“Noise” data — DDTM 59-2013

The 8 layers of data from the “Noise” database of the Departmental Directorate of the Territories and the North Sea (DDTM59), are the geomatic transposition of the noise sectors adopted by the Prefect in 2002, the “strategic noise maps” 2008-2013, as well as the “Plans Exposure to Aerodrome Noise” of environmental, civil aviation and urban codes. The territory concerned covers all road infrastructure in the Northern Department, with annual traffic exceeding 3 million vehicles (i.e. an average daily traffic of 8,200 vehicles), and sectors extending up to 300 metres on both sides.