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"The concurrent county route number is unsigned, as are all county routes in Niagara County." This information appears in the lead, but not in the body.
The left-alignment of the first image scrunches up the text pretty badly on my monitor. I'd suggest right-aligning it to force it under the infobox. This will also bring it closer to the paragraph about Barker.
Citations look good.
The article is sufficiently well-written and appears to be a comprehensive account.