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Between Yangon and Bago was opened on February 27, 1884, and between Bago - Mottama was opened on October 12, 1907. In this time, the section crossing the Sittang River is the old line which ran via Nyaung Khar Shey. In 1962 the new line crossing the Sittang River was opened further north.
For nearly 80 years Tanintharyi Line remained isolated from the other railway lines in Myanmar due to Salween river. The section between Mottama and Mawlamyine was operated a ferry until 2006. On April 17, 2006, Thanlwin Bridge was opened crossing Salween river and the isolation was resolved.
Segment
length (km)
Date opened
Yangon - Bago
74.8
February 27, 1884
Bago - Mottama (the section between Ah Byar and Moke Pa Lin is the old line)