Bangalore–Arsikere–Hubli line

The Bangalore–Arsikere–Hubli line is a major railway line in the Indian state of Karnataka connecting state capital Bangalore with city of Hubballi in north-central Karnataka. It traverses across Karnataka and links several cities of Karnataka, including Tumakuru, Kadur, Davanagere, Haveri and Hubballi. Currently, 29 pairs of trains operate in this route, out of which 8 are daily services. Apart from this, this route also links Karnataka with other states, such as Goa, Maharashtra, Gujarat and Rajasthan. This route is also a major feeder line for iron ore, coal and steel hauling freight trains originating from Ballari district towards the Mangaluru port.

The maximum operating speed of this route is 110 km/h for passenger trains and 75 km/h for freight trains. The fastest passenger service in this line is KSR Bengaluru–Dharawad vande bharat Express, which covers the two cities in 6h 40m, at an average speed of 76 km/h.

Main line and branches
The main line which is of Bangalore–Arsikere–Hubli section is 469 km in length. this line has five branches
 * First branch line which is from Chikkabanavara to Arsikere via Shravanabelagola Hassan is 211 km in length.
 * Second branch line which is from Kadur to Chikkamagluru is 45 km in length.
 * Third branch line which is from Birur to Talguppa is 160 km in length.
 * Fourth branch line which is from Chickjajur to Bellary is 185 km in length.
 * Fifth branch line is from Amaravathi colony junction after Davangere station to Hosapet junction which is 135 km in length.

Doubling and electrification
As of June 2023, the entire stretch is fully electrified and electrification of loop lines at some stations between Haveri and hubballi is in progress and is expected to be completed by end of June 2023. A trial run of vande bharat express was also conducted on June 19 from KSR Bengaluru to Dharawad before its inaugural run on 27 June.