NDDOT Map Viewer: https://gis.dot.nd.gov/external/ge_html/?viewer=ext_quickmap
Functional Classification Maps: https://www.dot.nd.gov/business/maps-portal.htm#countyfunctionalclass
Bismarck: http://bismarck.maps.arcgis.com/apps/Viewer/index.html?appid=f42f81670dea437f8744f348d213caed
Fargo: http://gis.cityoffargo.com/Link/jsfe/index.aspx
Grand Forks: http://www.gfgis.com/FMv2/default.aspx?enc=q7PjVvLZCZkpl7vNYfUxRLubdfKUaO%2bSytGY5n7B5HWBiKuZ9b%2b0einlg3VkEJmgn%2fdIIrK4wlM%3d
See North Dakota/Resources for guidance in North Dakota that may not be universal to all other states and territories.