Noise source	Lden ≥ 55dB	Lnight ≥ 50dB	Agglomeration	Country group
Roads	78236200	55088700	Inside urban areas	EU-28
Railways	10337200	7833100	Inside urban areas	EU-28
Airports	3028200	857400	Inside urban areas	EU-28
Industry	782900	356900	Inside urban areas	EU-28
Major roads	30574800	20705700	Outside urban areas	EU-28
Major railways	10666700	8826700	Outside urban areas	EU-28
Major airports	1072800	439800	Outside urban areas	EU-28
Roads	81668800	57479600	Inside urban areas	EEA-33
Railways	10734000	8143800	Inside urban areas	EEA-33
Airports	3135300	896400	Inside urban areas	EEA-33
Industry	797900	365900	Inside urban areas	EEA-33
Major roads	31142900	21096500	Outside urban areas	EEA-33
Major railways	10876100	8994100	Outside urban areas	EEA-33
Major airports	1079200	442300	Outside urban areas	EEA-33