Data.gov Catalog
Link Tonnages
Published by United States Army Corp of Engineers (USACE)
About this dataset
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