Devonshire Tunnel
Devonshire Tunnel is on the closed Somerset & Dorset Joint Railway main line, between Midford and Bath Green Park railway stations, below high ground and the southern suburbs of Bath, England, emerging below the northern slopes of Combe Down village. It opened in 1874 and was named after the road called Devonshire Buildings which lie immediately above the tunnel.
 Devonshire Tunnel West Portal | |
| Overview | |
|---|---|
| Line | Somerset & Dorset Joint Railway |
| Location | c. 2.0 miles from Bath Green Park |
| OS grid reference | ST 746 634 |
| Operation | |
| Opened | 1874 |
| Closed | 1966 (railway) |
| Owner | Wessex Water |
| Technical | |
| Length | 447 yards (409 m) approx. |
| No. of tracks | Single |
| Grade | mostly 1 in 50 (2%) ascending towards Midford (away from Bath)[1] |
It now forms one of the eponymous tunnels in the Two Tunnels Greenway.
Gradient
The tunnel had a gradient of 1 in 50,[1] on a line where the ruling gradient was also 1 in 50.
gollark: You could cut it down a lot and have a nice coaster.
gollark: Very shiny.
gollark: I guess they would make nice decorations.
gollark: What would you *use* them for?
gollark: You could probably vaguely look at what it looks like, but NAND flash is just going to be a big grid of capacitors or whatever, and you will know very little about how it's made.
References
- "Image gradient profile". Two Tunnels Shared Path. Archived from the original on 13 August 2014. Retrieved 12 August 2014.
- Map sources for: grid reference ST 744 635, West portal; ST 748 634, East portal
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