The U.S. Department of Transportation’s (USDOT) Bureau of Transportation Statistics (BTS) today released its spring 2026 update to the National Transportation Atlas Database (NTAD), a set of nationwide geographic databases of transportation facilities, networks, and associated infrastructure.

This data release features the addition of one (1) new dataset:

1. 2024 Highway Performance Monitoring System (HPMS) (Federal Highway Administration (FHWA));
    

The updated layers in this release include:

• 119th Congressional Districts –attributes updated weekly;
• Alternative Fueling Stations – updated daily;
• Aviation Facilities – updated monthly;
• Runways – updated monthly;
• Dams – updated weekly;
• Navigation Facilities – updated monthly;
• Inland Electronic Navigational Charts;
• Nonattainment Areas;
• National Parks;
• Federal Transit Administration (FTA) Regions;
• Federal Transit Administration (FTA) Offices;
• Federal Railroad Administration (FRA) Office Locations;
• Maritime Administration (MARAD) Offices;
• Maritime Administration (MARAD) Regions;
• National Highway Traffic Safety Administration (NHTSA) Offices;
• National Highway Traffic Safety Administration (NHTSA) Regions;
• Federal Motor Carrier Safety Administration (FMCSA) Offices;
• Federal Motor Carrier Safety Administration (FMCSA) Regions;
• Federal Highway Administration (FHWA) Regions;
• Federal Highway Administration (FHWA) Offices;
• Pipeline and Hazardous Materials Safety Administration (PHMSA) Offices;
• Pipeline and Hazardous Materials Safety Administration (PHMSA) Regions;
• Metropolitan Planning Organizations (MPOs);
• Railroad Grade Crossings;
• Travel Time to Work;
• Household Size by Vehicles Available;
• Means of Transportation to Work;
• TMAS;
  • Stations;
  • Stations Table;
  • Volume Table;
  • Class Table;
• National Transit Map Agencies;
• National Transit Map Routes;
• National Transit Map Stops;
• Fatality Analysis Reporting System (FARS) data;
  • Highway Traffic Fatalities: 2024 Annual Report File (ARF);
  • Highway Traffic Fatalities: 2023 Final File;
• Amtrak Stations;
• North American Rail Network Lines;
• North American Rail Network Nodes;
• Rail Yards

About the National Transportation Atlas Database

NTAD data is available for download in the following formats: File Geodatabase, Shapefile, GeoJSON, comma-separated values (CSV), Keyhole Markup Language (KML), and more through the BTS Geospatial Data Catalog. Additionally, Web Feature Services (WFS) are available for NTAD datasets. Download our public catalog offering and locate the ‘URL’ column to find a dataset’s web service URL. Vector Tile services are available for select NTAD datasets and are best used for cartographic and visualization purposes, and may be found in the NTAD Vector Tile Group.

BTS now uses a dynamic NTAD publication cycle, with updated data released throughout the year as they become available from their respective government agencies. Follow BTS on X, LinkedIn, and Instagram or subscribe to email updates for announcements of additional dataset releases throughout the year.

Contacts

Media: BTSNews@dot.gov. 
Technical: Dominic Menegus: (202) 306-1587 or ntad@dot.gov.