Dataset Direct Download Service (WFS): Railway and road noise zones — 24h isophones (type A Lden) from 2017 to 2022 — department of Haute-Garonne

Areas exposed to road and railway noise using isophone curves in dB(A) Lden: on 24h in steps from 5 in 5 from 55 dB(A) to 75 dB(A) and more. They are used primarily for the preparation of strategic noise maps pursuant to Article R.572-5 of the Environmental Code.