United States Department of Transportation
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Up-to-date Information
Up-to-Date Info: To find the latest DOT information on this topic go to: https://doi.org/10.21949/1522267
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More Documents Available as Supporting Files
National Transportation Atlas Database (NTAD): States 1996-Present Datasets
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1996-01-01
[PDF-109.72 KB]
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Abstract:The States 1996-Present dataset is from the U.S. Census Bureau. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). The MTDB represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line shapefile is designed to stand alone as an independent data set, or they can be combined to cover the entire nation. States and equivalent entities are the primary governmental divisions of the United States. In addition to the fifty States, the Census Bureau treats the District of Columbia, Puerto Rico, and each of the Island Areas (American Samoa, the Commonwealth of the Northern Mariana Islands, Guam, and the U.S. Virgin Islands) as the statistical equivalents of States for the purpose of data presentation.
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