防ぼう音おん壁へき

noun

noise barrier; soundproof wall

Refers to a physical structure designed to block or reduce noise, such as those along highways or railways.

• 高こう速そく道どう路ろの両りょう側がわに防ぼう音おん壁へきが設せっ置ちされた。

  Noise barriers were installed on both sides of the expressway.