Map Viewing Service (WMS) of the dataset: Indicative surface classification of land transport infrastructure — Tarn

The noise classification of land transport infrastructure is a regulatory mechanism for preventing noise, It is adopted and published by the prefect, after consulting the municipalities.
Surface data provided for illustrative purposes.

陆上交通基础设施噪声分级是一种噪声防治监管机制。该分级标准经征询各市政当局意见后，由行政长官（prefect）通过并发布。
所提供的地表数据仅用于示例说明。