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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... -
City
Parking Regulation Locations and Signs
City of New York —
The Department of Transportation manages over one million traffic signs in New York City. The file includes the location and a description of parking signs... -
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,... -
County
Allegheny County Crash Data
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
Contains locations and information about every crash incident reported to the police in Allegheny County from 2004 to 2020. Fields include injury severity,... -
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
PA Traffic Counts
City of Philadelphia —
Traffic volumes; measured and calculated amounts of vehicle traffic that travel the sections of road. -
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... -
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... -
2022 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
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.... -
County
Allegheny County Property Sale Transactions
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
This dataset contains data on all Real Property parcels that have sold since 2013 in Allegheny County, PA. Before doing any market analysis on property sales, check... -
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 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... -
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... -
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:... -
Census Tracts in 2000
District of Columbia —
The TIGER/Line Files are shapefiles and related database files (.dbf) that are an extract of selected geographic and cartographic information from the U.S. Census... -
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
DVRPC Traffic Count Viewer
City of Philadelphia —
Traffic Count Viewer is an online mapping application, which users can use to explore traffic count reports in different locations within the Delaware Valley,... -
City
Graffiti Abatement Incidents
City of Tempe —
The Public Works Department operates a robust graffiti abatement program. Its strategic approach includes proactive abatement through directed patrols across the... -
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...