Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Skip to content

Try the next-generation Data Catalog at catalog-beta.data.gov and help shape it with your feedback.

  • Feedback

    • Public Road Length by Functional System and State, 1980 - 2024 (HM-20)

    Metadata Updated: March 27, 2026

    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.)

    Access & Use Information

    Public: This dataset is intended for public access and use. License: See this page for license information.

    Downloads & Resources

    Dates

    Metadata Created Date April 4, 2025
    Metadata Updated Date March 27, 2026

    Metadata Source

    Harvested from DOT Socrata Data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date April 4, 2025
    Metadata Updated Date March 27, 2026
    Publisher Federal Highway Administration
    Maintainer
    Identifier https://data.transportation.gov/api/views/3hqe-sh4k
    Data First Published 2025-03-24
    Language en-US
    Data Last Modified 2026-03-26
    Category Roadways and Bridges
    Public Access Level public
    Bureau Code 021:15
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://data.transportation.gov/data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Data Quality True
    Harvest Object Id e0367a8d-3350-4d8b-b1ba-f87b97da812f
    Harvest Source Id a776e4b7-8221-443c-85ed-c5ee5db0c360
    Harvest Source Title DOT Socrata Data.json
    Homepage URL https://www.fhwa.dot.gov/policyinformation/statistics.cfm
    License https://www.usa.gov/government-works
    Old Spatial State
    Primary IT Investment UII 021-099281808
    Program Code 021:009
    Source Datajson Identifier True
    Source Hash 5cc68ecec67432e0dcb82dfd1fb150e5dfa7ab6847934d9808e67497870a25a2
    Source Schema Version 1.1
    Spatial
    Temporal 1980/2024

    Didn't find what you're looking for? Suggest a dataset here.