 Kelok Sembilan Bridge which connecting West Sumatra Province and Riau Province in kilometer 143-148 was officially opened on October 31, 2013.Kelok Sembilan Bridge is also called as Kelok Sembilan Overpass, because it is over the old Kelok 44.The first stage of the bridge is 720 meters with 4 kilometer access road, the second stage is 250 meters bridge and 1 kilometer access road.