Repair damage to the foundation, road surface, drainage system and traffic safety system in sections Km77+700 - Km78+100; Km83+300 - Km85; Repairing the drainage system of sections Km71+500- Km72+700 (left route), Km85+300-Km86 (right route), Km91+200-Km92 (right route); Km92+200-Km93+100 (right route); Km94+300-Km94+500 (left route); Km98-Km98+300 (both sides of the route); Km99-Km100 (right of the route), Km120+200-Km121+200 (both sides of the route); Km128+800-Km129+70 (left route); Km148+365-Km148+960 (both sides of the route); Repair and enhance traffic safety passing through school locations on National Highway 25