USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

NHS Intermodal Connectors Principal Arterials 2022

NHS = National Highway System or interstate highway system; STRAHNET = Strategic Highway Network or network of highways important to U.S. strategic defense policy

Figure

This map shows the National Highway System (NHS) and other principal arterials and intermodal connectors. The map includes interstates, non-interstate Strategic Highway Networks (STRAHNET), STRAHNET Connectors, other NHS, approved intermodals, segments in dual designated as both an Approved Intermodal Connector and STRAHNET, and principal arterial added to the NHS under MAP-21. Highways are most present in the densely populated urban centers in the northeast and parts and the Midwest, south, and west.

Notes:

MAP-21 principal arterials = those rural and urban roads serving major population centers not already categorized.

Description:

This map is from the 2024 Transportation Statistics Annual Report.

Source:

Department of Transportation (USDOT), Federal Highway Administration, Highway Performance Monitoring System, as cited in USDOT, Bureau of Transportation Statistics, National Transportation Atlas Database, available at www.bts.gov as of October 2024.
 

Publications: