Engineer's Line References (ELRs)

A (hopefully) comprehensive listing

Codes beginning M

Last update 16 January 2024

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Please select a starting letter from the links below:

ELR Line name Mileages Datum Notes
MAB Mablethorpe Branch 128.07 - 149.43 Kings Cross
MAC Manvers Main Colliery Branch 0.00 - 0.36 Wath Junction
MAC Manchester and Cleethorpes Line see separate portions
MAC1 Dunford Bridge (LM/ER boundary) to Penistone 22.20 - 28.37 Manchester London Road
MAC2 Penistone to Deepcar 29.13 - 33.20 Manchester London Road via Woodhead
MAC3 Deepcar to Cleethorpes 33.20 - 112.40 Manchester London Road via Woodhead
MAD Malton to Driffield Line 0.00 - 19.43 Malton East Junction
MAE Maesycwmmer Branch/Fleur de Lis Branch 10.11 - 10.69 Taff Vale Extension Junction
MAH Manningtree and Harwich Line 59.46 - 71.00 Liverpool Street
MAI Maindee East Loop 41.34 - 41.64 Rotherwas Junction
MAJ Manchester and Allerton Junction Line 6.11 - 34.05 Liverpool Central
MAK Monkland and Kirkintilloch Branch ?? - ?? Line starts at Kirkintilloch Basin
MAL Malmesbury Branch see separate portions
MAL1 Dauntsey Junction to connection from Little Somerford Station 87.63 - 91.18 Paddington via Swindon and Dauntsey
MAL2 Little Somerford to Malmesbury 89.66 - 93.35 Paddington via Swindon and Brinkworth 90.29 - 93.35 formerly 91.18 - 94.24 from Paddington via Swindon and Dauntsey. Line remiled 1933
MAM Maltby Colliery Branch see separate portions
MAM1 Maltby Colliery South Junction to Maltby Colliery 8.67 - 9.30 Brancliffe East Junction via Maltby Colliery Junction (reverse) Later definition
MAM1 Maltby Colliery Branch Junction to mileage change 9.26 - 9.62 Brancliffe East Junction Former definition
MAM2 Maltby Colliery South Junction to Maltby Colliery Bunker 0.00 - 0.43 Maltby Colliery Junction
MAN Mangotsfield South Loop Now MAP
MAN Manton Colliery Branch (Worksop) see separate portions
MAN1 Manton Colliery 0.00 - 0.15 Junction with MAN2
MAN2 Manton Colliery Branch 58.54 - 59.01 Manchester London Road via Woodhead
MAP Mangotsfield South Loop 0.00 - 0.33 Mangotsfield Station Junction Formerly MAN
MAR Marefield to Leicester Line 0.00 - 10.14 Marefield Junction South
MAS Manchester and Sheffield Line 153.73 - 174.01 St Pancras via Leicester and Toton
MAT Mold and Tryddyn Branch see separate portions
MAT1 Mold to Llanfynydd 0.00 - 5.37 Mold & Tryddyn Junction
MAT2 Wrexham & Minera Extension Line 0.00 - 2.67 Brymbo Junction
MAU Mauldslie Branch 0.00 - 1.22 Mauldlie Branch Junction Off Law Junction to Shawfield Colliery Branch
MAV Menstrie to Alve Branch 1.73 - 3.45 Cambus Or from 2.12
MAX Maxwelltown Branch 0.24 - 3.06 Dumfries
MAY Mayfield Branch 0.00 - 1.37 Mayfield Branch Junction It appears that this should be the Manchester Mayfield goods station branch
MBA Marsh Barton Estate Branch 0.00 - 0.22/ 0.24 - 0.46 Marsh Barton Junction/Exeter Railway Junction via Marsh Barton Junction (reverse and reverse count) Formerly MBE
MBB Musselburgh Branch 4.54 - 6.03 Edinburgh Waverley
MBD Melton to Bottesford Branch 20.28 - 34.46 Welham Junction
MBE Marsh Barton Estate Branch Now MBA
MBE Moor Row and Birksbridge Line 2.14 - 3.49 Mire House Junction
MBH Masham Branch 0.00 - 7.45 Melmerby Junction
MBJ Moorbridge Junction to Bulwell North Junction (Bulwell Connecting Line) ?? - ??
