National Transportation Atlas Database (NTAD): Auto Ramp 1996-1998 Datasets
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下载链接：
https://rosap.ntl.bts.gov/view/dot/71889
下载链接
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资源简介：
The Auto Ramp Facilities database is a geographic database of highway-rail transfer facilities containing automobile loading ramps in the United States. Attribute data includes the facility owner and railroads that share use of the facility.
提供机构：
Bureau of Transportation Statistics
创建时间：
2023-10-02
