Public Road Length (Miles) by Functional System - 2015

Location Total Urban Rural Interstate Other Freeways and Expressways Arterial Collector Local
United States 4,154,727 1,209,214 2,945,513 48,053 17,988 403,082 811,228 2,874,376
Oklahoma 112,710 17,921 94,790 932 198 8,290 25,723 77,567

Source: U.S. Department of Transportation Federal Highway Administration, Highway Statistics Series - 2015