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    • Principal Ports

    Metadata Updated: December 19, 2025

    The Principal Ports dataset is periodically updated by the United States Army Corp of Engineers (USACE) and is part of the U.S. Department of Transportation (USDOT)/Bureau of Transportation Statistics (BTS) National Transportation Atlas Database (NTAD). The principal port file contains USACE port codes, geographic location, names, and commodity tonnage summaries (total tons, domestic, foreign, imports and exports) for principal USACE ports for CY 2023. A data dictionary, or other source of attribute information, is accessible at https://doi.org/10.21949/1529073

    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 December 16, 2025
    Metadata Created Date August 3, 2024
    Metadata Updated Date December 19, 2025
    Reference Date(s) July 1, 2013 (creation), April 17, 2025 (revision)
    Frequency Of Update asNeeded

    Metadata Source

    Harvested from National Transportation Atlas Database (NTAD) Metadata

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Date December 16, 2025
    Metadata Created Date August 3, 2024
    Metadata Updated Date December 19, 2025
    Reference Date(s) July 1, 2013 (creation), April 17, 2025 (revision)
    Responsible Party United States Army Corp of Engineers (USACE) (Point of Contact)
    Contact Email
    Guid Principal Ports
    Category Tag 16E15F51 D96E 4051 9124 75665Abdc6Ff ["Transportation","Transportation Nodes"]
    Access Constraints Access Constraints: unrestricted
    Bbox East Long -64.5126717687684
    Bbox North Lat 61.4840445473463
    Bbox South Lat 17.6234713274883
    Bbox West Long -166.774838883283
    Coupled Resource
    Frequency Of Update asNeeded
    Harvest Object Id 99999e02-8809-47d7-9eb5-a1798458f986
    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. This data set is publicly available without any use restrictions; however, this data set was developed for use at a national scale and may not be appropriate for use in local scale mapping.
    Lineage
    Metadata Language eng; USA
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": [[[-166.774838883283, 17.6234713274883], [-64.5126717687684, 17.6234713274883], [-64.5126717687684, 61.4840445473463], [-166.774838883283, 61.4840445473463], [-166.774838883283, 17.6234713274883]]]}
    Progress onGoing
    Spatial Data Service Type
    Spatial Reference System 3857
    Spatial Harvester True

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