Which tunnel on Route 17 runs underneath the Hudson River?
Lincoln Tunnel The Lincoln Tunnel is an approximately 1.5 mi set of three tunnels under the Hudson River, connecting Weehawken, New Jersey and Midtown Manhattan in New York City. An integral conduit within the New York Metropolitan Area, it was designed by Norwegian-born civil engineer Ole Singstad and named after U.S. President Abraham Lincoln. It is one of two automobile tunnels built under the river, the other being the Holland Tunnel. In 2016, the Lincoln Tunnel carried a daily average of approximately 52,632 motor vehicles (or 19,210,919 for the year).
New York State Route 9A New York State Route 9A (NY 9A) is a state highway in the vicinity of New York City in the United States. Its southern terminus is at the northern end of the Brooklyn–Battery Tunnel in New York City, where it intersects with both the unsigned Interstate 478 (I-478) and FDR Drive. The northern terminus of NY 9A is at U.S. Route 9 (US 9) in Peekskill. It is predominantly an alternate route of US 9 between New York City and Peekskill; however, in New York City, it is a major route of its own as it runs along the West Side Highway and Henry Hudson Parkway. In Westchester County, NY 9A follows the Briarcliff–Peekskill Parkway.