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Federal
HPMS Spatial All Sections - 2024
Department of Transportation —
A GeoJSON file with all spatial roadway data for all sections from the 2024 Highway Performance Monitoring System (HPMS) attached to the All Road Network of Linear... -
Federal
National Highway System (NHS)
Department of Transportation —
The National Highway System (NHS) dataset and its geometries was updated on August 08, 2025 from the Federal Highway Administration (FHWA) and is part of the U.S.... -
State
NYS Traffic Data Viewer
State of New York —
This data set features a hyperlink to the New York State Department of Transportation’s (NYSDOT) Traffic Data (TD) Viewer web page, which includes a link to the... -
Interstate Highways
District of Columbia —
Roadway Street Blocks representing Interstates, Freeways, Expressways in the District, This data set was created to act as a basis for public and private institutions... -
State
NYS Roadway Inventory System Viewer
State of New York —
This data set features a hyperlink to the New York State Department of Transportation’s (NYSDOT) Roadway Inventory System (RIS) Viewer web page, which includes a link... -
Federal
Strategic Highway Network (STRAHNET)
Department of Transportation —
The Strategic Highway Network (STRAHNET) dataset and its geometries was updated on August 08, 2025 from the Federal Highway Administration (FHWA) and is part of the... -
Roadway Functional Classification
District of Columbia —
Roadway Street Block by Functional Class. A single line, segmented at all intersections (alley, service road, drive, street, and driveway centerline types),... -
State
National Highway System Interactive Map
State of Connecticut —
The NHS was developed by the Department of Transportation (DOT) in cooperation with the states, local officials, and metropolitan planning organizations (MPOs). -
State
Roadway Classification and Characteristic Maps and Dashboards
State of Connecticut —
Web application that allows the user to query a variety of roadway characteristics including; Functional Classification, Scenic Roadways, National Highway System,... -
Federal
Wild and Scenic Rivers 2018 Linked to the NHDPlusV2.1
Department of the Interior —
These data depict the National Hydrography Dataset Plus Version 2.1 (NHDPlusV2.1) flowline representation of the National Wild and Scenic Rivers System throughout the...