The Signalling Record Society
ELR to RailRef Correlation - ELR Codes O
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Signal Fact 60
The Great Central Railway installed a Reliostop system in 1915.
It was designed to stop a train if the driver passed a signal at danger.
Explanation of column content is here.
| ELR | BR-NR | Line Description | RailRef |
|---|---|---|---|
| OAG | yes | Oldham - Ashton | OG003 OG001 |
| OAJ | yes | Oakenshaw South Junction - Oakenshaw Junction | LY343 |
| OAU | Audenshaw Junction to Canal Junction | OG005 | |
| OAW | yes | Over & Warton Branch | NW531 |
| OBA | yes | Oban Branch | CA520 CA521 |
| OBN | yes | Oban Line | NB462 CA521 |
| OBS | Oakbank Branch | CA061 | |
| OCB | Ollerton Colliery Branch | ||
| OCL | yes | Orchardhall Branch | CA503 |
| OCR | Oakley Branch | NB611 | |
| OCZ | Old Carway Branch | BP002 | |
| ODT | Middlesbrough Old Town Branch | NE517 | |
| OFB | Fochabers Branch | HR015 | |
| OGD | Gifford Branch | NB012 | |
| OGI | Ogilvie Colliery Branch | BM023 | |
| OGM | yes | Ogmore Valley Branch | GW562 GW565 |
| OJS | yes | Otford Junction - Sevenoaks Junction | SE122 |
| OJW | yes | Oakmoor Junction - Oakmoor Wharf | NS023 |
| OLC | Ollerton Colliery Branch Mid Notts | ||
| OLD | yes | Oldbury Branch | GW753 |
| OLL | yes | Ordsall Lane to Liverpool Line | NW623 NW624 |
| OLM | yes | Oldham Branch | NW812 |
| OLW | yes | Windsor Link | NW621 |
| OME | Olive Mount to Edge Hill Line | NW608 NW603 NW633 |
|
| OMI | Omoa Branch | CA174 | |
| OMO | Silverburn Branch | CA175 | |
| ONJ | Oxford North Junction | ||
| OOC | Old Oak Common Yards | ||
| OON | yes | Barnsley Coal Railway (Starfoot - Nostell) | GC290 |
| OOS | yes | Old Oak Sidings, Willesden | NW100 |
| OPM | Berryards Branch | CA456 | |
| ORD | High Level Goods Loop | LY034 | |
| ORG | yes | Oldham Road Goods Branch | LY032 |
| ORI | Oldham Road St Georges Incline | LY033 | |
| OSC | yes | Oakenshaw South Junction - Crofton East Junction | LY346 |
| OSL | Oulton Broad South to Lowestoft South Line | GE273 GE274 |
|
| OSN | Oakwell Junction to Stairfoot North Line | GC291 | |
| OTB | Otley and Ilkley Joint Line | OI001 | |
| OTL | yes | Otley - Bramhope | NE456 |
| OVE | yes | Ogmore Vale Extension Line | PT030 |
| OWW | yes | Oxford, Worcester & Wolverhampton Railway | GW GW690 GW710 GW720 GW780 |
| OXC | yes | Stafford Road Junction - Bushbury Oxley Junction (Oxley Chord) | GW768 |
| OXD | yes | Oxford Branch (Bletchley Bay Platform - Oxford North Junction) | NW130 |
| OXO | yes | Oxcroft Open Cast Branch | MR788 |
| OXW | yes | Windermere Branch | NW896 |
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