| LWELRSJ |
Low Ellers Curve Jn |
26 |
| LWERWJN |
Llanwern West Jn |
439 |
| LWERXSG |
Llanwern Exchange Sidings |
51 |
| LWLYSAT |
Lawley Street Aggs Terminal |
4 |
| LWLYSFT |
Lawley Street F.L.T. |
31 |
| LYDCEGB |
Dungeness British Energy |
7 |
| LYDDTWN |
Lydd Town |
7 |
| LYDNEY |
Lydney |
141 |
| LYDNUGL |
Lydney Up Goods Loop |
2 |
| LYEE |
Lye |
74 |
| LYMPSTC |
Lympstone Commando |
55 |
| LYMPSTN |
Lympstone Village |
74 |
| LYNDHRD |
Ashurst New Forest |
90 |
| LYNGRIL |
Llwyngwril |
29 |
| LYNMGBF |
Lynemouth Power Station (GBRf) |
8 |
| LYTHAM |
Lytham |
36 |
| LYTNSHR |
Leytonstone High Road |
142 |
| MACHENQ |
Machen Quarry |
4 |
| MACHFHH |
Machen Quarry (FLHH) |
6 |
| MACLSFD |
Macclesfield |
202 |
| MADEJN |
Madeley Jn (Shropshire) |
129 |
| MADELEY |
Madeley |
671 |
| MAESTER |
Maesteg (Ewenny Road) |
47 |
| MAESTGW |
Maesteg |
52 |
| MAGHNTH |
Maghull North Station |
125 |
| MAGHULL |
Maghull |
125 |
| MAIFDLP |
Mayfield Loop |
1 |
| MAINDEJ |
Maindee East Jn |
410 |
| MAINDNJ |
Maindee North Jn |
113 |
| MAINDWJ |
Maindee West Jn |
498 |
| MALDENM |
Malden Manor |
77 |
| MALRSTG |
Mallerstang |
21 |
| MALTBTH |
Barton Hill S.B. |
45 |
| MALTKKA |
Kirkham Abbey S.B. |
45 |
| MALTON |
Malton |
45 |
| MANE43 |
Manea Sig. M43 |
136 |
| MANE924 |
Manea Sig. Ca924 |
134 |
| MANEA |
Manea |
269 |
| MANNGTR |
Manningtree |
271 |
| MANNTEJ |
Manningtree East Jn |
65 |
| MANNTNJ |
Manningtree North Jn |
45 |
| MANORS |
Manors |
77 |
| MANRPK |
Manor Park |
375 |
| MANTLFF |
Luffenham S.B. |
178 |
| MANTONJ |
Manton Jn |
258 |
| MAR5105 |
Margate Sig. EK5105 |
1 |
| MARCHDS |
March Down R.S. |
11 |
| MARCHUG |
March Up Yard (GBRf) |
13 |
| MARCHUS |
March Up R.S. |
16 |
| MARDEN |
Marden |
152 |
| MARGATE |
Margate |
228 |
| MARLOW |
Marlow |
52 |
| MARPLE |
Marple |
76 |
| MARPLWJ |
Marple Wharf Jn |
186 |
| MARTON |
Marton |
37 |
| MARY10 |
Marylebone 10 Signal |
164 |
| MARYLBN |
London Marylebone |
333 |
| MARYUTS |
Marylebone Up Tunnel Sidings |
2 |
| MASH |
Mountain Ash |
71 |
| MATLCKB |
Matlock Bath |
36 |
| MATLOCK |
Matlock |
38 |
| MAUCHLN |
Mauchline Jn |
39 |
| MAUCLUS |
Mauchline Up Sidings |
1 |
| MAUCM31 |
Mauchline Sig. MM31 |
1 |
| MAXWLPK |
Maxwell Park |
74 |
| MAYBOLE |
Maybole |
29 |
| MAZEH |
Maze Hill |
261 |
| MBRK |
Millbrook (Hants) |
46 |
| MBRKCLJ |
Church Lane Jn |
487 |
| MBRKDE |
Millbrook Dock Entrance |
22 |
| MBRKDX |
Millbrook Dock Exit |
19 |
| MBRKFLT |
Millbrook Hants F.L.T |
3 |
| MBROGBR |
Masborough N&W (GBRf) |
12 |
| MBRONJN |
Masborough Jn |
144 |
| MBROSSJ |
Masborough S.S. Jn |
63 |
| MBROSTY |
Masborough Freight Depot |
19 |
| MCHLDVR |
Micheldever |
426 |
| MCHWGBF |
Marchwood M.O.D. (GBRf) |
8 |
| MCHWMOD |
Marchwood M.O.D. |
4 |
| MCHWOOD |
Marchwood |
15 |
| MCHYNCS |
Machynlleth Carr. Sidings |
16 |
| MCHYNLT |
Machynlleth |
82 |
| MCKLFLD |
Micklefield |
330 |
| MDCLDRJ |
Midcalder Jn |
187 |
| MDLSAYR |
Middlesbro' Dawson Ayrton |
3 |
| MDLSBRO |
Middlesbrough |
359 |
| MDLSFHH |
Middlesbrough (FHH) |
34 |
| MDLSSDG |
Middlesbrough Sidings |
5 |
| MDLSWDK |
Middlesbrough West Dock |
17 |
| MDLW |
Middlewich Loop |
28 |
| MDNHDCS |
Maidenhead Carriage Sidings |
14 |
| MDNHDE |
Maidenhead East Jn |
16 |
| MDNHDRS |
Maidenhead Reversing Sidings |
58 |
| MDNHEAD |
Maidenhead |
984 |
| MDNNWTN |
Maiden Newton |
19 |
| MDTT |
Middleton Towers |
1 |
| MDTTGBR |
Middleton Towers (GBRf) |
8 |
| MDWD |
Middlewood |
26 |
| MEADLAJ |
Meadow Lane Jn |
97 |
| MEADWHL |
Meadowhall |
303 |