The Thousand Islands constitute a North American archipelago of 1,864 islands that straddles the Canada–US border in the Saint Lawrence River as it emerges from the northeast corner of Lake Ontario. They stretch for about 50 miles (80 km) downstream from Kingston, Ontario. The Canadian islands are in the province of Ontario and the U.S. islands in the state of New York.
Gananoque is a town in the Leeds and Grenville area of Ontario, Canada. The town had a population of 5,383 year-round residents in the 2021 Canadian Census, as well as summer residents sometimes referred to as "Islanders" because of the Thousand Islands in the Saint Lawrence River, Gananoque's most important tourist attraction. The Gananoque River flows through the town and the St. Lawrence River serves as the southern boundary of the town.
E-ZPass is an electronic toll collection system used on toll roads, toll bridges, and toll tunnels in the Eastern United States, Midwestern United States, and Southern United States. The E-ZPass Interagency Group (IAG) consists of member agencies in several states, which use the same technology and allow travelers to use the same transponder on toll roads throughout the network.
The Outerbridge Crossing, also known as the Outerbridge, is a cantilever bridge that spans the Arthur Kill between Perth Amboy, New Jersey, and Staten Island, New York. It carries New York State Route 440 and New Jersey Route 440, with the two roads connecting at the state border at the river’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 connects Staten Island with Bayonne, and the Goethals Bridge.
The Henry Hudson Bridge is a double-deck steel arch toll bridge in New York City across the Spuyten Duyvil Creek. It connects Spuyten Duyvil in the Bronx with Inwood in Manhattan to the south, via the Henry Hudson Parkway. On the Manhattan side, the parkway goes into Inwood Hill Park. Commercial vehicles are not permitted on this bridge or on the parkway in general.
The Blue Water Bridge is a twin-span international bridge across the St. Clair River that links Port Huron, Michigan, United States, and Point Edward, Ontario, Canada. The Blue Water Bridge connects Highway 402 in Ontario with both Interstate 69 (I-69) and Interstate 94 (I-94) in Michigan.
The Sault Ste. Marie International Bridge spans the St. Marys River between the United States and Canada connecting the twin cities of Sault Ste. Marie, Michigan and Sault Ste. Marie, Ontario. The bridge is operated by the International Bridge Administration under the direction of the Sault Ste. Marie Bridge Authority, a bi-national governing body consisting of four directors appointed by the Governor of Michigan and four appointed by the Canadian government-owned Federal Bridge Corporation.
The Lewiston–Queenston Bridge, also known as the Queenston–Lewiston Bridge, is an arch bridge that crosses the Niagara River gorge just south of the Niagara Escarpment. The bridge was officially opened on November 1, 1962. It is an international bridge between the United States and Canada. It connects Interstate 190 in the town of Lewiston, New York to Highway 405 in the community of Queenston, Ontario. The Lewiston–Queenston Bridge is architecturally similar to the Rainbow Bridge at nearby Niagara Falls.
The Peace Bridge is an international bridge over the Niagara River between Canada and the United States, located just north of the river's source at the east end of Lake Erie about 20 kilometres (12.4 mi) upriver of Niagara Falls. It connects Buffalo, New York, in the United States to Fort Erie, Ontario, in Canada. It is operated and maintained by the bi-national Buffalo and Fort Erie Public Bridge Authority.
Boldt Castle is a major landmark and tourist attraction in the Thousand Islands region of the U.S. state of New York. Open to guests seasonally between mid-May and mid-October, it is located on Heart Island in the Saint Lawrence River. Heart Island is part of the Town of Alexandria, in Jefferson County. Originally a private mansion built for American millionaire George Boldt, it is now maintained by the Thousand Islands Bridge Authority as a tourist attraction.
Wellesley Island is an island in Jefferson County, New York, the island is partially in the Town of Orleans and partially in the Town of Alexandria.
Smart Tag is the former name of a transponder-based electronic toll collection system implemented by the Virginia Department of Transportation (VDOT). It was launched as Fastoll on April 15, 1996. Fastoll was rebranded as Smart Tag in 1998, and was placed under the umbrella of Smart Travel. In November 2007, the Smart Tag brand name was retired in favor of E-ZPass Virginia, several years after the Smart Tag system became a part of the E-ZPass network.
