Sound Classification Zones for Finistère's Transport Infrastructure

A 2004 prefectural decree defines acoustic zones for land transport infrastructure in Finistère, France, including a section straddling Morbihan. The Bureau de Recherches Géologiques et Minières provides these data as the latest available, segmented by municipality. The zones are not prohibitive but require facade isolation calculations for new buildings.

Use Cases

• Mapping noise impact zones based on transport infrastructure classification.
• Assessing building facade insulation requirements based on acoustic sector data.
• Cross-referencing regulatory boundaries using the associated axis table.

Strengths

• Data is defined by specific prefectural decrees (Finistère 2004-0101 and Morbihan 2003).
• Segmentation is based on merged municipal sectors.
• The dataset is described as the latest available.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Last updated 2022-02-02; freshness should be verified.

Provenance

Source

Bureau de Recherches Géologiques et Minières

Collection Method

Application of prefectural decrees and segmentation by municipality.

Time Range

Based on decrees from 2003 and 2004.

Freshness

2022-02-02

Geography

Finistère, France, including a section straddling Morbihan.