?? | Old line in Preston removed 1870s |
| LJT | Llandudno Junction and Trawsfynydd Branch | see separate portions | ||
| LJT1 | Llandudno Junction to Blaenau Ffestiniog | 0.30 - 27.53 | Llandudno Junction | |
| LJT2 | Bala to Blaenau Ffestiniog | 0.00 - 25.45 | Bala Junction | |
| LKD | Lakeside Branch | 0.00 - 7.71 | Plumpton Junction | |
| LKL | Lumphinnans Loop | 0.00 - 0.22 | Lumphinnans North Junction | |
| LKY | Lumphinnans to Kelty | 0.00 - 1.53 | Lumphinnans Central Junction | |
| LLA | Llanelly to Llandillo Line | 0.00 - 18.17 | Llandeilo Junction | |
| LLB | Leslie Branch | 0.00 - 4.36 | Leslie | |
| LLD | Lydney Lower Dock Branch | 8.32 - 9.72 | Berkeley Road Junction via Docks Branch Junction (reverse) | |
| LLG | Low Level Goods | 0.12 - 2.59 | West London Junction | |
| LLH | Llanarth Branch | 0.08 - ?? | Courtybella (Town Dock) Junction | |
| LLI | Liverpool Independent Lines | 157.71 - 158.73 | Euston | |
| LLJ | Llandudno to Llandudno Junction Branch | 0.00 - 3.14 | Llandudno Junction | |
| LLL | Ladywell Loop Line (Parks Bridge Junction to Ladywell Junction) | 6.23 - 6.41 | Charing Cross | Original measure via Lewisham/Ladywell Junction (reverse), later remiled 6.13 - 6.29 direct |
| LLP | Longlands Loop (Northallerton) | see separate portions | ||
| LLP1 | Longlands Loop Junction to Boroughbridge Road Level Crossing via Down Loop | 28.67 - 29.72 | York | |
| LLP2 | Boroughbridge Road Level Crossing to East Low Junction | 42.21 - 42.79 | Leeds Wortley Junction via Harrogate Starbeck and Northallerton Low Level | |
| LLP3 | Boroughbridge Road Level Crossing to Longlands Loop Junction via Up Loop | 0.00 - 0.69 | Boroughbridge Road Level Crossing | |
| LLPZ | Longlands to Boroughbridge Road Level Crossing via Down Loop | 28.71 - 29.72 | York | Not in GEOGIS but present in a structure maintenance system. Mostly duplicates LLP1 |
| LLR | Lybster Light Railway (Wick to Lybster) | 0.19 - 13.63 | Wick | |
| LLS | Lea Junction to Loughton Junction (now Temple Mills East Junction) Loop (Stratford) | see separate portions | ||
| LLS1 | High Meads Junction to Temple Mills East Junction | 0.15 - 0.59 | Channelsea North Junction | |
| LLS2 | Lea Junction to High Meads Junction | 0.51 - 0.73 | Victoria Park Junction | |
| LLY | Landore Depot (Swansea) | 214.65 - 215.05 | Paddington via Stroud | |
| LLZ | Llwyncelyn Branch | 22.70 - 23.12/ 0.00 - 0.23 | Brecon/Llwyncelyn Junction | |
| LMB | Letham Branch | ?? - ?? | Letham Mill Siding on ABG?? | |
| LMC | Limehouse Curve | 0.00 - 0.23 | Limehouse Junction | |
| LMD | Longsight Maintenance Depot | see separate portions | ||
| LMD1 | Carriage Cleaning Shed | 187.10 - 187.49 | Euston | |
| LMD2 | Up Freight Sidings | 187.26 - 187.47 | Euston | |
| LMD3 | TMD North Shed | 187.09 - 187.44 | Euston | |
| LMD4 | South Shed | 187.11 - 187.27 | Euston | |
| LMD5 | Hyde Road Sidings | 187.18 - 187.49 | Euston | |
| LMD6 | Carriage Washing Line | 187.10 - 187.53 | Euston | |
| LMD7 | Electric Traction Depot | 187.07 - 187.24 | Euston | |
| LMD8 | North End Arrival and Departure Roads | 187.48 - 187.55 | Euston | |
| LMK | Lanemark Branch | 55.63 - 56.40 | Glasgow Bridge Street via Dalry | Extension of KSH |
