Noise source	Inside urban areas	Outside urban areas	Agglomerations
Roads	86423300		Within agglomerations
Railways	8904500		Within agglomerations
Airports	3503900		Within agglomerations
Industry	1369000		Within agglomerations
Major Roads		35015600	Outside agglomerations
Major Railways		3818500	Ouside agglomerations
Major Airports		1243600	Outside agglomerations