Question: Wading River was the end of the extension just north of what state highway on Long Island?
Sentence (from "New York State Route 25A"): It serves as the main east–west route for most of the North Shore of Long Island, running for 73 mi from Interstate 495 (I-495) at the Queens–Midtown Tunnel in the New York City borough of Queens to NY 25 in Calverton, Suffolk County.
Relevant evidence: No