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University
National Park Boundaries
Earth Data Analysis Center, University of New Mexico —
National Park Service unit boundaries. -
Federal
National Bridge Inventory NGDA
Federal Geographic Data Committee —
The National Bridge Inventory dataset is as of June 20, 2025 from the Federal Highway Administration (FHWA) and is part of the U.S. Department of Transportation... -
Building Footprints 2019
District of Columbia —
Building. The dataset contains polygons representing planimetric buildings, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the... -
State
Posted and R-Posted Bridges in New York State
State of New York —
This data set features a hyperlink to the New York State Department of Transportation’s Posted Bridges web page, which includes a link to the Posted Bridges... -
Federal
Airfoil Computational Fluid Dynamics - 2k shapes, 25 AoA's, 3 Re numbers
Department of Energy —
This dataset contains aerodynamic quantities - including flow field values (momentum, energy, and vorticity) and summary values (coefficients of lift, drag, and... -
Federal
Airfoil Computational Fluid Dynamics - 9k shapes, 2 AoA's
Department of Energy —
This dataset contains aerodynamic quantities - including flow field values (momentum, energy, and vorticity) and summary values (coefficients of lift, drag, and... -
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... -
Federal
Collection National Transportation Library (NTL) Repository & Open Science Access Platform (ROSA P)
Department of Transportation —
The National Transportation Library (NTL) provides national and international access to transportation information, coordinates information creation and... -
Federal
Quality-controlled sea surface marine physical, meteorological and other in situ measurements from the NCEI Surface Underway Marine Database (NCEI-SUMD)
National Oceanic and Atmospheric Administration, Department of Commerce —
This collection contains global in-situ sea surface underway measurements from the NOAA NCEI Surface Underway Marine Database (NCEI-SUMD, formerly the NCEI... -
City
SDOT GIS Datasets
City of Seattle —
The City of Seattle Transportation GIS Datasets | https://data-seattlecitygis.opendata.arcgis.com/datasets?t=transportation | Lifecycle status: Production | Purpose:... -
State
California City Boundaries and Identifiers
State of California —
Note: The schema changed in February 2025 - please see below. We will post a roadmap of upcoming changes, but service URLs and schema are now stable. For deployment... -
Federal
Intersection Safety Challenge Stage 1B Sample
Department of Transportation —
This dataset was collected as part of the U.S. Department of Transportation (U.S. DOT) Intersection Safety Challenge (hereafter, “the Challenge”) for Stage 1B: System... -
City
Citywide Low Bridges
City of New York —
Contains the locations with low vertical clearances on the limited access highway system. Click here for metadata -... -
Federal
United States Coast Pilot (volume 1 through 9)
National Oceanic and Atmospheric Administration, Department of Commerce —
The United States Coast Pilot is a series of 9 nautical books that cover a wide variety of information important to navigators of U.S. coastal and intercoastal... -
Federal
IceBridge UAF L1B HF Geolocated Radar Echo Strength Profiles V001
National Aeronautics and Space Administration —
This data set contains radar echograms acquired by the University of Alaska Fairbanks High-Frequency Radar Sounder over select glaciers in Alaska. The data are... -
Sidewalks 2010
District of Columbia —
Sidewalk. The dataset contains polygons representing planimetric sidewalks, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the... -
State
Trail Roadway
State of Connecticut —
DEEP Trails Set: Trail Access Points are point features in the Statewide Trails Database that describe where trails are accessed at trail heads, state and municipal... -
Federal
CO-OPS Air Gap Observations from Various Bridges within the United States and Its Territories
National Oceanic and Atmospheric Administration, Department of Commerce —
The Center for Operational Oceanographic Products and Services (CO-OPS) of the National Ocean Service (NOS), an organizational element of NOAA, operates and maintains...