Enhancing traffic safety at intersections Km733+400, Km737+800 (old route), Km741+00 and paragraph Km719+550 - Km720+450 QL.1, segment Km741+100 -km741+400 Hien Luong bypass route ; Repair damage to Gia Dang bridge KM729+090, Tria Km732+067 QL.1 and Chau Thi Km730+425 Bridge (Hien Luong Cau bypass); Additional local anti -glare mesh on the segment from Km772+916 - Km791A+500; Painting the paint line of Km769+800 -KM791A+500 QL.1; Supplementing and repairing signs of Km719+500 -KM730+00, Km769+800 -Km791A+500 QL.1 and segment Km729+820 -Km741+600 (Hien Luong Putapore route); Repairing Lan Ton waves, piles, km columns, replacing Reflective Eyes DPC between Km717+100 - Km741+170, Km769+800 - Km791A+500 QL.1 and segment Km729+820 - Km741+600 (bypass Hien Luong Bridge); Strengthen the traffic safety system through school on the segment of Km728+300 - Km791A+300, Highway 1, Quang Tri Province