Lden - Strategic Noise Maps of Large Road Axes of the Valencian Community - 4th phase

Lden of the strategic noise maps of large road axes of the Valencian Community - 4th phase. Lden is defined as the day-evening-night noise index, which is the noise index associated with the overall nuisance, expressed in decibels (dB) and defined according to Royal Decree 1513/2005 of BOE 301 of 17/12/2005. Large road axles, are those that have a traffic of more than 3,000,000 vehicles / year