Many overland roads in Mongolia are only gravel roads or simple cross-country tracks. There are paved roads from Ulaanbaatar to the Russian and Chinese borders, from Ulaanbaatar east- and westward (the so-called Millennium Road), and from Darkhan to Bulgan. A number of road construction projects are currently underway. Mongolia has  of paved roads, with  of that total completed in 2013 alone.