U.S. Route 1 (US 1) is a United States highway which parallels the East Coast of the United States, running from Key West, Florida in the south to Fort Kent, Maine at the Canadian border in the north.
 Of the entire length of the route, 66.06 mi of it runs through New Jersey.
 It enters the state from Pennsylvania on the Trenton–Morrisville Toll Bridge over the Delaware River in the state capital of Trenton, running through the city on the Trenton Freeway.
 From here, US 1 continues northeast as a surface divided highway through suburban areas continuing into Middlesex County and passing through New Brunswick and Edison.
 US 1 merges with US 9 in Woodbridge, and the two routes continue through northern New Jersey as US 1/9 to the George Washington Bridge over the Hudson River in Fort Lee.
 At this point, the road continues into New York City along with I-95.
Route 4 is a state highway in Bergen County and Passaic County, New Jersey, United States.
 The highway stretches 10.83 mi from Route 20 (McLean Boulevard) in Paterson east to an interchange with Interstate 95, U.S. Route 1/9, U.S. Route 46, and U.S. Route 9W at the George Washington Bridge approach in Fort Lee.
 The route is a four- to six-lane 40 to divided highway its entire length, with the portion east of the Route 208 interchange in Fair Lawn a partial freeway consisting of interchanges and right-in/right-out intersections with a few businesses along the road, particularly in Paramus, where the route passes through a major shopping area consisting of numerous malls, Hackensack, Englewood, and Fort Lee.
 West of Route 208, the route is a surface arterial that runs through commercial areas.
 Route 4 intersects many important roads, including Route 208 in Fair Lawn and the Garden State Parkway and Route 17 in Paramus.
 The highway is officially named the Mackay Highway, but is rarely referred to as such.
The Cross Bronx Expressway is a major freeway in the New York City borough of the Bronx, conceived by Robert Moses and built between 1948 and 1972.
 It carries traffic on Interstate 95 (I-95) through the city, and serves as a portion of I-295 toward Long Island; a portion is also designated U.S. Route 1 (US 1).
 The Cross Bronx begins at the Alexander Hamilton Bridge over the Harlem River, where the Trans-Manhattan Expressway continues west across Upper Manhattan to the George Washington Bridge.
 While I-95 leaves at the Bruckner Interchange in Throgs Neck, following the Bruckner Expressway and New England Thruway to Connecticut, the Cross Bronx Expressway Extension continues east, carrying I-295 to the merge with the Throgs Neck Expressway near the Throgs Neck Bridge.
 Though the road goes primarily northwest-to-southeast, the nominal directions of all route numbers west of the Bruckner Interchange are aligned with the northbound route number going southeast, and the southbound route number going northwest.
Interstate 95 (I-95) is a major Interstate Highway that traverses nearly the full extent of the East Coast of the United States, from Florida to Maine, with the exception of a small gap in New Jersey.
 In New Jersey, it runs along much of the main line of the New Jersey Turnpike (Exit 6 to Exit 14), as well as the Pearl Harbor Memorial Extension (formerly and still commonly known as the Pennsylvania Turnpike Connector; from Exit 6 to the Delaware River–Turnpike Toll Bridge) and the New Jersey Turnpike's northern continuation (from Exit 14) to the George Washington Bridge, also maintained by the New Jersey Turnpike Authority, for a total of 77.96 mi .
 Located in the northeastern part of the state near New York City, the 11.03 mi Western Spur of the New Jersey Turnpike, considered to be Route 95W by the New Jersey Department of Transportation, is also part of I-95.
 There is also a segment of I-95 to the north of Trenton that is 8.77 mi and connects the Scudder Falls Bridge to I-295 and U.S. Route 1 (US 1); this is officially Route 95M.
U.S. Route 9 (US 9) is a U.S. highway in the northeast United States, running from Laurel, Delaware north to Champlain, New York.
 In New Jersey, the route runs 166.80 mi from the Cape May–Lewes Ferry terminal in North Cape May, Cape May County, where the ferry carries US 9 across the Delaware Bay to Lewes, Delaware, north to the George Washington Bridge in Fort Lee, Bergen County, where the route along with Interstate 95 (I-95) and US 1 continue into New York City.
 US 9 is the longest U.S. highway in the state.
 From North Cape May north to Toms River in Ocean County, US 9 is mostly a two-lane undivided road that closely parallels the Garden State Parkway and runs near the Jersey Shore.
