 The system comprises of state highways in all 93 counties.Highways within the system range in scale and quality from 10-lane urban freeways, such as I-80 around Omaha, to standard two-lane rural undivided highways as well as of state highways that remain unpaved such as N-67 north of Dunbar.Surrounding landscapes along the highway system range from the urban areas in Omaha and Lincoln to scenic journeys through uninhabited grasslands in the Nebraska Sandhills.