Transportation layer for North Idaho is a compilation of data from various sources including but not limited to United States Forest Service (USFS), Bureau of Land Management (BLM), University of Idaho, Idaho Department of Lands, and the Coeur d'Alene Tribe. All data was gathered at a scale of 1:24,000. Source of line work can be found in the attribute called origin. In 2003 the data updated with the Kootenai County 1:24,000 data set. Data was also improved by updating road names and by assigning address ranges roads located in Benewah County. All roads within the Reservation boundary where relocated to match United States Geologic Survey (USGS) 1 meter ortho photos.