 The western terminus of the street is at Nepperhan Avenue, which connects to U.S. Route 9 (US 9) and New York State Route 9A (NY 9A).Its eastern terminus is at Bronx River Road near the Bronx River Parkway.The entirety of Yonkers Avenue is maintained by the New York State Department of Transportation as New York State Route 983C from Nepperhan Avenue to the Saw Mill River Parkway and New York State Route 984E from the Saw Mill Parkway to Bronx River Road.