Public Road Length By Functional System And State, 1980 - 2024 (HM-20)

Annual length of U.S. public roads in miles by functional system for each of the 50 states, DC, and Puerto Rico from the Highway Statistics table HM-20. (Note: In 2009, the Urban functional class of Collectors became Major Collectors and Minor Collectors.)
Organization: Department of Transportation
Last updated: 2025-04-04T21:10:42.550012
Tags: functional-system, highway-statistics, miles, roadway-bridges, rural-urban, state