Madras Railway connected Bangalore Cantonment to Jolarpettai on the newly constructed Beypur line in 1864.

[3] The 2 ft 6 in (762 mm)-wide narrow-gauge line between Bowringpet (later Bangarpet) and Kolar was opened in 1913 by Mysore State Railway.

[9] In the early 1950s legislation was passed authorizing the central government to take over independent railway systems that were there.

Ramachandran Central railway station and Arakkonam Junction via West Line.

It covers the distance of 68 km (42 mi) with 27 halts in a scheduled time of 1 hour 50 mins.

The Locomotive Workshops at Perambur was the premier broad-gauge steam loco repair shop in the south.

[16] Chennai Central, Katpadi Junction and Bangalore City, on this line, are amongst the top hundred booking stations of Indian Railway.