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

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;
• Amtrak Stations;
• Intercity Bus Atlas (ICBA) Routes;
• Intercity Bus Atlas (ICBA) Stops;
• Bikeshare Scooter Systems;
• Federal Aviation Administration (FAA) Offices;
• Federal Aviation Administration (FAA) Regions;
• Pipeline and Hazardous Materials Safety Administration (PHMSA) Offices;
• Pipeline and Hazardous Materials Safety Administration (PHMSA) Regions;
• Federal Highway Administration (FHWA) Federal-Aid Divisions;
• Federal Highway Administration (FHWA) Federal-Aid Division Offices;
• National Transit Map Agencies;
• National Transit Map Routes;
• National Transit Map Stops;
• North American Rail Network Lines;
• North American Rail Network Nodes;
• Rail Yards;
• Railroad Grade Crossings;

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.