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.

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

Khao Phlueng Tunnel

Huai Mae Lan Tunnel

Khun Tan Tunnel

RELATED LINKS: Bridges on the Northern Line