Card Layer Rail Bundle, 24h Level LDEN

Mapped are federal main rail lines with a traffic volume of more than 30,000 trains per year. The Federal Railway Office is responsible for noise mapping and noise action planning. In metropolitan areas, federal rail lines under 30,000 trains per year are mapped.本数据集标注了年列车通行量超过3万列次的联邦干线铁路。联邦铁路办公室（Federal Railway Office）负责噪声测绘与噪声行动规划工作。在大都市区范围内，年列车通行量不足3万列次的联邦铁路线路同样被纳入标注范围。