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    • Travel Monitoring Analysis System Class

    Metadata Updated: April 15, 2026

    The Travel Monitoring Analysis System (TMAS) - Class dataset was updated on December 31, 2025 and was created on March 23, 2026 by the Federal Highway Administration (FHWA), and is part of the U.S. Department of Transportation (USDOT)/Bureau of Transportation Statistics (BTS) National Transportation Atlas Database (NTAD). The TMAS Continuous Vehicle Classification (CVC) data represents both the FHWA 13 vehicle types and length-based class as defined by the 2001 Traffic Monitoring Guide (TMG). For more information consult https://doi.org/10.21949/1519109 A data dictionary, or other source of attribute information, is accessible at https://doi.org/10.21949/1529345

    Access & Use Information

    License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    Dates

    Metadata Date April 14, 2026
    Metadata Created Date August 6, 2024
    Metadata Updated Date April 15, 2026
    Reference Date(s) July 1, 2020 (creation), March 23, 2026 (revision)
    Frequency Of Update annually

    Metadata Source

    Harvested from National Transportation Atlas Database (NTAD) Metadata

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Date April 14, 2026
    Metadata Created Date August 6, 2024
    Metadata Updated Date April 15, 2026
    Reference Date(s) July 1, 2020 (creation), March 23, 2026 (revision)
    Responsible Party Federal Highway Administration (FHWA) (Point of Contact)
    Contact Email
    Guid Travel Monitoring Analysis System Class
    Access Constraints Access Constraints: unrestricted
    Coupled Resource
    Frequency Of Update annually
    Harvest Object Id 1b7e6496-e8e1-4468-82ec-a6d24be751c5
    Harvest Source Id ee45e034-47c1-4a61-a3ec-de75031e6865
    Harvest Source Title National Transportation Atlas Database (NTAD) Metadata
    Licence This NTAD dataset is a work of the United States government as defined in 17 U.S.C. § 101 and as such are not protected by any U.S. copyrights. This work is available for unrestricted public use.
    Lineage
    Metadata Language eng; USA
    Metadata Type geospatial
    Progress onGoing
    Spatial Data Service Type
    Spatial Reference System 3857
    Spatial Harvester True

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