04 Transport-generated noise contours over 55 dB in Switzerland (2012) Area affected by noise ≥ 55 dB
Highway
Railway
05 Superimposed noise contours above 55 dB for highway, railway, and major airports in Switzerland (2012) Urban area Urban area affected by noise ≥ 55 dB
06 Superimposed noise contours for highway, railway, and major airports in the Zurich urban agglomeration (2012) ≥ 45 dB ≥ 50 dB ≥ 55 dB ≥ 60 dB ≥ 65 dB ≥ 70 dB
18
Background
Major airports