USDOT_BTS_NTAD_Link_Tonnages eng; USA utf8 dataset Navigation and Civil Works Decision Support Center United States Army Corp of Engineers (USACE) CEIWR-NDCWCSC WEBMASTER IWR 7701 Telegraph Road Alexandria VA 22315 US web.CEIWR-NDCWCSCWEBMASTER@usace.army.mil pointOfContact 2026-07-21 ISO 19139 Geographic Information - Metadata ISO/TS 19139:2007 curve 2824 3857 EPSG Link Tonnages 2024-09-27 creation 2025-08-22 publication 2025-08-22 revision United States Army Corp of Engineers (USACE) originator vector The Link Tonnages dataset was sourced on December 31, 2023 and was updated on August 22, 2025 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 tonnage summarized for each link by commodity and direction (upbound and down bound). The commodities include Coal, Petroleum Products, Chemicals, Crude Materials, Manufactured Goods, Farm Products, Machinery, Waste, and Unknown. A data dictionary, or other source of attribute information, is accessible at https://doi.org/10.21949/xm0g-sr86 Link Commodity data for CY 2023. Acknowledgement of the Institute for Water Resources/Waterborne Commerce Statistics Center and the Bureau of Transportation Statistics (BTS) [distributor] onGoing Navigation and Civil Works Decision Support Center United States Army Corp of Engineers (USACE) CEIWR-NDCWCSC WEBMASTER IWR 7701 Telegraph Road Alexandria VA 22315 US web.CEIWR-NDCWCSCWEBMASTER@usace.army.mil pointOfContact annually NTAD National Transportation Atlas Database National Transportation Atlas Database vector line linear Marine Maritime coe Dock domestic foreign navigation tonnage USACE theme none USA National place none 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. otherRestrictions Access Constraints: unrestricted National Transportation Atlas Database 2025-08-22 publication Bureau of Transportation Statistics (BTS) publisher largerWorkCitation vector eng; USA inlandWaters Native Dataset Environment: Version 6.2 (Build 9200) ; Esri ArcGIS 10.8.1.14362 -180 180 -55.9052329307874 72.1997322377216 2023-12-31 0 Link Tonnages A data dictionary resource of attribute information is accessible at https://doi.org/10.21949/xm0g-sr86 Bureau of Transportation Statistics (BTS) NTAD Program Manager 1200 New Jersey Ave. SE Washington DC 20590 United States ntad@dot.gov distributor None. No fees are applicable for obtaining the dataset. https://doi.org/10.21949/kdq4-n690 http Open Data Catalog Web page to view and download dataset. The file download formats available include: ESRI File Geodatabase or Shapefile, GeoPackage, Comma-Seperated Values (CSV), Microsoft Excel, GeoJSON, KML, Feature Collection, and SQLite Geodatabase. download https://doi.org/10.21949/vbmf-3e31 http ArcGIS REST Services Directory Feature Server (WFS) complies with OGC WFS Map Service for visualizing geospatial information download dataset Data set is considered complete for the information presented, as described in the abstract. Users are advised to read the rest of the metadata record carefully for additional details. Data set is considered complete for the information presented, as described in the abstract. Users are advised to read the rest of the metadata record carefully for additional details. Tonnage data was collected directly from vessel operators and joined to the navigable waterway network. asNeeded Navigation and Civil Works Decision Support Center United States Army Corp of Engineers (USACE) CEIWR-NDCWCSC WEBMASTER IWR 7701 Telegraph Road Alexandria VA 22315 United States web.CEIWR-NDCWCSCWEBMASTER@usace.army.mil custodian