|Locale||Andhra Pradesh, Odisha, Chhattisgarh|
|Operator(s)||South Eastern Railway Zone Till 2003 March, East Coast Railway zone from April 2003|
|Track length||445 km (277 mi)|
|Number of tracks||1|
|Track gauge||1,676 mm (5 ft 6 in) Broad gauge|
|Electrification||25kV AC 50 Hz|
Kothavalasa–Kirandul line belongs to Waltair Railway Division of East Coast Railway Zone from 2003 .It Was under South Eastern Railway zone until 2003. It passes through three states Andhra Pradesh, Odisha and Chhattisgarh.
In 1960, Indian Railway took up three projects: the Kothavalasa – Araku – Koraput – Jeypore – Jagdalpur – Dantewara – Kirandaul line, the Jharsuguda – Sambalpur – Bargarh – Balangir – Titlagarh Project and the Biramitrapur – Rourkela – Bimlagarh – Kiriburu project. All the three projects taken together were popularly known as the DBK Project or the Dandakaranya – Bolangir – Kiriburu project. The Kothavalasa–Kirandaul line was opened in 1966–67 under South Eastern Railway Zone with financial aid of Japan for transporting Iron ore.
This line passes hill sections of Eastern ghats through Araku Valley. This is the highest broad gauge line of the country. The line has a total of 58 tunnels and 84 major bridges and each tunnel is as long as 520 metres.
Electrification of the line was completed in four phases. Kirandul–Jagdalpur section was completed in 1980. Jagdalpur–Koraput section was completed in 1981. Koraput–Araku–Waltair section was completed in 1982.The Kothavalasa–Kirandul route was completely electrified by 1982.
This line is mainly used for freight purposes which is a huge profit benefitting Waltair Division. Nearly ₹3,000 crore (US$470 million) of profit comes through this line. Iron ore from Baladila are transported to Visakhapatnam through this line.
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- "History of Waltair Division". Mannanna.com. Retrieved 2013-12-12.
- "The Hindu Business Line : Kottavalasa-Kirandul line — An obstacle course". www.thehindubusinessline.com. Retrieved 2016-06-04.
- "IR Electrification History". IRFCA. Retrieved 2013-01-23.
- "Doubling of line between Kirandul, Kothavalasa mooted". The Hindu. 2008-03-07. ISSN 0971-751X. Retrieved 2016-06-04.
- "Chapter II – The Maintenance of Permanent Way". Retrieved 2013-12-12.
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