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ELR to RailRef Correlation - ELR Codes I
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Signal Fact 73
The first installetion of the Sykes Lock & Block system was at Cambria Junction on the London, Chatham & Dover Railway in May 1876.
The Lock & Block system was used by that railway and also by the London, Brighton & South Coast Railway, the South Eastern Railway and the Great Eastern Railway.
Away from the London area, the system was used by the Hull & Barnsley Railway.
Explanation of column content is here.
| ELR | BR-NR | Line Description | RailRef |
|---|---|---|---|
| IAO | yes | Island Road Loop | FN045 |
| IBB | Inkerman Brickworks | CA326 | |
| ICI | yes | Callerton ICI Branch | NE731 NE680 NE686 NE683 |
| ICS | yes | Ilford Car Sheds | GE007 |
| IGD | yes | Ince Moss Junction - Red Rock Goods | NW570 |
| IGE | yes | Inverkeithing North Curve | NB581 |
| IGL | Ingliston Branch | CA499 | |
| IGN | Invergordon Harbour Branch | HR026 | |
| IHB | Irvine Harbour Branch | GS136 | |
| IKT | Ilkeston Town Branch | MR719 | |
| ILF | yes | Ilfracombe Branch | SW151 |
| ILK | yes | Ilkley Branch | MR900 OI002 |
| IMB | Muirtown Branch | HR022 | |
| IMD | yes | Macduff Branch | GO005 |
| IMG | yes | Ince Moss Goods Lines | NW681 |
| IMS | yes | Imminham Storage Company | GC154 |
| INC | Ilkeston North Curve | MR720 | |
| ING | Ingliston Branch | NB134 | |
| INL | yes | Ingleton Branch | NW897 |
| INN | yes | Ingleton Branch | MR911 |
| INS | yes | Inverness Harbour Branch | HR007 |
| INW | yes | Immingham Dock North West Entrance | GC157 |
| IOW | yes | Ryde Pier Head - Shanklin | IC010 |
| IPD | yes | Ipswich Dock | |
| IRE | yes | Irvine Depot Branch | GS092 |
| IRM | Old Meldrum Branch | GO004 | |
| IRR | Ipswich Ranleigh Road Depot | GE244 | |
| ISC | yes | Isabella Colliery Branch | NE702 NE704 |
| ISL | Certain lines near St Pancras | ||
| ITB | Imperial Tube Works Branch | CA345 | |
| ITW | Rosehall Junction - Cairnhill Junction | CA341 | |
| IUP | yes | Ipswich Upper Yard | GE246 |
| IVB | Inchture Village Branch | CA541 | |
| IWB | Bembridge Branch | IW011 | |
| IWC | Cowes Branch | IC001 | |
| IWF | Freshwater Branch | IF001 | |
| IWM | Merstone to Sandown Branch | IC003 | |
| IWR | Newport to Smallbrook Junction Branch | IC001 | |
| IWS | Shanklin to Ventnor Branch | IC010 | |
| IWV | yes | Newport - Ventnor West | IC002 |
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