Tunnel terminology
Tunnel terminology
| 1 | Shaft eye | 6 | Refuge |
| 2 | Crown | 7 | Catchpit |
| 3 | Haunch | 8 | Formation |
| 4 | Springing | 9 | Drain |
| 5 | Sidewall | 10 | Invert |
Click here to download a PDF version of this diagram
On this day in 1844, 181 years ago, four miners died in Scotland Street Tunnel when the heading they were working in was inundated by water.
| 1 | Shaft eye | 6 | Refuge |
| 2 | Crown | 7 | Catchpit |
| 3 | Haunch | 8 | Formation |
| 4 | Springing | 9 | Drain |
| 5 | Sidewall | 10 | Invert |
Click here to download a PDF version of this diagram
Forgotten Relics records and celebrates the UK's disused railway structures, still standing as monuments to the period of ambition, courage and endeavour during which they were built.
Last updated 13 October 2025
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