| LML | Lambhill Branch | 0.00 - 0.50 | Possil | Caledonian Railway route |
| LMR | Longmoor Military Railway | ?? - ?? | MOD property | |
| LMW | Lesmahagow Branch | 1.44 - 15.48 | Lesmahagow Junction, Motherwell | Ross Junction to Alton Heights Junction |
| LNG | Linrigg Branch | 0.00 - 0.08 | Linrigg Colliery Siding | Newhouse |
| LNH | Longniddry Junction to Haddington Branch | 13.18 - 18.01 | Edinburgh Waverley | |
| LNJ | Launceston Junction | 31.33 - 31.55 | Tavistock Junction | |
| LNK | Lanark Branch | 0.00 - 2.45 | Lanark Junction | |
| LNL | Lincoln Loop Line | see separate portions | ||
| LNL1 | Spalding to Boston Sleaford Junction | 93.24 - 106.70 | Kings Cross | |
| LNL2 | Boston, East Lincs Junction to sewer no 38A | 107.61 - 137.54 | Kings Cross | |
| LNL3 | Sewer no 38A to Lincoln, Pelham Street Junction | 137.54 - 138.13 | Kings Cross | |
| LNR | Rutherglen Sidings (London Road Branch) | 0.05 - 1.20 | Rutherglen Central Junction | |
| LOB | Louth to Bardney Line | 129.10 - 150.13 | Kings Cross | |
| LOC | Loughborough Junction and Canterbury Road Junction Line | 3.39 - 3.78 | Holborn Viaduct | |
| LOD | London Docks Branch | 0.00 - 0.17 | London Docks Junction | |
| LOF | Lostwithiel and Fowey Branch | 277.42 - 282.65 | Paddington via Box and Plymouth Millbay (reverse) | |
| LOM | Lofthouse to Methley Branch | 178.14 - 183.17/ 0.00 - 5.03 | Kings Cross/Methley Line Junction | |
| LOO | Liskeard and Looe Railway/Looe and Moorswater Branch | 0.00 - 7.29 | Looe Quay | |
| LOP | Lochend Loop | 0.00 - 0.25 | Lochend Junction | |
| LOS | Lofthouse to Stourton Branch | 178.47 - 184.00 | Kings Cross | |
| LPJ | Lyoncross to Paisley St James Line | 108.51 - ?? | Carlisle via Motherwell, Larkfield Junction and Terminus Junctions | |
| LPJ2 | Barrhead (Paisley & Barrhead District) | ?? - ?? | Carlisle | |
| LPW | Wellingborough Loop | 0.00 - 0.63 | Wellingborough Junction | |
| LRD | Longriggend Branches | ?? - ?? | ||
| LRE | Lanridge Branch | 0.00 - 0.69 | Lenbranock Branch Junction | |
| LRG | Lothian Road Goods Branch | ≈100.67 - 100.78 | Carlisle | |
| LRK | Larkhall Branch | 0.00 - 3.00 | Haughhead Junction | |
| LRY | Leeman Road Yard (York) | 0.00 - ?? | ?? | Listed as 0.00 - 1.00 |
| LSB | Lincoln Street Crossing to Babbington Colliery (Cinder Hill) Branch | 128.15 - 129.01 | St Pancras via Corby | |
| LSC | Leamington Spa and Coventry Line | see separate portions | ||
| LSC1 | Leamington Spa to Milverton | 106.25 - 107.06 | Paddington | |
| LSC2 | Milverton to Coventry | 0.00 - 8.45 | Milverton | |
| LSG | Lynedoch Street Goods Branch | 0.00 - 0.10 | Greenock Lynedoch Station | |
| LSN | Lenton South to North Junctions Curve | 0.00 - 0.27 | Lenton South Junction | |
| LSS | Landor Street Junction to St Andrews Junction | 40.58 - 41.18 | Derby | Formerly part of SKN |
| LSY | Lincoln St Marks South Yard | 32.38 - 32.65 | Nottingham London Road Junction | |
| LTC | Loughborough Junction and Cambria Junction Line | 3.34 - 3.57 | Holborn Viaduct | |
| LTG | New Cross Gate LUL Lines | 2.47 - 2.74 | London Bridge | |
| LTH | Leigham Spur | 6.20 - 6.40 | London Bridge | |
| LTN | Liverpool Street and Norwich Line | see separate portions | ||
