Tyholt Tunnel
The Tyholt Tunnel is a 2,785-meter (9,137 ft) railway tunnel which runs between Lerkendal and Lademoen on the Stavne–Leangen Line in Trondheim, Norway. The line takes its name for passing under the neighborhood of Tyholt and only sees regular freight traffic.
The tunnel seen from Lerkendal | |
| Overview | |
|---|---|
| Line | Stavne–Leangen Line |
| Location | Trondheim, Norway |
| Coordinates | 63°25′33″N 10°25′48″E |
| System | Norwegian railway |
| Start | Lerkendal |
| End | Lademoen |
| Operation | |
| Opened | 1 June 1957 |
| Owner | Norwegian National Rail Administration |
| Operator | CargoNet, Cargolink |
| Character | Freight |
| Technical | |
| Line length | 2,785 m (9,137 ft) |
| No. of tracks | Single |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) |
| Electrified | No |
Construction began by the Wehrmacht during the German occupation of Norway from 1940 to 1945, but the project was never completed. The Norwegian State Railways (NSB) resumed the work in the 1950s. Part of the tunnel was built using cut-and-cover, part using a tunneling shield and most of it was blasted. It opened on 1 June 1957.
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