Madras Cantonment to
Jolarpettai as a branch on the newly constructed Chennai–Beypur line in 1864. The station was then known by the name as
Kolar Road for its proximity to the Kolar Gold fields and later christened as Bowringpet, the name of a District collector of the British of the area. Bangalore Mail started running around the same period, the exact date not being very clear. The wide
narrow-gauge line between Bowringpet (later Bangarapet) and Kolar was opened in 1913 by Mysore State Railway. The narrow-gauge Yeshvantapur–Devanhalli–Chikballapur line was opened in 1915, Extension of NG Line from Kolar to Chickballapur via Sidlaghatta, Chintamani, Srinivasapura under Yelahanka-Bangarpet section narrow-gauge line in 1916 and final extension of NG Line from Yeshwantpur-Bangalore in 1918. Gauge conversion of the Bangarpet–Kolar line was completed and opened for traffic in 1997 and since then it has been serviced by a
railbus. Gauge conversion of Yelankha–Chickballapur was completed and opened for traffic in 2004. Then, gauge conversion of Chickballapur–Kolar was completed and opened for traffic in November 2013, thus connecting the entire network into an Yelankha–Bangarpet broad-gauge line. The
broad gauge Bangarpet–Marikuppam line opened in 1894. ==Electrification==