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    • Monthly NHS Traffic Speed

    Metadata Updated: March 31, 2026

    This dataset reports the historical National Highway System 50th percentile median speeds for various roadway types, months, and vehicles on US roads.

    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 March 31, 2026
    Metadata Updated Date March 31, 2026

    Metadata Source

    Harvested from DOT Socrata Data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date March 31, 2026
    Metadata Updated Date March 31, 2026
    Publisher Federal Highway Administration
    Maintainer
    Identifier https://data.transportation.gov/api/views/ra4w-8xud
    Data First Published 2023-04-25
    Language en-US
    Data Last Modified 2026-03-30
    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 efcd7c20-ae82-4610-94d4-01c0ad1fb17e
    Harvest Source Id a776e4b7-8221-443c-85ed-c5ee5db0c360
    Harvest Source Title DOT Socrata Data.json
    Homepage URL https://www.fhwa.dot.gov/policyinformation/
    License https://www.usa.gov/government-works
    Program Code 021:009
    Source Datajson Identifier True
    Source Hash 83725a9e6369f4ce514280a250d2a63cb4303b8d61c02538320015b20a2065bd
    Source Schema Version 1.1

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