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Primary roads are generally divided, limited-access highways within the interstate highway system or under State management, and are distinguished by the presence of interchanges. These...
| Field | Value |
|---|---|
| Source | http://meta.geo.census.gov/data/existing/decennial/GEO/GPMB/TIGERline/TIGER2013/prisecroads/ |
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An official website of the GSA's Technology Transformation Services
