Completing the traffic safety system from Km0 - Km1+868 to Dien Thanh beach, Km36+00 - Km93+050, Km94+250 - Km225+00; Move the R420 and R421 signs to the reaching poles at the road sections with median strips; Repair traffic signals Km28+850, Km50+750, Km59+250; Complete the traffic safety system at market and school locations close to national highways; National Highway 7, Nghe An province