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    • Public Road Length by Functional System and State, 1980 - 2023 (HM-20)

    Metadata Updated: October 22, 2025

    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 October 22, 2025

    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 October 22, 2025
    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 2025-10-21
    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 d7fd2bca-f875-4436-8668-204becdf283e
    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 5c307cae24a5ed18cbbbd46077c72c7f6453f0cf06a6626c23e84a1e5243196a
    Source Schema Version 1.1
    Spatial
    Temporal 1980/2023

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