Transportation Noise Pollution
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This layer contains data on road and aviation noise for the continental US. From the USDOT BTS metadata: The 2018 National Transportation Noise Map dataset is current as of October 2020, published by Volpe and the Bureau of Transportation Statistics (BTS), and part of U.S. Department of Transportation (USDOT)/ BTS' National Transportation Atlas Database (NTAD). National Transportation Noise in the U.S. for 2016, 2018, and 2020.
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{{source}}创建时间：
2022-02-18
