<Tr> <Th> Track gauge </Th> <Td> 1,676 mm (5 ft 6 in) 1,000 mm (3 ft 3 ⁄ in) 762 mm (2 ft 6 in) 610 mm (2 ft) </Td> </Tr> <Tr> <Th> Length </Th> <Td> 66,687 kilometres (41,437 mi) (route) 92,081 kilometres (57,216 mi) (running track) 119,630 kilometres (74,330 mi) (total track) </Td> </Tr> <P> Indian Railways (reporting mark IR) is a State owned national transporter, responsible for rail transport in India . It is owned and operated by the Government of India through the Ministry of Railways . It is the third largest railway network in the world comprising 119,630 kilometres (74,330 mi) of total track and 92,081 km (57,216 mi) of running track over a route of 66,687 km (41,437 mi) with 7,216 stations at the end of 2015 - 16 . In 2015 - 16, IR carried 8.107 billion passengers annually or more than 22 million passengers a day and 1.101 billion tons of freight annually . As of the end of 2015 - 16, of the total 68,525 km (42,579 mi) route length, 28,327 km (17,602 mi) or 45% were electrified and 28,371 km (17,629 mi) or 37% were double or multiple line routes . The railway network is predominantly a broad gauge network . Small stretches of the network use metre and narrow gauges . All the electrified lines use 25 kV AC electric traction . </P> <P> IR operates both long distance and suburban rail systems . IR ran on average 13,313 passenger trains daily in 2015 - 16 . The trains have a five - digit numbering system . Mail or express trains, the most common types, run at an average speed of 50.9 km / hr . As of the end of 2015 - 16, IR's rolling stock comprised over 251,256 freight wagons, 70,241 passenger coaches and 11,122 locomotives (39 powered by steam, 5,869 by diesel fuel and 5214 by electricity). It also owns locomotive and coach production facilities at several places in India . </P>

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