This polyline shapefile represents roads in North America only, including preliminary scale ranking and full list of attributes. The “basic” roads at 10m scale are from Commission for Eenvironmental Cooperation's North America Environmental Atlas with only 1 scale rank class. These data are represented at 1:10,000,000 scale. This layer is part of the Natural Earth Collection (v.2.0.0).Natural Earth is a public domain map dataset available at 1:10, 1:50 and 1:110 million scales. Featuring tightly integrated vector and raster data, with Natural Earth you can make a variety of visually pleasing, well-crafted maps with cartography or GIS software.