| LTN1 | Liverpool Street to Trowse Lower Junction | 0.00 - 113.68 | Liverpool Street via Ipswich | |
| LTN2 | Trowse Lower Junction to Norwich | 123.00 - 124.09 | Liverpool Street via Cambridge | |
| LTO | Llantrisant No. 1 Branch | 2.70 - 9.71 | Cardiff Central | |
| LTR | Llantrisant Branch | 1.04 - 5.28 | Mwyndy Junction | |
| LTV | Lichfield Trent Valley Curve | 0.00 - 0.22 | Lichfield High Level Goods Loop Junction | |
| LTX | New Cross LUL Lines | 4.38 - 4.70 | Charing Cross | |
| LUD | Lydney Upper Dock Branch | Now LUK | ||
| LUD | Ludgershall Branch | see separate portions | ||
| LUD1 | Andover Junction to Red Post Junction | 66.26 - 67.61 | Waterloo | |
| LUD2 | Red Post Junction to Ludgershall | 0.00 - 5.71 | Red Post Junction | Formerly part of AND |
| LUK | Lydney Upper Dock Branch | 8.60 - 9.50 | Berkeley Road Junction via Docks Branch Junction (reverse) | |
| LVE | Leen Valley Extension Line | 145.68 - 147.55 | Kings Cross | |
| LVN | Leven Shipyard Branch | 115.24 - 115.52 | Carlisle via Rutherglen, Glasgow Central Low Level and Old Kilpatrick | |
| LVS | Liverpool Street platforms 11 to 18 | 0.02 - 0.23 | Liverpool Street | |
| LVT | Lewisham Vale and Tanners Hill Line | 5.29 - 5.57 | Charing Cross | |
| LVX | Leen Valley Extension | 138.45 - 148.09 | Kings Cross | Listed as 138.35 - 145.10 |
| LVY | Leen Valley Railway | 129.76 - 137.03 | Kings Cross | |
| LWA | Remote Structures ('Long Way Away') | n/a | n/a | Supersedes individual portions of LWA |
| LWA | Remote Structures ('Long Way Away') | see separate portions | ||
| LWA1 | BR Eastern Region | n/a | n/a | Listed as 0.00 - 0.01 |
| LWA2 | BR Midland Region | n/a | n/a | Listed as 0.10 - 1.00 |
| LWA3 | BR Scottish Region | n/a | n/a | Listed as 0.00 - 0.02 |
| LWA4 | BR Southern Region | n/a | n/a | Listed as 0.00 - 0.00; later LWAC |
| LWA5 | BR Western Region | n/a | n/a | Listed as 0.00 - 0.36 |
| LWAC | Remote Structures ('Long Way Away') | n/a | n/a | Formerly LWA4 |
| LWB | Leighswood Branch | 0.00 - 1.79 | Leighs Wood Branch Junction | |
| LWE | Lenwade Estates Branch | ?? - ?? | Possible branch from Lenwade Station M&GN | |
| LWG | Leith Walk Goods Branch | 1.29 - 1.52 | Edinburgh Waverley | |
| LWL | Lydney West Loop | 8.22 - 8.47 | Berkeley Road Junction via Lydney Junction (reverse) | |
| LWW | Leeds West to Whitehall Junction Line | see separate portions | ||
| LWW1 | Leeds Station to Leeds West Junction | 20.47 - 20.70 | Selby South Junction | Now in DOL2 |
| LWW2 | Leeds West Junction to Whitehall East Junction | 0.00 - 0.22 | Leeds West Junction | Now in DOL2 |
| LWY | Lincoln West Yard | 0.00 - 0.47 | West Holmes Junction | |
| LWZ | Llangurig Branch | 0.12 - 4.68 | Penpontbren Junction | |
| LXC | Lennox Colliery Branch | ?? - ?? | ||
| LXG | Lennoxtown Goods Branch | 0.00 - 0.20 | Blane Valley Junction | |
| LXJ | Liverpool Exchange Junction to Liverpool Exchange Station Line | 35.57 - 36.52 | Manchester Victoria | |
| LYD | Lydford Junction | 207.19 - 207.28 | Waterloo | |
| LYE | Smithy Lye Sidings (Glasgow Central) | 0.18 - 0.45 | Bridge Street Junction | |
| LYM | Lyme Regis Branch | 0.09 - 6.59 | Axminster |