Repairing the foundation and road surface of sections Km25+415÷Km25+731; Km35+806÷Km36+079; Km39+370÷Km39+633; Km42+559÷Km42+770; Km45+206÷Km45+679; Repair and improve roadside sections Km45+126÷Km45+207; Km58+833÷Km59+853; Repair and improve traffic safety system from Km25 ÷ Km60, National Highway 14D