Noise source	Lden ≥ 55dB	Lnight ≥ 50dB	Agglomeration	Country group
Roads	75451500	53532900	Inside urban areas	EU-28
Railways	9656700	6552200	Inside urban areas	EU-28
Airports	2848100	797800	Inside urban areas	EU-28
Industry	827700	382500	Inside urban areas	EU-28
Major roads	29371800	19982700	Outside urban areas	EU-28
Major railways	9145100	7621700	Outside urban areas	EU-28
Major airports	2334800	752500	Outside urban areas	EU-28
Roads	78874000	55933800	Inside urban areas	EEA-33
Railways	10066000	6863300	Inside urban areas	EEA-33
Airports	2999700	872500	Inside urban areas	EEA-33
Industry	845400	392500	Inside urban areas	EEA-33
Major roads	29985700	20409700	Outside urban areas	EEA-33
Major railways	9354500	7789100	Outside urban areas	EEA-33
Major airports	2345400	756300	Outside urban areas	EEA-33