MBL Mangotsfield to Bath Line 124.46 - 134.60 Derby
MBN Masborough North Curve 163.07 - 163.70 St Pancras unable to identify at present
MBO Marlborough Branch 70.12 - 75.58 Paddington
MBT Melton and Bottesford Line 20.33 - 21.20 Welham Junction
MBW Middlesbrough and Whitby Line see separate portions
MBW1 Guisborough Junction to Battersby Junction 0.00 - 10.49 Guisborough Junction
MBW2 Battersby Junction to Grosmont Junction 11.61 - 29.66 Picton
MBW3 Grosmont Junction to Whitby 24.44 - 30.62 Rillington Junction
MBY Moss Bay Branch see separate portions
MBY1 Moss Bay Branch 0.00 - 1.43 Harrington Junction Moss Bay branch ( South)
MBY2 Derwent Works Branch 0.00 - 0.48 Branch junction Moss Bay branch (North)
MCB Markham Colliery Branch 6.77 - 7.02 Pleasley Colliery West Junction via Markham Colliery Junction (reverse direction and count)
MCC Mansfield Colliery South 0.00 - 1.00 Datum unknown: presumably branch junction
MCG Maryport and Carlisle Goods Lines 0.00 - 0.41 Currock Junction
MCH Macclesfield and Cheadle Hulme Line 0.00 - 9.37 Cheadle Hulme Junction
MCJ Marylebone to Claydon L&NE Junction see separate portions
MCJ1 Marylebone and Harrow Line 197.05 - 205.78 Manchester London Road
MCJ2 Metropolitan & GC Joint Line (Amersham to Verney Junction) 9.13 - 50.57 Baker Street 9.13 - 25.21 LUL property
MCJ3 Great Central Main Line (Annesley to Quainton Road via Calvert Junction) 69.59 - 161.50 Manchester London Road
MCJ4 Claydon Loop (Calvert Junction to Claydon L&NE Junction) 0.00 - 0.41 Calvert Junction
MCJ5 unknown Manchester London Road
MCL Moorgate to Carlton Junction Line (Midland City Line) 0.00 - 4.06 Moorgate
MCO Manners Colliery Branch 0.00 - 0.59 Manners Colliery Branch Junction
MCS Margam Cripple and Holding Sidings 198.58 - 199.32 Paddington via Stroud
MCY Mosside Colliery Branch 0.00 - 0.61 Mosside Colliery Siding, Bathgate Upper Remainder of branch RCH
MDB Maryport Dock Branch 0.00 - 0.64 Docks Branch Junction
MDC Middlewood Curve 0.00 - 0.32 Middlewood High Level Junction
MDE Mossend East Curve 0.00 - 0.31 Mossend South Junction
MDH Mold to Denbigh Line see separate portions
MDH1 Pen-Y-Ffordd Connecting Line to Chester to Mold Branch 0.00 - 0.31 Pen-Y-Ffordd Junction Formerly PSS1
MDH2 Mold to Denbigh 0.00 - 14.74 Mold
MDI Moor Lane Junction to Marsh (Ditton Brook Iron Works) Branch 0.00 - 1.42 Moor Lane Junction
MDL Manchester Diggle and Leeds Line see separate portions
MDL1 Thornhill LNW Junction to Holbeck East Junction 32.17 - 42.03 Manchester Victoria via Huddersfield
MDL2 Holbeck East Junction to Whitehall West Junction 42.03 - 42.25 Manchester Victoria via Huddersfield Note that the 1967 rebuilding at Leeds makes it difficult to give exact definitions for this line
MDN Mossend North Curve -0.06 - 0.40 Mossend North Junction
MDNX Mossend North Junction 0.00 - 0.06 Mossend North Junction Not in GEOGIS but present in a structure maintenance system
MDT Maiden Lane Depot Line 4.33 - 4.66 Broad Street
MDV Murton And Durham Elvet Line 0.00 - 8.13 Murton Junction
MDW Mossend West Curve 91.08 - 91.50 Carlisle
MDY Maerdy Branch/Rhondda Fach Branch 16.13 - 22.62 Cardiff Bute Road
