The Signalling Record Society
ELR to RailRef Correlation - ELR Codes Q
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Signal Fact 43
Automatic signalling debuted on the North Eastern Railway with the Hall system in 1905.
Named after the inventor, track circuits were employed but the signals were operated by carbonic gas with electrically operated gas valves.
Explanation of column content is here.
| ELR | BR-NR | Line Description | RailRef |
|---|---|---|---|
| QBL | Sheppey Light Railway | SE128 | |
| QDS | yes | Kirkliston Branch | NB133 |
| QLT | yes | Queen's Park LUL | LE001 |
| QUB | Quarry Branch | GW277 | |
| QYB | Quakers Yard Branch | GW454 | |
| QYZ | yes | Quakers Yard & Merthyr Joint Railway | QY001 |