Thailand has 4,431 kilometers of meter-gauge railway tracks not including mass transit lines in Bangkok. All national rail services are managed by the State Railway of Thailand. The four main lines are the Northern Line, which terminates in Chiang Mai; the Northeastern Line, which terminates at Ubon Ratchathani and the Lao border in Nong Khai Province; the Eastern Line, which terminates at the Cambodian border in Sa Kaeo Province;, and the Southern Line, which terminates at the Malaysian border in Yala and Narathiwat Provinces.
