Noise Card Type C DAY LDC: Road Traffic Noise Exceedance Zones in Pyrenees-Atlantiques

Noise maps for the Pyrenees-Atlantiques department, produced as part of the European Directive 2002/49/EC on environmental noise assessment. The data, last updated in 2019, identifies areas where daytime noise levels (Lden) exceed 68 dB, based on strategic noise maps for land transport infrastructures with annual traffic exceeding 3 million vehicles. The dataset is provided by the Bureau de Recherches Géologiques et Minières (BRGM).

Use Cases

• Identify areas requiring traffic management interventions based on noise exceedance zones.
• Estimate population exposure to road traffic noise by cross-referencing noise maps with demographic data.
• Establish baselines for Urban Travel Plans (UDPs) using the Lden and Ln noise indices.
• Support Local Planning Plan (LDP) development with graphic noise information.

Strengths

• Based on a harmonized European assessment framework (Directive 2002/49/EC).
• Specifically lists the national, departmental, and communal road infrastructure covered.
• Defines clear noise indicators (Lden for 24-hour average, Ln for night average) and a threshold (68 dB).

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Last updated 2019-03-26 00:00:00; freshness should be verified.
• Column-level documentation is absent; field semantics must be inferred after download.

Provenance

Source

BUREAU DE RECHERCHES GÉOLOGIQUES ET MINIÈRES

Collection Method

Noise levels were assessed using digital models incorporating traffic data, field topology, and meteorological data, then cross-referenced with demographic data.

Time Range

Maps are drawn up for a specific year (implied to be around 2018-2019).

Freshness

2019-03-26

Geography

Department of the Pyrenees-Atlantiques, France, covering specific national, departmental, and communal roads.