TIGER/Line Shapefile, 2012, Series Information File for the Primary and Secondary Roads State-based Shapefiles
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 …