Khun-tan tunnel
| Khun-tan tunnel | |
|---|---|
 Khun Tan station with the north portal of the tunnel
|
|
| use | Railway tunnel |
| traffic connection | North runway (single track) |
| place |
Thailand Tha Pla Duk, Amphoe Mae Tha , Province Lamphun (north portal) Wiang Tan, Amphoe Hang Chat , Province Lampang (south portal) |
| length | 1362 m |
| Number of tubes | 1 |
| cross-section | horseshoe-shaped |
| construction | |
| Client | Royal Railway Department (RRD) |
| start of building | 1913 |
| completion | 1917 |
| business | |
| operator | Thai State Railways |
| Coordinates | |
| South portal | 18 ° 29 ′ 10 ″ N , 99 ° 15 ′ 55 ″ E |
| North portal | 18 ° 29 ′ 55 ″ N , 99 ° 15 ′ 55 ″ E |
Map with all coordinates: The Khun Tan Tunnel ( Thai อุโมงค์ ขุน ตา น ) is the longest rail tunnel in Thailand .
Geographical location
The tunnel is located in the northernmost section of the Thai Northern Railway between Lampang and the railway terminal of Chiang Mai between the (disused) railway station Pang Yang in the south and the train Khun Tan in the north. At 573 m, the latter is also the highest in the entire Thai railway network. The tunnel between the Thai provinces of Lamphun and Lampang runs through the tunnel . It runs through the ridge of the Khun Tan mountain range and is located in the middle of the Doi Khun Tan National Park .
history
The tunnel was driven in the course of the construction of the northern line from March 1913, the work was completed in 1917 and on January 1, 1922 it was opened to traffic as part of the northernmost section of the line. The work was directed by the German engineer Emil Eisenhofer . When Eisenhofer died very old in 1962, he was buried at the north exit of the Khun Tan tunnel.
Technical specifications
The tunnel is 1362 m long and lies between the route kilometers 681.579 (south portal) and 682.941 (north portal). It is the longest of the seven rail tunnels in operation in Thailand.
literature
- BR Whyte: The Railway Atlas of Thailand, Laos and Cambodia . White Lotus Co Ltd, Bangkok 2010, ISBN 978-974-480-157-9