Noise problems will be prevented and reduced to take account of the requirements of human health and welfare.
Reduce noise annoyance outdoors By 2010, noise annoyance will be reduced by 10 per cent from the 1999 level (calculated without population growth).
Noise annoyance in Norway as measured by the noise annoyance index
Reduce noise annoyance indoors By 2020, the number of people exposed to indoor noise levels exceeding 38 dB will be reduced by 30 per cent compared with the 2005 level.(Based on calculations of the number of dwellings exposed to noise based on simplified figures for the noise abatement properties of the facade, which do not take into account ventilation structures)