Wading River was the end of the extension just north of what state highway on Long Island?
New York State Route 25A New York State Route 25A (NY 25A) is a state highway on Long Island in New York in the United States. 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. The highway is a northern alternate route of NY 25, which follows a more inland routing along Jericho Turnpike.
New York State Route 116 New York State Route 116 (NY 116) is an east–west state highway in Westchester County, New York, in the United States. It extends for 8.12 mi from an intersection with U.S. Route 202 (US 202) in the hamlet of Somers to the Connecticut state line, where it becomes that state's Route 116. As it heads east, NY 116 connects to Interstate 684 (I-684) and has an overlap with NY 121. NY 116 originally extended as far west as Peekskill when it was assigned as part of the 1930 renumbering of state highways in New York. It was cut back to its current length in the late 1930s.