New York State Route 23B

New York State Route 23B
New York State Route 23B
	Map of Columbia and Greene counties with NY 23B highlighted in red
Route information
	Auxiliary route of NY 23
	Maintained by NYSDOT and the city of Hudson
Length	6.71 mi (10.80 km)
Existed	late 1950s–present
Major junctions
West end	NY 9G / NY 23 in Greenport
	US 9 / NY 9G in Hudson
East end	NY 9H / NY 23 in Claverack-Red Mills
Location
Country	United States
State	New York
Counties	Columbia
Highway system
	New York Highways; Interstate; US; State; Reference; Parkways;

New York State Route 23B (NY 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 (10.80 km) from NY 9G southwest of Hudson to NY 9H in Claverack-Red Mills. It provides direct access to the city of Hudson from the Rip Van Winkle Bridge whereas NY 23 bypasses it to the south. NY 23B was assigned in the late 1950s after NY 23 was moved onto its current alignment south of Hudson.

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