Question: When was the operator of the Outerbridge Crossing established?

full_context: Document 1: Verrazano-Narrows Bridge: The Verrazano-Narrows Bridge is a double-decked suspension bridge that connects the New York City boroughs of Staten Island and Brooklyn. It spans the Narrows, a body of water connecting the relatively protected upper bay with the larger, wide open lower bay.
Document 2: List of NJ Transit bus routes (100–199): New Jersey Transit operates interstate bus routes in northern New Jersey, most terminating at the Port Authority Bus Terminal (PABT) in Midtown Manhattan. There are several routes to the George Washington Bridge Bus Terminal and one serves Lower Manhattan via the Holland Tunnel. Some of the routes that use the Lincoln Tunnel to the PABT travel along the marginal road of Route 495 allowing for local connections in Hudson County.
Document 3: Landing Lane Bridge: Landing Lane Bridge is part of County Route 609 and spans the Raritan River and the Delaware and Raritan Canal in New Jersey. The two lane bridge connects Piscataway to the north with New Brunswick and Franklin Township to the south. The approaching roadways on both sides are known as "Landing Lane." The Delaware and Raritan Canal State Park and towpath is accessible from the bridge.
Document 4: Construction of the World Trade Center: The construction of New York City's first World Trade Center complex was conceived as an urban renewal project, spearheaded by David Rockefeller, to help revitalize Lower Manhattan. The project was developed by the Port Authority of New York and New Jersey, which hired architect Minoru Yamasaki who came up with the specific idea for twin towers. After extensive negotiations, the New Jersey and New York state governments, which oversee the Port Authority, agreed to support the World Trade Center project, which was built at the site of Radio Row in the Lower West Side of Manhattan, New York City. To make the agreement acceptable to New Jersey, the Port Authority agreed to take over the bankrupt Hudson & Manhattan Railroad, which brought commuters from New Jersey to the Lower Manhattan site and, upon the Port Authority's takeover of the railroad, was renamed PATH.
Document 5: National Parks of New York Harbor: National Parks of New York Harbor is the name of an office of the National Park Service that coordinates administration of eleven NPS sites that include 23 unique destinations located in the New York metropolitan area. National Parks of New York Harbor was formed in 2003 and administers properties ranging from the Statue of Liberty National Monument in New York Harbor to Gateway National Recreation Area in several locations and Saint Paul's Church National Historic Site in Mount Vernon, New York. Despite its name, technically the office does not oversee any national parks, but rather national monuments, national memorials, national historic sites, and a large national recreation area. Properties overseen by the office make up 27000 acre and attract more than 12 million visitors each year. They are served by a visitor's center at Federal Hall National Memorial.
Document 6: Statue of Liberty National Monument: The Statue of Liberty National Monument is a United States national monument located in the U.S. states of New Jersey and New York comprising Liberty Island and Ellis Island. It includes "Liberty Enlightening the World", commonly known as the Statue of Liberty, situated on Liberty Island, and the former immigration station at Ellis Island which opened in 1892 and closed in 1954. The monument is managed by the National Park Service as part of the National Parks of New York Harbor office.
Document 7: Port Authority Bus Terminal: The Port Authority Bus Terminal (PABT) is the main gateway for interstate buses into Manhattan in New York City. It is owned and operated by the Port Authority of New York and New Jersey (PANYNJ). Colloquially called the Port Authority, the bus terminal is located in Midtown at 625 Eighth Avenue between 40th Street and 42nd Street, one block east of the Lincoln Tunnel and one block west of Times Square. The PABT, opened in 1950 between 8th and 9th Avenues and 40th and 41st Streets, was built to consolidate the many different private terminals spread across Midtown Manhattan. A second wing extending to 42nd Street was added in 1979. It is one of three bus terminals operated by the PANYNJ, the others being the George Washington Bridge Bus Station in Upper Manhattan and the Journal Square Transportation Center in Jersey City.
Document 8: New Jersey Route 440: Route 440 is a state highway in New Jersey, United States. It comprises two segments, a 5.15 mi freeway in Middlesex County linking Interstate 287 and the New Jersey Turnpike (Interstate 95) in Edison to the Outerbridge Crossing in Perth Amboy and a 8.18 mi four-lane divided highway in Hudson County running from the Bayonne Bridge in Bayonne to U.S. Route 1/9 Truck in Jersey City. These two segments are connected by New York State Route 440, which runs across Staten Island. The freeway portion in Middlesex County is six lanes wide and interchanges with the Garden State Parkway and U.S. Route 9 in Woodbridge.
