North Star Highways - Features photographs of various signage and other scenes as well as historic and current special route logs. - http://home.earthlink.net/~northstarhighways/
The Unofficial Minnesota Highways Page - Includes route listings, photographs, maps, and system background. - http://www.steve-riner.com/mnhighways/mnhome.htm
Minnesota Department of Transportation - Mn/DOT's site offers road and weather conditions, a map of rest areas, information on road construction, a FAQ, information for contractors. - http://www.dot.state.mn.us/