Northeastern Line (Thailand)

• Ubon Ratchathani Main Line, located in Phra Nakhon Si Ayutthaya Province, Saraburi Province, Nakhon Ratchasima Province, Buriram Province, Surin Province, Sisaket Province, Ubon Ratchathani Province.
• Nong Khai Main Line, located in Khon Kaen Province, Udon Thani Province, Nong Khai Province, Vientiane Prefecture.
• Lam Narai Branch Line, located in Lopburi Province and Chaiyaphum Province.

Timeline

• 9 March 1891 - started construction
• 26 March 1896 - opened Bangkok-Ayutthaya
• 21 December 1900 - opened Ayutthaya-Nakhon Ratchasima
• 1 April 1925 - opened Nakhon Ratchasima-Buriram
• 1 August 1928 - opened Buriram-Sisaket
• 1 April 1930 - opened Sisaket-Ubon Ratchathani

• 1 April 1933 - opened Nakhon Ratchasima-Khon Kaen
• 24 June 1941 - Khon Kaen-Udon Thani
• 13 September 1955 - Udon Thani-Na Tha
• 31 July 1958 - Na Tha-Nong Khai
• 5 March 2009 - Nong Khai-Thanaleng, Vientiane Prefecture

Stations

Notable railway stations

• Saraburi Station - Main Saraburi station, named Pak Priaw station until 1934.
• Kaeng Khoi Junction - The Bua Yai Line and Khlong Sip Kao line diverge from the mainline here. Main Depot with refueling facility. The point for dividing freight trains into two trains to pass difficult section of Dong Phraya Yen or combining divided freight trains back into one train
• Pak Chong Station - The gateway to Nakhon Ratchasima and the point for dividing freight trains into two to pass difficult section of Dong Phraya Yen or combining divided freight trains back into one train
• Nakhon Ratchasima Station - Main depot of the Northeastern Line with refueling facility and a branch line to 2nd Army Support Command. Main Nakhon Ratchasima station.
• Thanon Chira Junction - Junction for Nong Khai line close to Fort Suranaree
• Buriram Station - Buriram provincial station with a branch line to a quarry at Khao Kradong
• Surin Station - Main Surin station
• Si Sa Ket Station - Main Si Sa Ket station.
• Ubon Ratchathani Station in town of Warin Chamrap - Terminus of South Isaan Line with Depot and refueling facility. Named Varindr station until 1942-1943. Main Ubon Ratchathani Station.
• Lam Narai Station- Station on the Lam Narai/Bua Yai Branch, for Chai Badan Municipality.
• Chatturat Station- Station on the Lam Narai/Bua Yai Branch, alight for Chaiyaphum.
• Bua Yai Junction - junction with refueling facility
• Khon Kaen Station - Khon Kaen main station
• Udon Thani Station - Udon Thani main station with refueling facility.
• Nong Khai Station in town of Nong Khai - Terminus of North Isaan Line, provides a connection to Thanaleng Station in Vientiane, Laos. Main Nong Khai station.