Tunnels on the Northern Line

The northern line has four tunnels. The longest is Khun Tan Tunnel in Lamphun Province at 1,362 metres long. It is presently the longest in Thailand.

1. Pang Tup Khop (KM 513.721-513.841): 120 metres
2. Khao Phlueng (KM 516.411-516.773): 362 metres
3. Huai Mae Lan (KM 574.048-574.178): 130 metres
4. Khun Tan (KM 681.579-682.941): 1,362 metres

RELATED LINKS: Bridges on the Northern Line