Repair damage to the foundation, road surface, drainage system and traffic safety system of sections Km351+130 - Km351+545, Km352+540 - Km354+408, Km357+655 - Km358+700, Km359+700 - Km363, Km402+680 - Km403+180, Km403+500 - Km403+780; Repair and enhance traffic safety passing through schools on Truong Son Dong street, Gia Lai province