MDZ Marsh Depot Goods Branch/St Philips Marsh Goods Branch 117.58 - 118.12 Paddington via Box
MEB Moorgate Branch see separate portions
MEB1 Open portion 0.00 - 3.37 Moorgate
MEB2 Closed portion ≈2.60 - 3.34 Moorgate
MED Mile End (Devonshire St) Sidings 1.59 - 2.02 Liverpool Street
MEE Medbourne Branch 0.00 - 3.25 Drayton Junction
MEG Merthyr Goods Branch Now MRG
MEG Marsh East Junction: Grimsby Line Curve 0.00 - 0.14 Marsh East Junction
MEL Meon Valley Line 50.22 - 72.40 Waterloo via Wimbledon, Guildford (reverse) and Tongham
MEN Muirhouse South Junction to Strathbungo Junction (Glasgow Central) see separate portions
MEN1 Muirhouse Central Junction to Eglinton Street Junction 0.19 - 0.70 Muirhouse South Junction
MEN2 Muirhouse South Junction to Muirhouse Central Junction 0.00 - 0.19 Muirhouse South Junction
MEP Methley and Pontefract Line 59.03 - 61.13 Manchester Victoria via Rochdale, Wakefield Kirkgate and Pontefract Monkhill (reverse)
MER Merthyr Branch 0.00 - 6.22 Gelli Tarw Junction 5.70 - 6.22 now 24.19 - 24.51 in CAM
MEW Methley Junction to Whitwood Junction Curve (Castleford) See MEW2
MEW Methley Junction to Whitwood Junction Curve (Castleford) see separate portions
MEW1 Methley Junction 1.12 - 1.16 Whitwood Junction
MEW2 Methley Junction to Whitwood Junction 0.00 - 1.12 Whitwood Junction Originally MEW
MEX Merthyr Extension Line 18.16 - 19.33 Abergavenny Junction
MEY Mellis to Eye Line 0.00 - 2.73/ 91.33 - 94.26 Liverpool Street
MEZ Merthyr Low Level Loop 0.00 - 0.19 Ynysfach Loop Junction
MFB Maud to Fraserburgh Branch 31.03 - 47.23 Aberdeen
MFD Mansfield Line see separate portions
MFD1 Kirkby South Junction to Mansfield Colliery end on junction with CEM 0.00 - 6.32 Kirkby South Junction
MFD2 Mansfield South Junction to Rolleston Junction 139.68 - 154.47 St Pancras via Corby and Newstead
MFD3 Mansfield Colliery Branch 142.22 - 144.06 St Pancras via Corby and Newstead
MFN Milfraen Branch 2.07 - 2.52 Brynmawr Waenavon Station to Milfraen Colliery
MGB Monkseaton Goods Branch ?? - ??
MGE Milngavie Branch 6.19 - 9.35 Glasgow Queen Street High Level via Maryhill
MGS Meikleriggs Branch 0.00 - 0.60 Meikleriggs Branch Junction South of Paisley, Chain Road, Caledonian Railway
MGW Milford Curve 6.12 - 7.65 Selby South Junction
MGY Middlesbrough Goods Yard 0.00 - ≈1.34 Newport East Junction
MGZ Gilbertsons Branch 7.51 - 7.66 Swansea St Thomas Station
MHB Hadfields Branch 0.00 - 0.28 Hadfield's Branch Junction On Sheffield District Railway between West Tinsley and Brightside Junction
MHE Millerhill Junction to Millerhill Yard Junction Line 0.50 - 0.71
MHH Morecambe and Heysham Branch 0.00 - 4.25 Morecambe Junction
MHL Millerhill Branch see separate portions
MHL1 Wanton Walls to Monktonhall Junction 5.60 - 6.12 Haymarket Central Junction Millerhill West Junction to Millerhill South Junction
MHL2 Millerhill South Junction to Wanton Walls 0.28 - 1.40 Millerhill South Junction
MHL3 Millerhill East Junction to Millerhill Yard 0.00 - 0.75 Millerhill East Junction
MHL4 Millerhill EMU depot 0.00 - 0.49 Newcraighall East Junction
