New York State Route 9X (NY 9X) was a  state highway located within New York City. It served as an alternate route of U.S. Route 9 (US 9) through Manhattan and the Bronx.
New York State Route 9X (NY 9X) was a state highway located in New York City, offering an alternate route for U.S. Route 9 (US 9) through Manhattan and the Bronx, much like other highways provide alternative routes through different parts of cities.