State highway in Columbia County, New York, US
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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