Highway sound barrier

The utility model provides a highway sound barrier, is including the inboard sound hole board of inhaling, and it be the horizontal bellied ARC structure in central line position to inhale the sound hole board, and the outside spacing distance of inhaling the sound hole board sets up noise damping layer, and noise damping layer outside spacing distance sets up syllable -dividing backplate, inhales sound hole board, noise damping layer and gives sound insulation backplate constitution muffling component, muffling component's top sets up the solar panel of slope, solar panel with inhale the butt joint of sound hole board top, and the plane at solar panel place is tangent with the cambered surface of inhaling sound hole board top place, solar panel's the outside is equipped with goes up the backplate that gives sound insulation with muffling component's syllable -dividings backplate on the coplanar, solar panel, muffling component and go up the position between the sound insulation backplate on be equipped with