MHS Mirehouse and Sellafield Line 0.00 - 9.44 Mire House Junction
MHY Millerhill Yard Lines 6.30 - 7.08 Haymarket Central Junction
MIA Manchester International Airport Rail Link Line 0.00 - 1.51 Manchester Airport Station
MIA2 unknown 0.00 - 3.22 unknown Not in GEOGIS but present in a structure maintenance system
MIB Montrose to Inverbervie Branch 30.69 - 43.10 Dundee Tay Bridge
MID Middleton Branch 5.19 - 6.21 Manchester Victoria
MIH Mirfield to Huddersfield Line 190.21 - 194.58/ 0.00 - 4.37 St Pancras/Mirfield Junction
MII Mistley Incline 0.00 - 0.60 Mistley Junction
MIK Micklehurst Line 8.04 - 14.69 Manchester Victoria
MIL Milford Haven Branch/Old Milford Branch 280.70 - 284.71 Paddington via Stroud
MIN Minehead Branch 164.60 - 187.76 Paddington via Box
MIN1 Minehead Branch Turning Triangle 165.20 - 165.42 Paddington via Box
MIR Mersey Loop Line see separate portions
MIR1 Mann Island Junction to Mann Island Junction (Liverpool Loop Line) 0.00 - 2.21 Mann Island Junction via Moorfields
MIR2 Mann Island Junction to Rock Ferry Station 0.69 - 3.46 Liverpool Central Low Level
MIS Millbrook to Southampton Western Docks Branch 79.78 - 81.59 Waterloo
MIS Minsterley Branch ?? - 5.50 - ?? Shropshire
MIT Middleton Towers Branch (Kings Lynn) 0.22 - 3.44 Kings Lynn Junction Line runs to Dereham as MTD
MJB Bude Branch 199.78 - 228.25 Waterloo
MJD Marsh Junction Depot (Down Side) 0.21 - 0.44 North Somerset Junction
MJI Madeley Junction to Ironbridge Line see separate portions
MJI1 Madeley Junction to Lightmoor Junction 156.19 - 160.16 Paddington via Oxford and Birmingham Snow Hill
MJI2 Ketley Junction to Ironbridge via Lightmoor Junction 160.01 - 166.63 Paddington via Didcot, Charlbury and Buildwas East Junction (reverse)
MJR Morlais Junction to Rhydycar Junction 18.75 - 23.56 Brecon
MJS Melbourne Junction and Sinfin Branch see separate portions
MJS1 Melbourne Junction to Chellaston East Junction 127.27 - 131.15 St Pancras via Trent Junction, Sheet Stores Junction, Chellaston East Junction and Melbourne Junction
MJS2 Ashby-de-la-Zouch to Chellaston East Junction 0.00 - 10.72 Ashby-de-la-Zouch
MJT Mansfield Junction to Trowell Junction Line see separate portions
MJT1 Mansfield Junction to Radford Junction 124.22 - 125.56 St Pancras via Corby
MJT2 Radford Junction to Trowell Junction 125.56 - 130.56 St Pancras via Corby
MJU Marsh Junction Depot (Up Side) 0.17 - 0.64 North Somerset Junction
MJW Mitcham Junction to Wimbledon Line 0.00 - 2.78 Wimbledon
MKB Monk Bretton Branch see separate portions
MKB1 Cudworth North Junction to Cudworth West Junction 0.00 - 0.34 Cudworth West Junction
MKB2 Cudworth West Junction to Monk Bretton 175.72 - 176.38 St Pancras via Leicester, Toton and Barrow Hill
MKK Muirkirk Branch 47.56 - 58.11 Bridge Street Junction via Dalry
MKT Market Drayton Branch 161.67 - 188.66 Paddington via Didcot
MLA Maryhill Park Junction to Anniesland Line 4.62 - 5.51 High Street via Hyndland original measure
MLA Maryhill Park Junction to Anniesland Line 0.00 - 0.73 Maryhill Park Junction current measure
MLD Mouldron Branch 0.00 - ?? branch junction
MLE Millerhill East Curve 0.09 - 0.28 Millerhill Yard ??
