Acoustic barriers are structures designed to reduce noise pollution, particularly in areas near highways, railways, or industrial sites. They work by blocking sound waves, preventing them from traveling to nearby residential or quiet zones. These barriers can be made from various materials, including concrete, wood, or specialized sound-absorbing panels. Typically, acoustic barriers are tall and solid, often reaching heights of 10 to 20 feet. Their effectiveness depends on factors like height, length, and the materials used. By creating a soundproofing effect, they help improve the quality of life for people living near noisy environments.