Westchester Avenue is an east/west route from White Plains to Port Chester. It was originally part of NY 119, but that designation was decommissioned with the construction of the Cross Westchester Expressway (I-287), leaving Westchester Avenue with no less than five numerical designations. CR 112 is the easternmost section in Port Chester. Most of it is a locally maintained section of NY 120A. At South Pearl Street, NY 120A splits off, and Westchester Avenue continues east for a few blocks as CR 112 to US 1.
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