MLF Manuel Fork 0.00 - 0.58 Almond Junction
MLG Mallaig Line see separate portions
MLG1 Fort William Junction to Banavie Junction -0.10 - 1.27 Fort William Junction
MLG2 Banavie Junction to Mallaig 0.00 - 39.39 Banavie Junction
MLK Mawcarse to Ladybank (Fife and Kinross) Branch 0.00 - 15.00 Kinross
MLL Moss Lane Junction to Lostock Hall Engine Shed Junction (Walton to Preston) Line 24.63 - 25.36 Liverpool Exchange
MLN Hackney Yard 213.24 - 213.70 Paddington via Box
MLN Main Line (Paddington to Penzance via Bath) see separate portions
MLN1 Paddington to North Road Junction 0.00 - 246.29 Paddington via Box
MLN2 Cornwall Loop Junction to St Germans 247.28 - 256.38 Paddington via Box and Plymouth Millbay (reverse)
MLN3 St Germans to mileage change point east of Chacewater 256.40 - 305.65 Paddington via Box and Plymouth Millbay (reverse)
MLN4 Mileage change point east of Chacewater to Penzance 305.67 - 326.50 Paddington via Box and Plymouth Millbay (reverse)
MLN5 Plymouth North Road to Millbay station 246.08 - 246.64 Paddington 246.64 (Millbay station) - 247.22 doubled
MLN6 Bristol Temple Meads Old Station 118.16 - 118.39 Paddington
MLN7 Plymouth North Road west side of triangle 247.22 - 247.42 Paddington via Box and Plymouth Millbay (reverse)
MLP Middlemuir Loop 0.00 - 0.33 Woodley junction
MLS Margam Loco and Sorting Sidings 198.34 - 199.30 Paddington via Stroud
MLT Moat Lane Junction to Talyllyn 52.18 - 108.27 Whitchurch Cambrian Junction via Oswestry
MLY Millerhill Yard 0.20 - 0.52 ?? Millerhill East Junction ?? Possibly 5.21 - 5.53 from Edinburgh Waverley
MMB Mynydd Mawr Branch/Llanelly & Mynydd Mawr Line 0.00 - 12.35/ 0.23 - 12.01 Mynydd Mawr Stages/Llanelly Low Level Junction
MMC Markham Main Colliery Branch 0.00 - 0.61 Markham Colliery Junction
MMH Middlesbrough Marsh Line see separate portions
MMH1 Middlesbrough Marsh Branch 0.00 - 0.56 Marsh Branch Junction
MMH2 Middlesbrough Marsh Branch And Old Town Branch Loop 0.41 - 1.16 Marsh Branch Junction
MML Mynydd Mawr Loop 0.00 - 0.23 Llanelly Low Level Junction
MMP March Motive Power Depot 86.19 - 86.45 Liverpool Street via Clapton and Ely
MMR March to Magdalen Road Line ?? - ?? Duplicates WIG?
MMW Moira West Junction to Shackerstone Now AMS
MMZ Maes-y-Marchog Branch 0.00 - 1.59 Onllywn Junction
MNB Methven Branch 4.61 - 6.03 Almond Valley Junction
MNC Monckton Main Colliery Branch 0.00 - 1.03 Cudworth (Yard) North Junction A new line opened from this box at 51.29 on Hull & Barnsley Line on 1 June 1958
MNG Morningside Branch 0.00 - 13.44 Polkemmet Junction
MNL Mid Notts Joint Line 0.00 - 7.72 Farnsfield Junction
MOA Mountain Ash deviation 0.00 - 0.38 south end of deviation
MOB Moretonhampstead Branch 0.14 - 12.34 Newton Abbot
MOD MOD Chilmark Branch 91.72 - 93.41 ± private sidings Waterloo
MOF Muir of Ord to Fortrose (Black Isle) Branch 0.12 - 13.45 Muir of Ord
MOL Motherwell Old Line ?? - ?? Location uncertain
MON Monkland Branch ?? - ?? See also MLP, CME, MAK
MOO Moorfields Branch 0.00 - 0.37 Moorfields Junction
MOR Morriston Branch 0.00 - 3.29 Haford Junction Formerly 0.00 - 3.21; junction moved and line remiled 1964
MOS Mossend Branch ?? - ??
MOT Moffat Branch (Beatock to Moffat) ?? - ??
MOU Mountain Branch/Crosshands Branch 0.00 - 4.03 Mountain Branch Junction
MOW Mowbray Branch 0.00 - 0.58 Eskett Junction
MPC Motspur Park and Chessington Branch 10.11 - 14.32 Waterloo
MPM Moffat Paper Mill Branch 0.00 - 1.23 Springbank Quarry Junction, Clarkston (Lanark)
MPR Miles Platting and Rochdale Line see separate portions
MPR1 Miles Platting to Thorpes Bridge Junction 1.30 - 2.17 Manchester Victoria
MPR2 Thorpes Bridge Junction to Oldham Werneth Junction 2.14 - 6.15 Manchester Victoria
MPR3 Oldham Werneth Junction to Rochdale 6.15 - 14.27 Manchester Victoria via Dean Lane
MPR4 Middleton Junction to Oldham Werneth Junction 5.24 - 6.68 Manchester Victoria via Moston
MPT Merton Park to Tooting Line 3.56 - 5.51 Streatham South Junction via Wimbledon/Merton Park
MRB Milner Royd Junction and Bradford Interchange Line 29.20 - 40.41 Manchester Victoria via Rochdale
MRC Moor Row Junction to Corkickle Branch 72.72 - 73.73 Carnforth Parallels CBC1
MRG Merthyr Goods Branch 23.62 - 24.28 Cardiff Bute Road Formerly MEG
MRH Macclesfield and Rose Hill Marple Branch 0.00 - 11.02 Macclesfield
MRJ Margam Moors Junction 198.64 - 199.20 Paddington via Stroud
MRL Maryhill Line (Westerton to Cowlairs West Junction) see separate portions
MRL1 Maryhill Park Junction to Cowlairs West Junction 5.51 - 8.26 High Street via Hyndland
MRL2 Maryhill Park Junction to Knightswood North Junction 4.40 - 5.67 Glasgow Queen Street High Level
MSB Murrow to Sutton Bridge Line ?? - 14.61 - 26.18 - ?? Duplicates PMY1?
