Route 63 is a short, 3.09-mile (4.97 km) long state highway in Hudson and Bergen counties in New Jersey. The route is known as Bergen Boulevard and concurrent with County Route 501 for most of its alignment. The southern terminus is at Kennedy Boulevard and County Route 501 in North Bergen. The route crosses the county line and heads along the boulevard through the communities of Ridgefield, Palisades Park, and Fort Lee before reaching its northern terminus at an interchange with U.S. Route 1-9 and 46 in Fort Lee.

County Route 501 is a county highway in New Jersey in two segments spanning Middlesex, Hudson, and Bergen counties. The southern section runs from South Plainfield to Perth Amboy, the northern section runs from Bayonne to Rockleigh, and the two sections are connected by New York State Route 440 across Staten Island.