Iyo highway sound barriers inonyanya kuumbwa nesimbi yekumisikidza mbiru uye inonzwika kunyura uye insulation panel.Iyo mbiru ndiyo huru inotakura-inotakura chikamu cheizwi chipingamupinyi, icho chinomisikidzwa mumugwagwa unopesana nemadziro emadziro kana yakadzikwa simbi ndiro padivi penzira nemabhaudhi kana welding;Inzwi-inobata uye inobata-inzwi bhodhi ndiyo huru-inobata chikamu chikamu, iyo inogadziriswa muH-shaped column slot kuburikidza ne-high-simba-spring clip clip kuti iite chinodzivirira inzwi.