MSC Masborough South Curve 161.50 - 161.72 St Pancras via Chesterfield and Treeton
MSD Manchester South District Railway see separate portions
MSD1 Heaton Mersey Station Junction to Heaton Mersey East Junction 0.00 - 0.66 Heaton Mersey Station Junction
MSD2 Heaton Mersey Station Junction to Chorlton Junction 182.22 - 185.54 St Pancras
MSG March and Spalding Line see separate portions
MSG1 Whitemoor Junction to Grassmoor Junction 86.20 - 87.05 Liverpool Street via Clapton and Ely
MSG2 Grassmoor Junction to former Regional Boundary 25.63 - 26.63 Huntingdon South Junction via St Ives (reverse)
MSG3 Former Regional boundary to Spalding 26.63 - 44.07 Huntingdon South Junction via St Ives (reverse)
MSK Misk Branch 0.00 - 0.57 Misk Branch Junction
MSL Birmingham Moor Street Line 128.53 - 128.70 Paddington via Didcot
MSM Morecambe South Junction and Morecambe Branch 0.00 - 2.50 Morecambe South Junction
MSN Marston Branches see separate portions
MSN1 Marston Branch 0.00 - 1.66 Northwich East Junction Also known as Salt Branch No 1
MSN2 Marston Branch No 2 0.00 - 0.46 Wincham Lane Junction Also known as Salt Branch No 2
MSN3 Marston Branch No 3 0.00 - 0.70 Northwich Central Junction Also known as Salt Branch No 3
MSR Mossend Spur ?? - ??
MSS Misson Branch 147.67 - 155.48/ 0.00 - 7.61 Haxey
MST Mosley Street Branch 0.00 - 0.28 Mosley Street Branch Junction
MSV Morriston and Swansea Vale Branch 1.34 - 6.23 Swansea St Thomas Station
MSW Minster South to Minster West Curve 81.67 - 82.21 Charing Cross via Chelsfield and Canterbury West
MSZ Moreton & Shipston Tramway/Shipston-On-Stour Branch 91.49 - 100.56 Paddington via Didcot and Charlbury
MTA Merthyr Tredegar and Abergavenny Line 0.00 - 18.16 Abergavenny Junction 13.74 - 15.31 = part RRZ 25.26 - 26.63 ex Cardiff East Dock
MTD Middleton Towers to Dereham line 3.44 - ≈26.44 King's Lynn Junction Continuation of MIT
MTE Menstrie Branch (Stirling) 0.00 - 3.45 Cambus
MTJ Mickle Trafford Junctions see separate portions
MTJ1 Up/Down Warrington Line 0.00 - 0.15 Mickle Trafford Junction
MTJ2 Up/Down Passenger Line 35.24 - 35.41 Manchester Central
MTK Melmerby And Thirsk Line 31.43 - 37.47 Leeds Wortley Junction via Pannal Junction and Starbeck avoiding Harrogate
MTL Methil Docks Branch (Glenrothes) see separate portions
MTL1 Thornton North Junction to East Fife Central Junction 0.11 - 4.65/ 0.11 - 6.01 Thornton North Junction
MTL2 East Fife Central Junction to Methil Boundary 5.09 - 7.34 Thornton West Junction via Wemyss Castle
MTM Meltham Branch 0.00 - 3.43/ 1.39 - 5.02 Meltham Junction/Huddersfield station
MTN Morton Branch 0.00 - 1.68 Morton Branch Junction
MTY Minsterley Branch 0.00 - 4.53 Cruckmeole Junction
MUP March Up and Down Yards 85.30 - 85.66 Liverpool Street via Clapton and Ely
MVB Manchester Victoria and Bury Line see separate portions
MVB1 Manchester Victoria to Queens Road Junction 0.00 - 1.38 Manchester Victoria via Collyhurst Tunnel
MVB2 Queens Road Junction to Radcliffe North Junction 1.21 - 7.65 Manchester Victoria via Cheetham Hill Junction
