
from website http://resources.arcgis.com/content/esri-streetmap-premium/2011/about Esri StreetMap Premium is an enhanced, ready-to-use offline street dataset that works with ArcGIS Desktop or ArcGIS Server to provide advanced geocoding, routing, and high-quality cartographic display for North America and 45 European countries. Esri StreetMap Premium 2011 is available for North America and will be available for Europe later this summer.