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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,... -
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... -
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... -
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... -
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,... -
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... -
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... -
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... -
County
Non-Traffic Citations
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
Non-traffic citations (NTCs, also known as "summary offenses") document low-level criminal offenses where a law enforcement officer or other authorized official... -
City
PA State Roads
City of Philadelphia —
State-owned and maintained public roads within Pennsylvania as extracted from the PENNDOT Roadway Management System (RMS). Includes fields describing pavement type,... -
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.,... -
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... -
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... -
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... -
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... -
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
Intelligent Transportation Systems (ITS) Costs
Department of Transportation —
The Intelligent Transportation Systems Joint Program Office (ITS JPO) of the U.S. Department of Transportation (U.S. DOT) established the ITS Costs Database as a... -
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... -
City
Crashes data
City of Philadelphia —
This data set contains crash data for many years from the Pennsylvania Department of Transportation (Penn DOT). This is a subset of theCitySDOT Collisions All Years
City of Seattle —
SDOT Collisions All Years is provided by SPD and recorded by Traffic Records. This feature includes all types of collisions and will display at the intersection or...194 datasets found for "City Traffic Signs"