Repairing road surface, building drainage ditches at Km86+00-Km86+500, Km87+200-Km87+600, Km88+00-Km88+500, Km89+300-Km89+600, Km94+170-Km94+320 ; additional road signaling system for the section Km85+00-Km86+00 (from the end of the Dong Van overpass to the intersection of the National Highway 1 bypass.
Repairing road surface, building drainage ditches at Km86+00-Km86+500, Km87+200-Km87+600, Km88+00-Km88+500, Km89+300-Km89+600, Km94+170-Km94+320 ; additional road signaling system for the section Km85+00-Km86+00 (from the end of the Dong Van overpass to the intersection of the National Highway 1 bypass.