USA OSM Topo Routable
Detailed map of USA for Garmin GPS, based on OpenStreetMap data. Map is divided into 8 parts.
Maps can be installed under Windows or Mac OSX.
Map properties:
full range of OSM data
25m contours lines (DEM data SRTM and Viewfinder Panoramas)
marine objects
geographical names in English or transliteration
address search
routable
Continental part of USA is divided into 6 regions, Alaska and Hawaii are released as separate maps.
More info and downloads:
Code:
http://www.gmaptool.eu/en/content/usa-osm-topo-routable