Connecticut Route 150
State highway in New Haven County, Connecticut, US
Route 150 is a state highway in southern Connecticut running for 9.04 miles (14.55 km) from the village of Northford, in the town of North Branford, through the center of Wallingford, to the village of Yalesville in Wallingford.
Route description
Route 150 begins at an intersection with Route 22 in North Branford and heads northwest into Wallingford. In Wallingford, it heads north, intersecting I-91 at Exit 13. It then continues north and northwest to the center of Wallingford, where it crosses US 5. It then crosses the Quinnipiac River and intersects the Wilbur Cross Parkway (Route 15) at Exit 58B, where it bends north-northeast. It meets Route 68 in the center of Yalesville just before crossing the Quinnipiac a second time. It then overlaps Route 71 for 0.13 miles through the one-lane Yalesville Underpass. After the underpass, Route 71 turns off to the southeast as Route 150 continues to end at US 5 just South of the Meriden town line.
History
The road from Wallingford Center to the village of Northford was known as State Highway 226 in the 1920s. Route 150 was commissioned in 1932 partly from the western half of old Highway 226, running east–west from Cheshire to McKenzie Reservoir in eastern Wallingford along Wallingford Road, Center Street, East Center Street.
The public source identifies “Connecticut Route 150” as state highway in New Haven County, Connecticut, US. This brief keeps that definition visible, then builds a research path around Connecticut, Route and State.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Connecticut Route 150”, the useful work is to connect “state highway in New Haven County, Connecticut, US” to the records capable of establishing context and consequence.
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 Jul 19, 2026. The linked authority identifier is Q2254766. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1932.
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 “Connecticut Route 150”, its source revision and the description used here.
- Expand the search: follow Connecticut Route 150 primary sources, Connecticut Route 150 archive and Connecticut 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 “Connecticut Route 150”?
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- What physical evidence or contemporary plan supports the description?
Search terms from this dossier
This entry incorporates text from “Connecticut Route 150” 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.