 Along this stretch, it passes through the communities of Rio Grande, Cape May Court House, Somers Point, Pleasantville, Absecon, Tuckerton, Manahawkin, and Beachwood.
 In the Toms River area, US 9 runs along the Garden State Parkway for a short distance before heading northwest away from it and the Jersey Shore into Lakewood Township.
 Upon entering Monmouth County, the route transitions into a multilane suburban divided highway and continues through Howell Township, Freehold Township, Manalapan Township, Marlboro Township, Old Bridge Township, Sayreville, and South Amboy.
 In Woodbridge Township, US 9 merges with US 1 and the two routes continue through northern New Jersey as US 1/9 to the George Washington Bridge.
The George Washington Bridge – known informally as the GW Bridge, the GWB, the GW, or the George – is a double-decked suspension bridge spanning the Hudson River between the Washington Heights neighborhood of Manhattan in New York City and Fort Lee, New Jersey.
 s of 2016 , the George Washington Bridge carried over 103 million vehicles per year, making it the world's busiest motor vehicle bridge.
 It is owned by the Port Authority of New York and New Jersey, a bi-state government agency that operates several bridges, tunnels and airports, as well as marine seaports, and the PATH rapid transit system.
U.S. Route 1/9 (US 1/9) is the 31.01 mi long concurrency of US 1 and US 9 from their junction in Woodbridge Township, Middlesex County, New Jersey north to New York City.
 The route is a multilane road, with some freeway portions, that runs through urbanized areas of northern New Jersey adjacent to New York City.
 Throughout most of its length in New Jersey, the road runs near the New Jersey Turnpike/Interstate 95 (I-95).
 In Fort Lee, US 1/9 merges onto I-95 and crosses the Hudson River on the George Washington Bridge, where the two U.S. routes split a short distance into New York.
 US 1/9 intersects several major roads, including I-278 in Linden, Route 81 in Elizabeth, I-78 and US 22 in Newark, Route 139 in Jersey City, Route 3 and Route 495 in North Bergen, and US 46 in Palisades Park.
 Between Newark and Jersey City, US 1/9 runs along the Pulaski Skyway.
 Trucks are banned from this section of road and must use US 1/9 Truck.
 The concurrency between US 1 and US 9 is commonly referred to as "1 and 9".
 Some signage for the concurrency, as well as the truck route, combines the two roads into one shield, separated by a hyphen (1-9) or an ampersand (1&9).
U.S. Route 1 (US 1) is a part of the U.S. Highway System that runs from Key West, Florida, to the Canada–United States border at Fort Kent, Maine.
 In the U.S. state of New York, US 1 extends 21.54 mi from the George Washington Bridge in Manhattan to the Connecticut state line at Port Chester.
 It closely parallels Interstate 95 (I-95) for much of its course, and does not serve as a major trunk route within the state.
 It does not overlap with any other roads besides I-95 and (briefly) US 9, and few other state highways intersect it.
The Trans-Manhattan Expressway is an east–west limited-access highway in New York City, in the United States.
 It traverses the northern end of the borough of Manhattan at one of its narrowest points, running for 0.8 mi in a cut through Washington Heights.
 The highway connects the George Washington Bridge over the Hudson River to the Alexander Hamilton Bridge over the Harlem River.
 Designated Interstate 95 (I-95) and U.S. Route 1, approximately 280,000 vehicles traverse the highway on a daily average basis.
 Completed in the early 1960s, the George Washington Bridge Bus Station and the high-rise Bridge Apartments built over the expressway create Intermittent tunnels.
 It is operated by the Port Authority of New York and New Jersey.
The Palisades Interstate Parkway (PIP) is a 38.25 mi limited-access highway in the U.S. states of New Jersey and New York.
 The parkway is a major commuter route into New York City from Rockland and Orange counties in New York and Bergen County in New Jersey.
 The southern terminus of the route is at the George Washington Bridge in Fort Lee, New Jersey, where it connects to Interstate 95 (I-95), U.S. Route 1–9 (US 1–9), US 46 and Route 4.
 Its northern terminus is at a traffic circle in Fort Montgomery, New York, where the PIP meets US 9W and US 202 at the Bear Mountain Bridge.
 At exit 18, the PIP forms a concurrency with US 6 for the remaining duration of its run.

Question: how is U.S. Route 1/9 and George Washington Bridge connected?
Answer: New York City