Principal Ports and Port Areas (NTAD)

Name: Principal Ports and Port Areas (NTAD)
Creator: U.S. Department of Transportation, Bureau of Transportation Statistics (BTS) / United States Army Corp of Engineers (USACE)
License: https://creativecommons.org/publicdomain/mark/1.0/

U.S. Department of Transportation, Bureau of Transportation Statistics (BTS) / United States Army Corp of Engineers (USACE)

License: Public domain
Commercial: Yes
Format: Shapefile, CSV
Coverage: United States and territories (national transportation infrastructure)

Last updated: Added to findgis 6 Nov 2026 · Update frequency Irregular

Source and attribution

Publisher

U.S. Department of Transportation, Bureau of Transportation Statistics (BTS) / United States Army Corp of Engineers (USACE)

License

Public domain

Commercial use: Yes
Attribution required: No
Modification allowed: See publisher
Redistribution allowed: See publisher
Share-alike: No

Official publisher ArcGIS item licenseInfo: Principal Ports: "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." Port Areas: "Port boundaries are for statistical data collection and tabulation purposes only. Their depiction and designation for statistical purposes does not constitute a determination of jurisdictional authority or rights of ownership or entitlement and they are not legal land descriptions."License text

Region

United StatesUS

Type

Vector

Download

Principal Ports geometry (Shapefile; 5.664 MB)Principal Ports attributes (CSV; 0.017 MB)Port Areas geometry (Shapefile; 8.718 MB)Port Areas attributes (CSV; 0.076 MB)

Service

ArcGIShttps://services7.arcgis.com/n1YM8pTrFmm7L4hs/ArcGIS/rest/services/Principal_Ports/FeatureServer/0ArcGIShttps://services7.arcgis.com/n1YM8pTrFmm7L4hs/ArcGIS/rest/services/Port_Statistical_Area/FeatureServer/0

Extent

-180-1818072.3West, south, east, north. Approximate region extent.

View on CartaTerra

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