The dataset contains the 50 dB, 55 dB, 60 dB, 65 dB and 70 dB Lnight noise contours of the provincial roads of the Province of Utrecht from the 2nd tranche EU Environmental Noise Directive (level year 2006). It covers roads with an annual intensity of between 3 and 6 million motor vehicles.
The noise maps are valid for 2006 and show only the calculations for the EU Environmental Noise Directive for the provincial roads of Utrecht.
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