Mapping corridor (extended mapping)

The mapping corridor (extended mapping) shows the mapping scope of the extended noise mapping of all federal railways (EdB) of round 4 of the environmental noise mapping, which is not subject to mapping in accordance with the provisions of the Environmental Noise Directive (2002/49/EC).映射走廊（扩展映射）展示了环境噪声映射第四轮中所有联邦铁路（EdB）的扩展噪声映射范围，该范围依据《环境噪声指令（2002/49/EC）》的相关规定无需进行映射。