More than 90 per cent of roads are dirt tracks, while paved and gravel roads account for less than 10 per cent. In 2009, the road network included only 2,680 km of paved roads, 2,100 km of gravel roads and an additional 1,730 km of improved earth roads. In 2013 and 2014, 2,656 km of paved roads were built and the length of paved roads increased to 5,300 km.