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| 1 | road traffic noise | 道路交通騒音 | |||
| 2 | Enforcement Policy for Noise Reduction Measures for Areas with Serious Traffic Noise | 道路交通騒音の深刻な地域における対策の実施方針 | |||
| 3 | sound insulation facility | 遮へい施設［道路交通騒音対策］ | |||
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|---|---|---|---|---|---|
| 1 | road traffic noise | 道路交通騒音 | |||
| 2 | Enforcement Policy for Noise Reduction Measures for Areas with Serious Traffic Noise | 道路交通騒音の深刻な地域における対策の実施方針 | |||
| 3 | sound insulation facility | 遮へい施設［道路交通騒音対策］ | |||