Le — Strategic Noise Maps of Great Roads of the Valencian Community — 4th phase

Le from the strategic noise maps of large road axes of the Valencian Community — 4th phase. Le or Ltarde is defined as the noise index associated with discomfort during the late period, expressed in decibels (dB) and defined as the A-weighted average long-term sound level defined in ISO 1996-2: 1987, determined over all the late periods of one year, according to Royal Decree 1513/2005 of BOE 301 of 17/12/2005.Great roads, are those that have a traffic greater than 3,000,000 vehicles/year