New York State Route 23 is an east–west state highway in the eastern portion of New York in the United States. It extends for 156.15 miles from an intersection with NY 26 in the Central New York town
NY 23 east at NY 8 in South New Berlin
Old shields on NY 7 and NY 23 in Oneonta
Approaching US 9W on NY 23 near Catskill
NY 23 westbound after its brief concurrency with US 9 in Livingston
New York State Route 23B is an east–west state highway located in western Columbia County, New York, in the United States. The route is a former section of NY 23 that runs for 6.71 miles from NY 9G so
New York State Route 23
…the highway encounters NY 9G near the Olana State Historic Site in western Greenport. The two highways briefly overlap until NY 9G continues north with NY 23B to follow NY 23's old course into and through the city of Hudson. NY 23 continues to the southeast, bypassing Hudson well to the south and serving…
Along with US 9, NY 23B heads eastbound through Hudson.