MÉTODO DE ESTIMACIÓN DEL IMPACTO ACÚSTICO DEL TRÁFICO POR CARRETERA. APLICACIÓN A LA PROVINCIA DE LLEIDA

Abstract

This communication presents a method for assessing the acoustic impacts of road traffic in interurban routes, and its application to the particular case of the province of Lleida. The quality acoustic distances has been calculated by the CETUR method. It has been computed with a daily resolution, in each one of the road sections in which there are available measures on daily average traffic (DAT). It has been calculate the range from which the sonorous levels perceived are inferior to the values fixed by regulations, both diurnal and nocturnal conditions. These models require detailed information on DAT, percentage of heavy duty vehicles, type of engine, vehicles speed, type of road, etc. These values have been introduced from the (DAT) measures and the statistical information of the vehicular park composition. Application of the acoustic emission model allow analyzing the acoustic quality in different sections from the studied routes, based on different associated parameters from the (DAT), as well as from the sensitivity of the zone. The geographical representation of the obtained emissions gives a territorial vision of the acoustic impact in the interurban routes, and it is possible to be used as tool of support to the decision making. Keywords: Environmental impact, Road traffic, Acoustic impact, Make decision