🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtРусскийالعربيةفارسی한국어中文日本語EntityQ601510· pop 28· linked from 579 articlesnoise barrierexterior structure designed to protect inhabitants of sensitive land use areas from noise pollutionConnectionsdecibelEntityroad surfaceEntityCategories1970s introductionsAcousticsEnvironmental engineeringNoise controlNoise pollutionRoad infrastructureSound