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ELR to RailRef Correlation - ELR Codes I
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Signal Fact 20
The first British 4-aspect colour light signals read, from the top: Green, Yellow, Red, Yellow.
This was later changed to Yellow, Green, Yellow, Red so that snow falling on the hood of the bottom yellow aspect did not build up and obscure the red aspect directly above.
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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