Northeastern Line

Starting from Bangkok Station, the Northeastern Line passes through Ayutthaya, Saraburi, Nakhon Ratchasima, Buriram, Surin, Sisaket and ends at Ubon Ratchathani (575km).

At Kaeng Khoi Junction Station (125km), there is a branch line through Saraburi, Lopburi and Chaiyaphum provinces to Bua Yai Junction Station (346km) on the line to Nong Khai.

At Thanon Chira Junction Station (266km), there is a branch line to Khon Kaen (450km), Udon Thani (569km) and Nong Khai (624km).