The Signalling Record Society
ELR to RailRef Correlation - ELR Codes Q
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Signal Fact 36
Daylight colour light signals were first introduced on the Liverpool Overhead Railway in 1921.
They were also the first to be operated automatically using track circuit detection.
They remained in use until the line closed in 1956.
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 |
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