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Detroit Department of Transportation

Public transportation agency in Detroit, Michigan

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 20, 2026
Entity authoritySource title only
Source-derived summary

The Detroit Department of Transportation (DDOT) is the primary public transportation operator serving the city of Detroit in the U.S. state of Michigan. Operating since 1922, DDOT is a division of the government of the city of Detroit, headed by a director appointed by the mayor. DDOT operates 37 bus routes, primarily serving Detroit and its enclaves, and is accompanied by the Suburban Mobility Authority for Regional Transportation (SMART), which operates similar service in the suburbs. In 2025, the system had a ridership of 14,737,000, or about 49,400 per weekday as of the second quarter of 2026.

Editorial summary

The public source identifies “Detroit Department of Transportation” as public transportation agency in Detroit, Michigan. This brief keeps that definition visible, then builds a research path around Detroit, Department and Transportation.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—1922, 2025, 2026—that can be checked directly. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with Detroit, Department and Transportation providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Detroit Department of Transportation”, the useful work is to connect “public transportation agency in Detroit, Michigan” to the records capable of establishing context and consequence.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 20, 2026. The first chronological checks are 1922, 2025 and 2026.

Critical limits

A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

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Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

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  1. Establish the record: confirm the title “Detroit Department of Transportation”, its source revision and the description used here.
  2. Expand the search: follow Detroit Department of Transportation primary sources, Detroit Department of Transportation archive and Detroit research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

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Source & attribution

This entry incorporates text from “Detroit Department of Transportation” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.