U.S. Route 89 in Arizona
section of U.S. Numbered Highway in Coconino County, Arizona, United States
U.S. Route 89 (US 89) is a U.S. Highway in the U.S. state of Arizona that begins in Flagstaff and heads north to the Utah border northwest of Page. US 89 is among the first U.S. Highways established in Arizona between November 11, 1926, and September 9, 1927. Until 1992, US 89 started at the international border in Nogales and was routed through Tucson, Phoenix and Prescott between Nogales and Flagstaff. State Route 79 and State Route 89 are both former sections of US 89.
Route description
US 89 begins at a junction with I-40 Bus. / US 180 in the city of Flagstaff, Arizona. The highway proceeds northeast, passing by suburban development and the San Francisco Peaks to the west. The highway then continues north through forested areas near Coconino National Forest and Sunset Crater Volcano National Monument.
US 89 progresses north through sparsely populated desert areas. The highway passes through the community of Gray Mountain before entering the Navajo Nation.
“U.S. Route 89 in Arizona” enters the record as section of U.S. Numbered Highway in Coconino County, Arizona, United States. Crown Archives preserves that source wording while asking what Route, Arizona and section can confirm, complicate or overturn.
Why this record matters
“U.S. Route 89 in Arizona” is worth following because a concise public description often conceals a longer documentary argument. Here, Route, Arizona and section provides the most credible route into that argument.
Maps, plans, fabric surveys and administrative records can establish how the site’s name, extent and function changed over time. The source revision retrieved here is dated Mar 28, 2026. The linked authority identifier is Q807368. Authority coordinates are 35.221, -111.588. 1 of 3 selected statements include explicit references; 2 carry qualifiers and 0 use preferred rank. The first chronological checks are 1926, 1927 and 1992.
A single description cannot reconcile every naming convention, rebuilding phase or administrative transfer associated with a place. 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.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “U.S. Route 89 in Arizona”, its source revision and the description used here.
- Expand the search: follow U.S. Route 89 in Arizona primary sources, U.S. Route 89 in Arizona archive and Route research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “U.S. Route 89 in Arizona”?
- Which authority defined the place, boundary or structure at the relevant date?
- Which earlier names or jurisdictions may reveal additional records?
Search terms from this dossier
This entry incorporates text from “U.S. Route 89 in Arizona” 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.