Lden — Strategic Noise Maps of Great Roads of the Valencian Community — 4th phase
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Lden of the strategic noise maps of large road axes of the Valencian Community — 4th phase. Lden is defined as a day-afternoon 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 axes, are those that have a traffic greater than 3,000,000 vehicles/year
