New York State Route 112
State highway in Suffolk County, New York, US
New York State Route 112 (NY 112) is a state highway located entirely within the town of Brookhaven in Suffolk County, New York, in the United States. It runs from an intersection with East Main Street (former NY 27A) in the village of Patchogue to a junction with NY 25A in Port Jefferson Station. It is known locally as Medford Avenue in Patchogue and Patchogue Road in Terryville and Port Jefferson Station. The official name for the road outside these areas is "Patchogue–Port Jefferson Road", though it is often signed simply as "Route 112".
Route description
NY 112 begins at an intersection with East Main Street in the village of Patchogue. The route proceeds northward as a four-lane commercial street as Medford Avenue. Near the intersection with Lakewood Street, NY 112 leaves the village of Patchogue, entering the town of Brookhaven. The route does not change going north, passing Medford Elementary School before entering interchange 53 of Sunrise Highway (NY 27) in the census-designated place of North Patchogue. NY 112 crosses over the Sunrise, continuing north as Medford Avenue as the four-lane boulevard it was prior to the interchange. At the intersection with Shaber Road, the route bends to the northeast, changing names to Medford Road and crossing an intersection with CR 99 (Woodside Avenue), a four-lane arterial through Brookhaven.
Begin with the source’s own compact description: “New York State Route 112” is state highway in Suffolk County, New York, US. The dossier treats that line as a proposition to test through York, State and Route, not as a finished interpretation.
Why this record matters
The phrase “state highway in Suffolk County, New York, US” 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.
The strongest evidence will usually combine a dated visual record with documents produced by the authority responsible for the place. The source revision retrieved here is dated Jul 20, 2026. The linked authority identifier is Q2486239. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank.
Modern boundaries and familiar names can conceal earlier jurisdictions or structures that do not align with the present site. 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 “New York State Route 112”, its source revision and the description used here.
- Expand the search: follow New York State Route 112 primary sources, New York State Route 112 archive and York 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 “New York State Route 112”?
- Which authority defined the place, boundary or structure at the relevant date?
- What physical evidence or contemporary plan supports the description?
Search terms from this dossier
This entry incorporates text from “New York State Route 112” 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.