Narrow-gauge railways in Kazakhstan
Since 1954, Kazakhstan has developed many 750 mm (2 ft 5+1⁄2 in) gauge lines, in six individual networks with a total length of approximately 1150 km. == Overview == Atbasar network, 255 km Kokchetav network, 305 km, operational since 1954, partly regauged to Russian gauge (1,520 mm (4 ft 11+27⁄32 in)).
Source: Wikipedia — Narrow-gauge railways in Kazakhstan (CC BY-SA 4.0)