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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... -
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... -
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... -
Roads 2017
District of Columbia —
Roads. The dataset contains polygons representing planimetric roads, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief... -
Railroads 2017
District of Columbia —
Railroad. The dataset contains polylines representing planimetric railroads, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of... -
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:... -
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... -
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... -
Small Area Plans
District of Columbia —
This dataset contains areal locations for Major Area Pans as established by the DC Office of Planning. Below are brief descriptions about each area. 1. Benning Road:... -
State
Connecticut Railroads
State of Connecticut —
Connecticut Railroads is a 1:24,000-scale, feature-based layer that includes railroad features on the U.S. Geological Survey (USGS) 7.5 minute topographic quadrangle... -
Railroads 2015
District of Columbia —
Railroad. The dataset contains polygons representing planimetric railroads, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the... -
Federal
Coastal Ocean Reanalysis (CORA)
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA's Coastal Ocean Reanalysis (CORA) couples long-term water level observations with hydrodynamic modeling to create historical information between tide stations to... -
Traffic Barrier 2017
District of Columbia —
Traffic Barrier. The dataset contains polylines representing planimetric barriers, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office... -
Federal
UNH TDP - Concurrent Measurements of Inflow, Power Performance, and Loads for a Grid-Synchronized Vertical Axis Cross-Flow Turbine Operating in a Tidal Estuary
Department of Energy —
This data was collected between October 12 and December 15 of 2021 at the University of New Hampshire (UNH) and Atlantic Marine Energy Center (AMEC) turbine... -
Curbs 2017
District of Columbia —
Curb Line. The dataset contains polylines representing planimetric curbs, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the... -
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...