Document 9: 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.
Document 10: Outerbridge Crossing: The Outerbridge Crossing is a cantilever bridge which spans the Arthur Kill. The "Outerbridge", as it is often known, connects Perth Amboy, New Jersey, with Staten Island, New York. It carries NY 440 and NJ 440, the two roads connecting at the state border near the bridge's center. The Outerbridge Crossing is one of three vehicular bridges connecting New Jersey with Staten Island, and like the others, is maintained and operated by the Port Authority of New York and New Jersey. The others are the Bayonne Bridge (which also carries NJ 440 and NY 440), which connects Staten Island with Bayonne, and the Goethals Bridge, which connects the island with Elizabeth.
Document 11: New York State Route 440: New York State Route 440 (NY 440) is a state highway located entirely on Staten Island in New York City. The route acts as a connector between the two segments of New Jersey Route 440, running from the Staten Island community of Richmond Valley to the south to Port Richmond to the north. NY 440 is connected to the two New Jersey segments by the Outerbridge Crossing to the south and the Bayonne Bridge to the north. It is one of several signed New York State routes that are not connected to any others in the state, and one of only two NYS routes (NY 426 being the other) that is the middle section of another state's highway bearing the same number. Much of NY 440 is a limited-access highway. From the Richmond Parkway (Korean War Veterans Parkway) to Interstate 278 (I-278), it is known as the West Shore Expressway. North of I-278, it is named the Dr. Martin Luther King Jr. Expressway (also known as the Willowbrook Expressway). NY 440 is the southernmost state route in the state of New York.
Document 12: Bayonne Bridge: The Bayonne Bridge is an arch bridge spanning the Kill Van Kull connecting Bayonne, New Jersey with Staten Island, New York City. It carries NY 440 and NJ 440. The Bayonne Bridge is the fifth-longest steel arch bridge in the world, and was the longest in the world at the time of its completion. The bridge is also one of four connecting New Jersey with Staten Island; the other two roadway bridges are the Goethals Bridge in Elizabeth and Outerbridge Crossing in Perth Amboy, and the rail-only Arthur Kill Vertical Lift Bridge, all of which traverse the Arthur Kill.
Document 13: World Trade Center site: The World Trade Center site, formerly known as "Ground Zero" after the September 11 attacks, is a 14.6-acre (5.9 ha) area in Lower Manhattan in New York City. The previous World Trade Center complex stood on the site until it was destroyed in the September 11 attacks. The Port Authority of New York and New Jersey (PANYNJ), Silverstein Properties, and the Lower Manhattan Development Corporation (LMDC) oversee the reconstruction of the site according to a master plan by Studio Daniel Libeskind. The site is bounded by Vesey Street to the north, the West Side Highway to the west, Liberty Street to the south, and Church Street to the east. The Port Authority owns the site's land (except for 7 World Trade Center). Developer Larry Silverstein holds the lease to retail and office space in four of the site's buildings.
Document 14: Port Authority of New York and New Jersey: The Port Authority of New York and New Jersey (PANYNJ) is a joint venture between the U.S. states of New York and New Jersey, established in 1921 through an interstate compact authorized by the United States Congress. The Port Authority oversees much of the regional transportation infrastructure, including bridges, tunnels, airports, and seaports, within the geographical jurisdiction of the Port of New York and New Jersey. This 1,500 mi2 port district is generally encompassed within a 25 mi radius of the Statue of Liberty National Monument. The Port Authority is headquartered at 4 World Trade Center and is a member of the Real Estate Board of New York.
Document 15: Federal Reserve Bank of New York: The Federal Reserve Bank of New York is one of the 12 Federal Reserve Banks of the United States. It is located at 33 Liberty Street, New York, NY. It is responsible for the Second District of the Federal Reserve System, which encompasses New York State, the 12 northern counties of New Jersey, Fairfield County in Connecticut, Puerto Rico, and the U.S. Virgin Islands. Working within the Federal Reserve System, the New York Federal Reserve Bank implements monetary policy, supervises and regulates financial institutions and helps maintain the nation's payment systems.
ground_truth: 1921