Table 1 Summary information on the four publicly and commercially available road datasets
Road Data | Spatial Extent | Currency | Availability | Source |
|---|---|---|---|---|
NC DOT | North Carolina | 2005 | Public | North Carolina Dept. of Transportation |
StreetMap Pro | USA | 2003 | Commercial | ESRI |
TIGER/Line 2000 | USA | 2000 | Public | U.S. Census Bureau |
TIGER/Line 2007 | USA | 2007 | Public | U.S. Census Bureau |