The Signalling Record Society
ELR to RailRef Correlation - ELR Codes N
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Signal Fact 15
E A Cowper invented the railway detonator in 1841. Used to protect trains that had come to a stand unexpectedly.
First adopted by the Great Western Railway, the other companies soon followed suit.
Detonators are still used today.
Explanation of column content is here.
| ELR | BR-NR | Line Description | RailRef |
|---|---|---|---|
| NAB | yes | Neath & Brecon Line | NH001 |
| NAC | yes | Newton - Carmyle (Glasgow) | |
| NAI | Nailsworth Branch | MR296 | |
| NAJ | yes | Neasden South to Aynho Junction | GC004 GC050 GW731 |
| NAL | Northolt and Ashendon Line. Now NAJ2. | ||
| NAN | Nantgarw Branch | TV048 CF001 |
|
| NAT | yes | Nantle Tramway | NW518 NW519 |
| NAV | yes | Viaduct Junction - North Acton | GW033 |
| NAY | yes | Brundall Junction - Great Yarmouth | GE140 |
| NBB | yes | New Beckenham Junction - Beckenham Junction | SE008 |
| NBE | yes | Bathgate Junction - Bathgate | NB200 |
| NBK | yes | North Berwick Branch | NB007 |
| NBN | Newbiggin Branch | NE707 | |
| NBS | yes | Norton Bridge - Stone | NS002 |
| NBZ | Patent Nut and Bolt Company's Works Line | GW509 | |
| NCD | yes | Northampton CMD | NW153 |
| NCL | yes | North Cornwall Line | |
| NCM | yes | Newark Curve | GN133 |
| NCP | yes | Northamton Castle - Peterborough Bay | NW122 |
| NCS | yes | Courthill Loop | SE023 |
| NCW | yes | Norwich, Wensum Curve | GE122 |
| NCZ | North Crofty Branch | GW353 | |
| NDC | yes | Northumberland Central Line | NB047 |
| NDE | yes | Niddrie North Junction to Bilston Glen Branch | NB060 NB080 NB076 |
| NDK | Northumberland Dock Branch | NE694 | |
| NDL | yes | Didcot - Newbury | GW087 |
| NDN | yes | North Devon Line | SW151 SW152 |
| NDO | North Docks Branch | LY191 | |
| NDP | Niddrie West Loop | NB017 | |
| NDR | Niddrie East Loop | NB016 | |
| NDW | Niddrie West | NB093 | |
| NDZ | North Dock Line (Swansea). Now SND. | ||
| NEB | Neath Canalside Branch | RS026 | |
| NEC | yes | Newcastle & Carlisle Line | NE650 NE430 CJ002 |
| NEK | Sunderland to South Hylton | NE380 | |
| NEL | Neath Loop/Jersey Marine North Loop | RS030 | |
| NEM | Newham Branch. Now NWM. | ||
| NEM | yes | North Electric Main Line | NB240 NB240 NB350 NB370 NB374 NB418 NB425 CA380 DB001 NB437 |
| NEN | yes | Newburn Branch | NE430 NE432 |
| NET | Nethertown Branch | GW759 | |
| NEW | yes | Newquay Line | GW310 |
| NEZ | Nelson Goods Branch | ||
| NFD | yes | Newfields Branch | NS055 |
| NFE | yes | Norwood Junction - Epsom Downs | LB060 LB065 |
| NFK | Newhaven Fork | CA124 | |
| NFT | SE036 | ||
| NGC | yes | Netherfield Junction - Colwick North - Gedling Colliery | GN163 |
| NGD | yes | Carlisle, Newcastle Goods Lines, London Road Junction - Bog Junction | |
| NGJ | yes | Parkside West Curve | NW551 |
| NGL | yes | Guildford New Line | SW016 SW016a |
| NGS | Nottingham Goods Station Line | NW168 | |
| NHB | yes | Newhaven Harbour Branch | LB125 |
| NHK | New Hucknall Branch | GC056 | |
| NHL | Nottingham High Level Line | GN166 | |
| NHM | yes | Neville Hill Depot & Sidings | NE020 |
| NHP | New Holland Pier | GC150 | |
| NHR | Newquay Harbour Line | ||
| NHS | yes | Airdrie & Newhouse Branch | CA184 CA342 |
| NHT | NHT1 Blackwell North - Blackwell East NHT2 Blackwell East - New Hucknell |
MR740 MR739 |
|
| NJD | Norwood Junction to Dunston East Line | NE654 | |
| NJM | Needingworth Junction to March | JN010 | |
| NJN | yes | Neasden Curve | GC003 |
| NJS | Norwood Spur Junction - Norwood North Junction | LB048 | |
| NKE | yes | New Kew Junction - Kew East Junction | SW039 |
