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Federal
The NOAA NCEI Global Marine Microplastics Data Collection (1972-present)
National Oceanic and Atmospheric Administration, Department of Commerce —
Microplastics (i.e., plastics measuring less than 5mm) pollution is a growing problem affecting coastal communities, marine ecosystems, aquatic life, and human... -
Federal
MarineCadastre.gov
National Oceanic and Atmospheric Administration, Department of Commerce —
MarineCadastre.gov is a marine information system that provides authoritative ocean data, offshore planning tools, and technical support to the offshore renewable... -
2023 Traffic Volume
District of Columbia —
Traffic volume of Roadway Blocks. The dataset contains traffic volume data, created as part of the District of Columbia, Department of Transportation (DDOT) Roads and... -
Stop Data
District of Columbia —
In July 2019, the Metropolitan Police Department (MPD) implemented new data collection methods that enabled officers to collect more comprehensive information about... -
Closed Circuit TV Street Cameras
District of Columbia —
Closed Circuit TV Street Cameras locations. The dataset contains locations and attributes of CCTV and other cameras, created as part of the DC Geographic Information... -
Census Blocks in 2020
District of Columbia —
Census blocks are statistical areas bounded on all sides by visible features (e.g., streets, roads, streams, and railroad tracks), and by non-visible boundaries (e.g.,... -
Traffic Signal
District of Columbia —
The dataset contains the location and attributes of traffic signals in the District of Columbia. Attributes are aggregated to the controller level (ACISA), where a... -
City
1.08 Crash Data Report (detail)
City of Tempe —
Please note that 2025 data are incomplete and will be updated as additional records become available. Data are complete through 12/31/2024. Fatal and serious injury... -
City
Police Transparency - Calls for Service - All Data (Dataset)
City of Tempe —
The Calls for Service dataset includes police service requests for which patrol officers, traffic officers, bike officers and, on occasion, detectives will be... -
Automated Safety Camera (ASC) Locations and Violations Tracker
District of Columbia —
DC's Automated Safety Camera (ASC) program is designed to create safer roadways for all road users in the District of Columbia. As part of our Vision Zero goal, DDOT’s... -
Federal
Tribal Lands Ceded to the United States (Feature Layer)
Department of Agriculture —
Sixty-seven maps from Indian Land Cessions in the United States, compiled by Charles C. Royce and published as the second part of the two-part Eighteenth Annual... -
Stop Data 2019 to 2022
District of Columbia —
In July 2019, the Metropolitan Police Department (MPD) implemented new data collection methods that enabled officers to collect more comprehensive information about... -
Automated Safety Cameras Table
District of Columbia —
The Automated Safety Cameras (ASC) is a division of the District Department of Transportation (DDOT) that uses photo enforcement cameras as a traffic calming measure... -
City
Jefferson County KY Traffic Web Cameras
Louisville Metro Government —
TRIMARC (Traffic Response and Incident Management Assisting the River City) camera locations in Louisville Metro Kentucky. This feature layer was created from a... -
Traffic Camera
District of Columbia —
The dataset contains location and attributes of traffic controls located at each intersection in the District of Columbia. All traffic poles, pavement markings,... -
City
Traffic Counts
City of Sioux Falls —
Feature layer containing authoritative traffic count points for Sioux Falls, South Dakota.The traffic counts listed are 24-hour, weekday, two-directional counts.... -
City
Customer Service Center
City of Seattle —
Seattle has seven Customer Service Centers and one mobile unit located throughout the city. These "little city halls", formerly known as neighborhood service centers,... -
City
City of Sioux Falls Traffic Camera Viewer
City of Sioux Falls —
Application containing live traffic cameras for Sioux Falls, South Dakota. -
2024 Traffic Volume
District of Columbia —
Traffic volume of Roadway Blocks. The dataset contains traffic volume data, created as part of the District of Columbia, Department of Transportation (DDOT) Roads and... -
City
2022 Traffic Flow Counts
City of Seattle —
Displays vehicle traffic volumes for arterial streets in Seattle based on spot studies that have been adjusted for seasonal variation. Data is a one time snapshot for...