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Iowa Highway 415

state highway in Iowa, United States

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionApr 17, 2026
Entity authorityQ1479837
Source-derived summary

Iowa Highway 415 is a short state highway that runs mostly north-to-south in central Iowa. Iowa 415 begins at U.S. Highway 6 in Des Moines and ends at Iowa Highway 141 east of Granger. Prior to 2003, Iowa 415 extended north from Polk City and ended at Iowa Highway 17 south of Madrid. Now, Iowa 415 turns west at Polk City and crosses the Des Moines River at Saylorville Lake prior to ending at Iowa 141. Since the rerouting in 2003, the northern terminus for Iowa 415 is now farther south than its northernmost point in Polk City.

Route description

Iowa Highway 415 begins at an intersection with U.S. Highway 6, which runs along Euclid Avenue, in Des Moines. Iowa 415 heads north along Second Avenue through Des Moines' Highland Park neighborhood. It exits Des Moines and enters Saylor Township, where it passes a Firestone Tire and Rubber Company factory and intersects Interstate 35 / Interstate 80. Iowa 415 continues north as a four-lane divided highway and passes the Margo Frankel Woods State Park. Just east of Saylorville, Iowa 415 intersects NE 66 Avenue at a diamond interchange.

Editorial summary

Begin with the source’s own compact description: “Iowa Highway 415” is state highway in Iowa, United States. The dossier treats that line as a proposition to test through Iowa, Highway and state, not as a finished interpretation.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current lead gives the account dated anchors—2003—that can be checked directly. The linked authority record independently contributes the date 1959. For this dossier, Iowa, Highway and state is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “state highway in Iowa, United States” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

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 Apr 17, 2026. The linked authority identifier is Q1479837. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2003.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. 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

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.

Best used for
  • Subject orientation
  • Search vocabulary
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The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Iowa Highway 415”, its source revision and the description used here.
  2. Expand the search: follow Iowa Highway 415 primary sources, Iowa Highway 415 archive and Iowa 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

  1. Which source most directly establishes the central claim about “Iowa Highway 415”?
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  3. What terminology or title could unlock a more precise catalogue search?
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Source & attribution

This entry incorporates text from Iowa Highway 415” 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.