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Federal
Datasets managed by the NSF Arctic Data Center and archived at the NOAA National Centers for Environmental Information
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Science Foundation (NSF) Arctic Data Center (ADC) preserves and provides access to multi-disciplinary NSF-funded global cryosphere-land-ocean-atmosphere... -
Federal
North American Rail Network Lines - Class I Freight Railroads View
Department of Transportation —
The North American Rail Network (NARN) Rail Lines: Class I Freight Railroads View dataset is from the Federal Railroad Administration (FRA) and is part of the U.S.... -
Federal
National Hydrography Dataset Plus - NHDPlus
U.S. Environmental Protection Agency —
This high-level metadata data document will be supplemented with detailed regional metadata at a later date. The NHDPlusV2 is an integrated suite of application-ready... -
Federal
Collection TIGERweb, 2017, Series Information for the TIGERweb, Web Mapping Service and REST files
U.S. Census Bureau, Department of Commerce —
TIGERweb allows the viewing of TIGER spatial data online and for TIGER data to be streamed to your mapping application. TIGERweb consists of a web mapping service and... -
Federal
North American Rail Network Lines NGDA
Department of Transportation —
The North American Rail Network (NARN) Rail Lines dataset was created in 2016 and was updated on September 30, 2025 from the Federal Railroad Administration (FRA) and... -
Federal
National Highway Planning Network
Department of Transportation —
The National Highway Planning Network (NHPN) dataset was compiled on May 01, 2014 from the Federal Highway Administration (FHWA) and is part of the U.S. Department of... -
Federal
Access to Jobs and Workers via Transit - Download
U.S. Environmental Protection Agency —
A collection of performance indicators and regional benchmarks for consistently comparing neighborhoods (census block groups) across the US in regards to their... -
Federal
Amtrak Routes
Department of Transportation —
The Amtrak Routes dataset updated September 30, 2025 from the Federal Railroad Administration (FRA) and is part of the U.S. Department of Transportation... -
Federal
Global Roads Open Access Data Set, Version 1 (gROADSv1)
National Aeronautics and Space Administration —
The Global Roads Open Access Data Set, Version 1 (gROADSv1) was developed under the auspices of the CODATA Global Roads Data Development Task Group. The data set... -
Federal
Urban Areas
Department of Transportation —
The Urban Areas dataset was compiled on January 01, 2025 from the U.S. Department of Commerce, U.S. Census Bureau, Geography Division and is part of the U.S.... -
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
Environmental Hazards and Mud Volcanoes in Romania
National Oceanic and Atmospheric Administration, Department of Commerce —
Romania, an eastern European country, is severely affected by a variety of natural hazards. These include frequent earthquakes, floods, landslides, soil erosion, and... -
Federal
China Dimensions Data Collection: China County-Level Data from Provincial Economic Yearbooks, Keyed to 1:1M GIS Map
National Aeronautics and Space Administration —
The China County-Level Data on Provincial Economic Yearbooks, Keyed To 1:1M GIS Map consists of socioeconomic and boundary data for the administrative regions of... -
Federal
Intermodal Passenger Connectivity Database (IPCD)
Department of Transportation —
The Intermodal Passenger Connectivity Database (IPCD) dataset was compiled on August 10, 2021 and was updated October 19, 2022 from the Bureau of Transportation... -
Federal
Shipping Fairways, Lanes, and Zones for US waters
National Oceanic and Atmospheric Administration, Department of Commerce —
Various shipping zones delineate activities and regulations for marine vessel traffic. Traffic lanes define specific traffic flow, while traffic separation zones... -
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.... -
Federal
Meteorological and oceanographic data collected from the National Data Buoy Center Coastal-Marine Automated Network (C-MAN) and moored (weather) buoys
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Data Buoy Center (NDBC) established the Coastal-Marine Automated Network (C-MAN) for the National Weather Service in the early 1980's. NDBC has installed... -
Federal
EnviroAtlas Estimated Intersection Density of Walkable Roads Web Service
U.S. Environmental Protection Agency —
This EnviroAtlas dataset estimates the intersection density of walkable roads within a 750 meter radius of any given 10 meter pixel in each EnviroAtlas community.... -
Federal
5-Minute Surface Weather Observations from the Automated Surface Observing Systems (ASOS) Network
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset includes five-minute reports with elements for wind speed and direction, visibility, present weather, temperature, dew point temperature, station...