| NKL | yes | North Kent Line | SE020 |
| NLB | North Leith Branch | CA122 | |
| NLC | yes | North Lancashire Loop | LY275 |
| NLF | yes | Norwood Junction - Low Fell | NE425 |
| NLG | North Linrigg Branch | CA192 | |
| NLI | yes | North London Incline | |
| NLL | yes | Newport Low Level Loop | AD011 |
| NLN | yes | Nelson Branch (Pontyoridd) | TV025 |
| NLO | Newport Low Level Loop No. 1 | ||
| NLP | yes | Newlands Loop | PT032 |
| NLS | Newark Lowfield Sidings | GN147 | |
| NLZ | Llanelly Dock North Side | GW636 | |
| NMA | yes | Nuneaton Flyover (Nuneaton Midland Junction - Nuneaton Abbey Junction) See NSA |
MR234 |
| NMB | yes | North Mersey Branch | LY166 |
| NMC | yes | New Mills and Cheadle Branch | MR520 MR522 |
| NMD | yes | North Monkland Branch | NB300 |
| NMH | yes | Northampton - Market Harborough | NW124 NW151 |
| NML | Newport Monmouthshire Loop | AD010 | |
| NMM | yes | North Mersey Branch - Marsh Lane Junction | LY167 |
| NMP | Nine Mile Point Branch | GW519 | |
| NMS | yes | New Malden - Shepperton | SW014 SW040 |
| NNH | yes | Neilston Branch | CA320 |
| NNL | Northolt and Neasden Line. Now NAJ1. | ||
| NNM | yes | Newport Neutral Mile | GW490 |
| NOB | yes | Nottingham and Barnetby Line | MR610 MR614 JN034 MR610 GC180 |
| NOC | yes | Normanton and Colton Junction Line | NE180 NE150 |
| NOD | Newport Old Dock Branch/Pillgwenlly Branch | GW492 | |
| NOE | yes | North Elmham Branch | GE130 |
| NOG | yes | Nottingham to Grantham Line | GN140 GN160 MR611c |
| NOL | yes | Norwich - Oulton Broad - Lowestoft | GE140 GE141 GE142 |
| NOP | yes | Normanby Park Branch | GC191 |
| NOR | yes | Norton Branch | NW400 NW402 |
| NOS | yes | Stockton North Shore Branch | NE553 |
| NOY | Normanby Line | NE531 | |
| NPB | yes | Ilford - Newbury Park | GE192 |
| NPF | yes | North Pembrokeshire & Fishguard Line | GW670 |
| NPT | Nellie Pit Branch | NB642 | |
| NPW | yes | Wolverton - Newport Pagnell | NW125 |
| NQB | North Queensferry Branch | NB484 | |
| NQY | GW284 | ||
| NSA | yes | Aldershot, South - North | |
| NSA | yes | Nuneaton South Junction - Abbey Junction. Now NMA and PVS. | |
| NSB | Netherseal Branch | MR184 | |
| NSE | yes | Newark Crossing Curve | GN134 |
| NSM | yes | Norwich City - Sheringham | MG020 MG030 |
| NSN | Nelson Branch. Now NLN. | ||
| NSN | yes | Northwich, South - West | NW741 |
| NSR | yes | Nottingham Suburban Railway | GN165 |
| NSS | yes | North Stafford Junction - Stoke on Trent | NS010 |
| NSW | Arkwright Curve | MR784 | |
| NSZ | Nettlefolds Siding | BM035 | |
| NTB | New Tredegar Branch | RR011 | |
| NTD | Newport Town Dock | GW496 GW495 |
|
| NTE | yes | Manningtree, North - East | GE251 |
| NTG | Newtyle Goods Branch | CA555 | |
| NTH | yes | Netherton - Halesowen | |
| NTL | yes | Nunhead Junction - Lewisham Junction | SE113 SE114 |
| NTM | yes | Northampton Sidings | NW123 |
| NTN | yes | Netherton Basin Branch | |
| NUG | Nunnery Goods Branch | NW847 | |
| NUJ | yes | Nunnery Junction to Woodburn Junction Curve | MR822 GC360 |
| NVB | yes | Nidd Valley Branch | NE474 |
| NWC | Newton - Carmyle | CA283 | |
| NWE | yes | Norton, West - East | NE555 |
| NWL | yes | Newport Waterloo Loop | AD012 |
| NWM | Newham Branch | GW339 | |
| NWN | Newport Western Loop | GW521 | |
| NWO | yes | Nuneaton - Whitacre Junction | MR234 MR235 |
| NWS | yes | Northampton Welding School | MR084 |
| NWT | yes | Newbury - Winchester | GW089 SW071 |
| NYC | yes | North Yorkshire and Cleveland Line | NE500 |
| NYD | yes | Norwood Yard & Selhurst Depot | LB008 |
| NYZ | Neath Yard Line | NH004 |
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