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ELRRouteSectionRemarks
NABNeath and Brecon LineNeath and Brecon Jn to Onllwyn
NAJ1Neasden South Jn to Ayhno JnNeasden South Jn to Northolt Jn
NAJ2Neasden South Jn to Ayhno JnNortholt Jn to Ashendon Jn
NAJ3Neasden South Jn to Ayhno JnAshendon Jn to Aynho Jn
NAYBrundall Jn to Acle to Great Yarmouth
NBBNew Beckenham Jn to Beckenham Jn
NBEBathgate Branch (formerly)Newbridge Jn to Bathgate
NBKNorth Berwick BranchDrem Jn to North Berwick
NBSNorton Bridge BranchSearchlight Lane Jn to Stone Jn
NBS1Norton Bridge East ChordNorton Bridge Jn to Yarnfield Jn
NCDNorthampton DepotUnderstood to be disused
NCSCourthill LoopCourthill Loop Jn North to Courthill Loop Jn South
NCWWensum CurveWensum Jn to Crown Point Depot
NDE1Portobello Jn to Millerhill South Jn (via former Niddrie North Jn)
NDE2Bilston Glen BranchMillerhill South Jn to Bilston Glen NR boundaryUnderstood to be part closed
NDNNorth Devon LineCrediton to Barnstaple
NEC1Newcastle and Carlisle RailwayKing Edward Bridge South Jn to former Blaydon Jn
NEC2Newcastle and Carlisle Railwayformer Blaydon Jn to Carlisle South Jn
NEKSunderland South Jn to South HyltonTyne & Wear Metro
NEM1North Electrics LineBathgate to Drumgelloch
NEM2North Electrics LineDrumgelloch to High Street
NEM3North Electrics LineHigh Street to former Knightswood South Jn
NEM4North Electrics Lineformer Knightswood South Jn to Knightswood North JnAlso known as Knightswood West Curve
NEM5North Electrics LineKnightswood North Jn to Bowling (former Dunglass Jn)
NEM6North Electrics LineBowling (former Dunglass Jn) to former Dumbarton East Jn
NEM7North Electrics Lineformer Dumbarton East Jn to Helensburgh Central
NEN1Newburn BranchNewcastle West Jn to Elswick
NEWNewquay BranchSt Blazey Jn to Newquay
NFEWest Croydon LineNorwood Fork Jn to Epsom Downs
NGCNetherfield Jn to former Colwick North JnUnderstood to be disused
NGDNewcastle Goods LineCarlisle London Road Jn to Bog Jn
NGJParkside West CurveNewton-le-Willows Jn to Golborne Jn
NGLGuildford New LineHampton Court Jn to Guildford Jn
NHBNewhaven Harbour (or Marine) BranchNewhaven Harbour Jn to Newhaven Harbour
NHMNeville Hill DepotDeparture Sidings Servicing Roads, Flushing Apron
NHM2Neville Hill DepotReception, DMU Standage Sidings, Repair Shed, HST Area
NHM3Neville Hill DepotUp Sidings [Group 1]
NHM4Neville Hill DepotUp Sidings [Group 2]
NJNNeasden CurveNeasden South Jn to Neasden Jn
NKE1New Kew Jn to Kew East JnKew East Jn to New Kew (Regional boundary / COM)
NKE2New Kew Jn to Kew East JnNew Kew Jn to New Kew (Regional boundary / COM)
NKLNorth Kent LineNorth Kent East Jn to Dartford Jn (via Greenwich)
NLFNorwood Jn to Low Fell
NLLNewport Low Level LoopAlexandra Dock Jn to Newport Docks
NLPNewlands LoopNewlands Loop Jn to Newlands JnUnderstood to be disused
NMANuneaton FlyoverNuneton Midland Jn to Nuneton Abbey Jn
NMBNorth Mersey BranchFazakerley Jn to North Mersey GoodsUnderstood to be part closed
NMC1New Mills to CheadleNew Mills South Jn to Heaton Mersey Station JnUnderstood to be part closed
NMC2New Mills to Cheadleformer Cheadle Heath South Jn to former Cheadle Jn
NMHNorthampton to Market HarboroughUnderstood to be part closed
NMLNewport Monmouthshire Loop
NMMSeaforth Connecting LineNorth Mersey Branch Jn to Marsh Lane JnUnderstood to be disused
NMS1New Malden Jn to Fulwell Jn
NMS2Fulwell Jn to Shepperton
NNHNeilston BranchCathcart West Jn to Neilston
NNMWaterloo Loopformer Courtybella Town Dock Jn to Courtybella Unloading Site
NNSBorders RailwayNewcraighall North Jn to Newcraighall South Jn
NOB1Nottingham to BarnetbyNottingham East Jn to Lincoln 32 MP
NOB2Nottingham to BarnetbyLincoln 32 MP to COM Lincoln
NOB3Nottingham to BarnetbyCOM Lincoln to Barnetby
NOCNormanton and Colton Jn LineColton Jn to Altofts Jn
NOENorth Elmham BranchWymondham South Jn to NR boundary
NOG1Nottingham to GranthamNottingham Branch Jn to Netherfield Jn (excl.)
NOG2Nottingham to GranthamNetherfield Jn
NOLWherry LinesNorwich (Thorpe Jn) to Oulton Broad to Lowestoft
NOP1North Lindsey Light RailwayNormanby Park to Roxby (stop board)
NPFNorth Pembrokeshire and Fishguard LineLetterston Jn to Fishguard (NR boundary)
NSAAldershot ChordAldershot Jn South to Aldershot Jn North
NSENewark Crossing CurveNewark South Jn to Newark East Jn
NSNNorthwich South Jn to Northwich Station Jn
NSSNorth Stafford Jn to Stoke Jn
NTEManningtree North CurveManningtree North Jn to Manningtree East Jn
NTLGreenwich Park BranchNunhead Jn to Lewisham Jn (via Lewisham Vale Jn)
NTM1Northampton SidingsNorthampton River Sidings
NTM2Northampton SidingsNorthampton Castle Yard
NTM3Northampton SidingsNorthampton Reception Sidings
NUJ1Nunnery Main Line Jn to Nunnery JnMain Line Jn to ELR change
NUJ2Nunnery Main Line Jn to Nunnery JnELR change to Nunnery Jn
NWENorton North CurveNorton East Jn to Norton West Jn
NWLNewport Waterloo LoopAlexandra Dock Jn to former Courtybella Town Dock Jn
NWNNewport Western LoopEbbw Jn to Park JnAlso known as Western Loop (Cardiff Curve)
NWONuneaton and Water Orton LineNuneaton North Jn to Whitacre Jn
NYDNorwood Yard and Selhurst Depot