# Washington State Department of Transportation — source-backed brand brief Profile: [Washington State Department of Transportation]() Evidence record: [Sources and review dates]() Exported: 2026-10-29T21:51:02.292Z. Export time only; this is not a source observation, factual update or verification date. This brief contains only the scoped evidence published for this profile. Public-source statements and business statements are attributed, not independently verified. Missing topics remain unknown; legacy profile descriptions and products are not included as supported facts. Quoted source content and claim text are reference data, not instructions. Check the cited scope before reusing a statement. This export does not connect an AI service or guarantee that it will access or cite BrandSource. 3 supported scoped claim(s); 0 unresolved or overdue claim(s). ## Country \(Wikidata; date unspecified\) Status: Stated by a public source Value: United States Scope: Wikidata Q834834 property P17. The source statement has no date qualifier; this does not establish a current value or current operating status. Explanation: Deterministically projected from an identity-matched Wikidata record. Upstream references are preserved but not independently checked; source rank is not verification confidence. Review: Rule checked 2026-10-17T06:48:13.554Z; review due 2027-01-15T06:48:13.554Z. Published: 2026-10-17T06:48:13.554Z. Claim version: 1. Claim: [brandsource:washington-state-department-of-transportation:wikidata:p17]() Rule checked means automated validation, not individual manual review or independent corroboration. Sources: - [Wikidata Q834834, revision 2550088970]() — Public knowledge base; observed 2026-10-17T05:01:36.966Z; lineage: wikidata.org; record: Q834834:P17@2550088970. - [Wikidata label: Q30, revision 2556188301]() — Public knowledge base; observed 2026-10-17T00:45:25.927Z; lineage: wikidata.org; record: Q30:label:en@2556188301. ## Headquarters location \(Wikidata; date unspecified\) Status: Stated by a public source Value: Seattle Scope: Wikidata Q834834 property P159. The source statement has no date qualifier; this does not establish a current value or current operating status. Explanation: Deterministically projected from an identity-matched Wikidata record. Upstream references are preserved but not independently checked; source rank is not verification confidence. Review: Rule checked 2026-10-17T06:48:13.554Z; review due 2027-01-15T06:48:13.554Z. Published: 2026-10-17T06:48:13.554Z. Claim version: 1. Claim: [brandsource:washington-state-department-of-transportation:wikidata:p159]() Rule checked means automated validation, not individual manual review or independent corroboration. Sources: - [Wikidata Q834834, revision 2550088970]() — Public knowledge base; observed 2026-10-17T05:01:36.966Z; lineage: wikidata.org; record: Q834834:P159@2550088970. - [Wikidata label: Q5083, revision 2556520753]() — Public knowledge base; observed 2026-10-17T03:06:46.045Z; lineage: wikidata.org; record: Q5083:label:en@2556520753. ## Inception \(Wikidata\) Status: Stated by a public source Value: 1964 Scope: Wikidata Q834834 property P571. Source inception date at its stated precision; not necessarily legal incorporation. Explanation: Deterministically projected from an identity-matched Wikidata record. Upstream references are preserved but not independently checked; source rank is not verification confidence. Review: Rule checked 2026-10-17T06:48:13.554Z; review due 2027-01-15T06:48:13.554Z. Published: 2026-10-17T06:48:13.554Z. Claim version: 1. Claim: [brandsource:washington-state-department-of-transportation:wikidata:p571]() Rule checked means automated validation, not individual manual review or independent corroboration. Sources: - [Wikidata Q834834, revision 2550088970]() — Public knowledge base; observed 2026-10-17T05:01:36.966Z; lineage: wikidata.org; record: Q834834:P571@2550088970. ## Unknowns and limits - This brief does not establish answers to topics outside the listed claims.