Ubon Ratchathani Main Line

StatusOperational

OwnerState Railway of Thailand

Locale

• Phra Nakhon Si Ayutthaya Province
• Saraburi Province
• Nakhon Ratchasima Province
• Buriram Province
• Surin Province
• Sisaket Province
• Ubon Ratchathani Province

Termini

• Ban Phachi Junction
• Ubon Ratchathani

Ubon Ratchathani Main Line
Overview
Status	Operational
Owner	State Railway of Thailand
Locale	Phra Nakhon Si Ayutthaya Province Saraburi Province Nakhon Ratchasima Province Buriram Province Surin Province Sisaket Province Ubon Ratchathani Province
Termini	Ban Phachi Junction Ubon Ratchathani
Service
Type	Inter-city rail
System	Northeastern Line
Operator(s)	State Railway of Thailand
Depot(s)	Bang Sue Depot Kaeng Khoi Depot Nakhon Ratchasima Depot Ubon Ratchathani Depot
History
Opened	26 March 1896 (1896-03-26)
Technical
Line length	575.10 km (357.35 mi)
Track gauge	1,000 mm (3 ft 3+3⁄8 in) metre gauge

Ubon Ratchathani Main Line or Lower Isan Line is a railway line in Thailand. It runs from Ban Phachi Junction in the central to Ubon Ratchathani railway station in the lower northeastern, passes many provinces.