The Signalling Record Society
ELR to RailRef Correlation - ELR Codes X
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Signal Fact 21
In the Sykes’ Lock & Block system, there were usually three vertical iron rods linking each instrument on the block shelf with the lever frame below.
These were referred to as rods S, Y and X in the manufacturer’s literature, spelling the company trade mark “SYX”.
Explanation of column content is here.
| ELR | BR-NR | Line Description | RailRef |
|---|---|---|---|
| XRC | Crossrail Central Section | ||
| XRS | Crossrail South Section | ||
| XTD | yes | Charing Cross - Dover Western Docks | SE001 SE040 |