MVB3 Radcliffe North Junction to Bury Loco Junction 7.65 - 8.63 Manchester Victoria via Cheetham Hill Junction
MVB4 Bury Loco Junction to Bury Loop Junction 8.63 - 9.73 Manchester Victoria via Cheetham Hill Junction
MVC Manvers Main Colliery Branch (Midland) 0.00 - 0.04 Manvers Main Colliery Junction also listed 169.08 - 169.10
MVE Manchester Victoria and Euxton Junction Line see separate portions
MVE1 Manchester Victoria to Bolton 0.00 - 10.40 Manchester Victoria
MVE2 Bolton to Euxton Junction 10.40 - 25.31 Manchester Victoria
MVL Manchester Victoria and Huddersfield Line see separate portions
MVL1 Miles Platting to Stalybridge Junction 1.30 - 7.46 Manchester Victoria
MVL2 Stalybridge Junction to Stalybridge Station 7.46 - 7.74 Manchester Victoria
MVL3 Stalybridge Station to Heaton Lodge Junction 7.74 - 29.45 Manchester Victoria via Stalybridge
MVL4 Heaton Lodge South Junction (formerly Heckmondwike Junction) to Heaton Lodge East Junction 28.78 - 29.74 Manchester Victoria via Stalybridge
MVL5 new route 28.78 - 29.34 Manchester Victoria via Stalybridge exact definition unknown
MVM Manchester Victoria and Miles Platting Line 0.00 - 1.30 Manchester Victoria
MVN Manchester Victoria and Normanton Line see separate portions
MVN1 Manchester Victoria to Thorpes Bridge Junction 0.09 - 2.31 Manchester Victoria
MVN2 Thorpes Bridge Junction to Normanton 2.17 - 50.31 Manchester Victoria via Rochdale
MVR Manifold Valley Light Railway 0.00 - 8.15 Waterhouses
MVY Moss Valley Branch 0.70 - 2.62 Croes Newydd North Fork Junction
MVZ Merthyr Vale Branch 0.00 - 0.24 Merthyr Vale Junction
MWA Milton West Junction to Asfordby Junction Line ?? - ??
MWB Marlow Branch 0.00 - 2.61 Bourne End
MWC Mouldsworth and Helsby West Cheshire Junction Branch 31.05 - 34.77 Manchester Central
MWD Market Weighton and Driffield Line 0.00 - 13.15 Market Weighton East Junction
MWF Mossend West Fork 0.00 - 0.39 Mossend West Junction
MWJ Marcheys House Junction to Winning Crossing Junction Curve 0.00 - 0.31 Marcheys House Junction
MWL March West Line 0.00 - 0.13 March West Junction
MWM Middlesbrough West Marsh Line 0.00 - 0.36 junction with MMH1
MWN Grimsby Dock Branch 107.69 - 110.10 Manchester London Road via Woodhead
MWT Margam West Curve 0.00 - 0.33 Copper Works Junction
MWY Mwyndy Branch/Brofiscin Branch 0.00 - 2.63 Mwyndy Junction Formerly 0.47 - 3.30 ex Llantrisant Junction
MWZ Monds Works Loop 0.00 - 0.13 Mond Works Junction
MYB Merrybent Branch 0.00 - 5.68 Merybent Junction
MYC Midland Yard Junction to Canal Farm Junction (Nuneaton North Chord) 0.00 - 0.69 Midland Yard Junction
MYD Millerhill Junction to Millerhill Yard Junction Line 0.00 - 0.71 Millerhill Junction = MHE??
MYL Margam Yard Line 197.41 - 199.31 Paddington via Stroud
MYO Mossend Down Yard Now ZZD1
MYP Mossend Up Yard Now ZZC9
MYS Meadows Yard to Seafield Line ?? - ?? Edinburgh area
MYT Maryport Elizabeth Dock Line 0.00 - 0.56 Maryport Junction
MYW Ministry of Works (Westerleigh East) Loop 106.43 - 107.04 Paddington Formerly WLE