U.S. Department of Transportation, Open Data Team (Office of the Secretary)
Written reply to our question about reusing data from data.transportation.gov
Received by HowIsTheUSDoing on 2026-10-08 (sent 2026-10-08 07:15 -0400 from opendata@dot.gov, copied to Highway-Data@dot.gov, in reply to our email of 2026-10-07).
This is the text of the department's reply, kept as a record. The reply itself (with email headers) is kept privately.
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Hello,

We appreciate you reaching out with your question.

Data listed in the DOT Data Inventory at data.transportation.gov/data.json
is under CC 1.0 Universal (Creative Commons Zero). There are no
restrictions for third parties to reuse the data for commercial or
non-commercial purposes and no attribution is required.

See https://creativecommons.org/publicdomain/zero/1.0/legalcode.en for more
information.

Thank you,
Open Data Team
Office of the Secretary
U.S. Department of Transportation
opendata@dot.gov

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Our question asked about: Bureau of Transportation Statistics "Transportation Services Index and Seasonally-Adjusted Transportation Data" (dataset bw6n-ddqk) and Federal Highway Administration "Persons Killed in Motor Vehicle Crashes by Functional System (FI-20)" (dataset nxha-wg33). Both are listed in the DOT Data Inventory (checked 2026-10-08; the inventory's license field for both reads https://www.usa.gov/government-works).