Service Description: The dataset exists to serve the Federal Highway Administration (FHWA) needs in highway planning, policy analysis, and visualization of the NHS database. It is intended for use in understanding and managing the National Highway System, which includes roadways crucial to the nation's economy, defense, and mobility. Also, the dataset is being used by the US DOT to reflect the FHWA-approved technical correction for NHS and STRAHNET.
Service ItemId: da81cfc8690344ffa43f51f3c6640132
Has Versioned Data: false
Max Record Count: 2000
Supported query Formats: JSON
Supports applyEdits with GlobalIds: False
Supports Shared Templates: True
All Layers and Tables
Layers:
Description: The National Highway System (NHS) dataset and its geometries was updated on March 27, 2025 from the Federal Highway Administration (FHWA) and is part of the U.S. Department of Transportation (USDOT)/Bureau of Transportation Statistics (BTS) National Transportation Atlas Database (NTAD). The National Highway System consists of roadways important to the nation’s economy, defense, and mobility. The National Highway System (NHS) includes the following subsystems of roadways: Interstate - The Eisenhower Interstate System of highways, Other Principal Arterials - highways in rural and urban areas which provide access between an arterial and a major port, airport, public transportation facility, or other intermodal transportation facility, Strategic Highway Network (STRAHNET) - a network of highways which are important to the United States’ strategic defense policy and which provide defense access, continuity and emergency capabilities for defense purposes, Major Strategic Highway Network Connectors - highways which provide access between major military installations and highways which are part of the Strategic Highway Network, Intermodal Connectors - highways providing access between major intermodal facilities and the other four subsystems making up the National Highway System. A specific highway route may be on more than one subsystem. A data dictionary, or other source of attribute information, is accessible at https://doi.org/10.21949/1529838
Copyright Text: Acknowledgment of the Federal Highway Administration (FHWA) and Bureau of Transportation Statistics (BTS) [distributor].
Spatial Reference: 102643 (2227)
Initial Extent:
XMin: 6104311.9876069
YMin: 1937021.67679445
XMax: 6131317.50838098
YMax: 1950769.0057681
Spatial Reference: 102643 (2227)
Full Extent:
XMin: 6105242.38598031
YMin: 1932015.85622604
XMax: 6134458.13327582
YMax: 1951834.65824073
Spatial Reference: 102643 (2227)
Units: esriFeet
Child Resources:
Info
SharedTemplates
Supported Operations:
Query
ConvertFormat
Get Estimates