Noise Map – Rail – Metropolitan (Night)
Average night-time noise from railways at 4 metres above ground level, modelled (not measured), for Oslo, Bergen, Trondheim, Stavanger, Sarpsborg and Fredrikstad. The maps show the noise situation as it was in 2016. The noise map cannot be used for land-use planning. Source: Miljødirektoratet. Part of Placepoint's map layer for Noise.
How the dataset appears on the map
The dataset is part of the Noise map layer. The screenshot, sub-layers and what a click on the map shows are described under Noise Map – Rail – Metropolitan (Night).

Update frequency: when the source changes.