Checked
Federal dataTransportation
Special Studies
Published by Department of Transportation · Updated 10/30/2026
- Last updated
- 10/30/2026
- First published 04/25/2024
- Update frequency
- Not listed
- Formats
- 3
- CSV, JSON, XML
- Coverage
- Nationwide
- Federal data
About this dataset
Identifies the study field and study results that arise from ad hoc examination of items, usually inspected in support of a particular study or verification/refutation of a specific trend. This inspection type is a Level IV inspection.
Files and access
Links open the official government source
- CSV downloaddata.transportation.govCSV
- JSON (SODA API)data.transportation.govJSON
- XMLdata.transportation.govXML
API endpoint: https://data.transportation.gov/resource/5qik-smay.json
Links open outside websites we do not control.
Frequently asked questions
- Who publishes Special Studies?
- Department of Transportation publishes this dataset on DOT Data Hub.
- How often is it updated?
- The publisher does not list a schedule. The last update was on 10/30/2026.
- How do I download it?
- It is available as CSV, JSON, XML. Use the links in Files and access, which open the official government source.
Similar data from other publishers
- Speed StudiesCity of Norfolk · Department of TransportationThis dataset contains the results of traffic engineering studies conducted on streets in Norfolk. Residents can apply for a speed hump or speed table to be installed via MyNorfolk. Upon receipt of the request, the Department of Transportation schedules a traffCSVJSONXMLUpdated 03/10/2026
- Speed StudiesState of Virginia · City of NorfolkThis dataset contains the results of traffic engineering studies conducted on streets in Norfolk. Residents can apply for a speed hump or speed table to be installed via MyNorfolk. Upon receipt of the request, the Department of Transportation schedules a traffCSVJSONXMLUpdated 10/03/2026
- Special Tax AreasState of Virginia · Fairfax CountyThis layer contains the boundaries of special tax areas as defined by the taxing authority of Fairfax County. These are special tax districts where additional fees are levied on the properties within the districts. For current tax rates on properties for each CSVZIPGeoJSONKML+1Updated 10/08/2026
- Traffic Speed Studies (Historical)City of Cambridge · Traffic, Parking &Transportation departmentThe Traffic, Parking &Transportation department has conducted over 600 speed studies since 1987. Some locations have been studied more than once. The speed of each passing vehicle is recorded by radar for an hour each in the morning rush hour, evening rush houCSVJSONGeoJSONXMLUpdated 07/24/2024Not updated (static)
- Special Traffic UpdatesCity of New YorkDOT issues traffic alerts, providing the locations of road construction and events where lane and street closings will affect the flow of traffic. http://www.nyc.gov/html/dot/html/motorist/trafalrt.shtmlUpdated 10/30/2024
Where this catalog comes from
- Data.gov CatalogU.S. General Services Administration
- State and local open data portalsSocrata Discovery API
- State and city CKAN portalsCalifornia, Virginia, Boston, Houston and more
- Government ArcGIS Hub sitesCity and county GIS data
Catalog checked 10/30/2026
We list dataset descriptions only. Downloads and APIs link straight to the official government source, which holds the current version and its terms of use.
Source: DOT Data Hub and Data.gov · Last updated 10/30/2026 · Listing only; the data stays with the publisher
Share: