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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,... -
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... -
Parking Violations Issued in January 2026
District of Columbia —
Parking citation locations in the District of Columbia. The Vision Zero data contained in this layer pertain to parking violations issued by the District of Columbia's... -
Parking Violations Issued in February 2026
District of Columbia —
Parking citation locations in the District of Columbia. The Vision Zero data contained in this layer pertain to parking violations issued by the District of Columbia's... -
City
2021 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... -
Parking Violations Issued in May 2025
District of Columbia —
Parking citation locations in the District of Columbia. The Vision Zero data contained in this layer pertain to parking violations issued by the District of Columbia's... -
City
Calls for Service (UCR Reporting Period 2017 - 2021)
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... -
Parking Violations Issued in December 2025
District of Columbia —
Parking citation locations in the District of Columbia. The Vision Zero data contained in this layer pertain to parking violations issued by the District of Columbia's... -
Parking Violations Issued in April 2024
District of Columbia —
Parking citation locations in the District of Columbia. The Vision Zero data contained in this layer pertain to parking violations issued by the District of Columbia's... -
Federal
2013 Tanker Vessel Density
National Oceanic and Atmospheric Administration, Department of Commerce —
Automatic Identification Systems (AIS) are a navigation safety device that transmits and monitors the location and characteristics of many vessels in U.S. and... -
Parking Violations Issued in March 2012
District of Columbia —
Parking citation locations in the District of Columbia. The Vision Zero data contained in this layer pertain to parking violations issued by the District of Columbia's... -
Parking Violations Issued in July 2009
District of Columbia —
Parking citation locations in the District of Columbia. The Vision Zero data contained in this layer pertain to parking violations issued by the District of Columbia's... -
Parking Violations Issued in April 2010
District of Columbia —
Parking citation locations in the District of Columbia. The Vision Zero data contained in this layer pertain to parking violations issued by the District of Columbia's... -
Parking Violations Issued in September 2024
District of Columbia —
Parking citation locations in the District of Columbia. The Vision Zero data contained in this layer pertain to parking violations issued by the District of Columbia's... -
Federal
2017 Vessel Transit Counts by Type
National Oceanic and Atmospheric Administration, Department of Commerce —
Automatic Identification Systems (AIS) are a navigation safety device that transmits and monitors the location and characteristics of many vessels in U.S. and... -
City
Calls for Service (NIBRS Reporting Period 2022 - Present)
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... -
City
Traffic Study Flow Counts
City of Seattle —
Displays traffic study flow count data maintained by Seattle Department of Transportation.Users can utilize following definition query for traffic count study data... -
Parking Violations Issued in March 2014
District of Columbia —
Parking citation locations in the District of Columbia. The Vision Zero data contained in this layer pertain to parking violations issued by the District of Columbia's... -
2020 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...