Kollam–Thiruvananthapuram trunk line

Kollam–Thiruvananthapuram trunk line is a railway line in Southern Railway zone connecting the cities of Kollam and Thiruvananthapuram in the state of Kerala, India. The line was opened on 4 January 1918 as the extension of Madras–Quilon line during metre gauge era.

Source: Wikipedia — Kollam–Thiruvananthapuram trunk line (CC BY-SA 4.0)