# Limiti rumore stradale DPR 142/04 > Compliance check of sound levels at the receiver against the Italian DPR 142/04 road-noise limits. Practice: acustica Field: ambientale Status: Tool Tag: Acustica ambientale, DPR 142/04, Italia Method, assumptions and limits: Page: --- Demonstrative tool for environmental acoustics. From the road classification (A–F, new or existing), receiver distance, type (generic or sensitive) and daytime/night-time L_Aeq levels it checks compliance with the limits of Italian DPR 30/3/2004 no. 142, using the Annex 1 noise-pertinence bands; outside the band and for E/F roads it applies the DPCM 14/11/1997 limits. Per-period result with margin, regulatory reference and a schematic plan. Cross-linked with the Acoustic map. Tables verified against the decree text. This file is a **descriptor**, not the tool's documentation: it says what the tool computes and by what method, in summary. Formulas, assumptions, validity conditions and limits are in the wiki linked above. The tool runs in the browser at the page given.