The Newburgh–Beacon Bridge is a continuous truss toll bridge that spans the Hudson River in New York State. The bridge carries Interstate 84 (I-84) and New York State Route 52 (NY 52) between Newburgh and Beacon and consists of two separate spans. The original northern span, which now carries westbound traffic, was opened on November 2, 1963, as a two-lane bridge. A second span, completed in 1980, now carries all eastbound traffic. The span provides connections to the New York State Thruway (I-87) and U.S. Route 9W (US 9W) in Newburgh and US 9 in Fishkill. The bridges includes a 2,204-foot-long (672 m) cantilever span, with a main span of 1,000 feet (300 m) and side spans of 602 feet (183 m). The total length of all spans and approaches is 7,855 feet (2,394 m) for the north span and 7,789 feet (2,374 m) for the south span. The bridges, owned by the New York State Bridge Authority, carry six lanes of traffic and approximately 65,000 vehicles per day. The bridge is officially known as the Hamilton Fish Newburgh–Beacon Bridge.
The Three Nations Crossing is a border crossing on the Canada–US border, connecting the city of Cornwall, Ontario in Canada to Massena, New York, in the United States. The crossing is associated with the Seaway International Bridge, which crosses the two channels on each side of Cornwall Island, which is located on the St. Lawrence River. The bridge is 4.7 km (2.9 mi) in length.
The Claiborne Pell Bridge, commonly known as the Newport Bridge, is a suspension bridge operated by the Rhode Island Turnpike and Bridge Authority that spans the East Passage of the Narragansett Bay in Rhode Island. The bridge, part of RI 138, connects the city of Newport on Aquidneck Island and the Town of Jamestown on Conanicut Island, and is named for longtime Rhode Island U.S. senator Claiborne Pell who lived in Newport. The Pell Bridge is in turn connected to the mainland by the Jamestown Verrazzano Bridge.
King's Highway 137, commonly referred to as Highway 137, is a provincially maintained highway in the Canadian province of Ontario that connects the northern end of Interstate 81 in the U.S. state of New York with Highway 401 via the Canadian span of the Thousand Islands Bridge. While this road connected to the international bridge when it opened in August 1938, it was not designated as a King's Highway until 1965. Highway 137 passes through a portion of the Canadian Shield, a geographic feature which aided construction of the three Canadian spans of the Thousand Islands Bridge. These bridges, all of different designs, travel 538 m (1,765 ft) across the Saint Lawrence River. Highway 137 is 4.3 km (2.7 mi) in length and is located entirely within the United Counties of Leeds and Grenville.
The Ogdensburg–Prescott International Bridge is a suspension bridge connecting Ogdensburg, New York in the United States to Johnstown, Ontario in Canada. Designed by Modjeski & Masters and completed in 1960, it has six spans and a main span of 350.75 metres (1,150.8 ft) totaling 2.4 kilometres (1.5 mi) across the Saint Lawrence River and Saint Lawrence Seaway. The bridge is owned and operated by the Ogdensburg Bridge and Port Authority, which also owns and operates Ogdensburg International Airport, the Port of Ogdensburg-Marine Terminal Facility, Commerce Park, the Port of Waddington, a medium-heavy industrial park and two short line railroads. The Ogdensburg Bridge and Port Authority is a New York State public-benefit corporation.
The Thousand Islands Parkway (often written as 1000 Islands Parkway) is a scenic parkway in the Canadian province of Ontario. It extends easterly from an interchange with Highway 401 in Gananoque for approximately 40 kilometres (25 mi) to rejoin Highway 401 near the community of Butternut Bay, west of Brockville. The parkway follows the north shore of the St. Lawrence River, and was formerly designated Highway 2S (S for Scenic) until 1970. It passes through the communities of Gray's Beach, Halsteads Bay, Ivy Lea, Darlingside, Rockport, Narrows, La Rue Mills and Mallorytown Landing, as well as providing access to the three inland properties of the Thousand Islands National Park. Highway 137, which meets the parkway near its midpoint, provides access to the Interstate 81 in New York via the Thousand Islands Bridge.
The Thousand Islands Border Crossing connects the towns of Alexandria Bay, New York, and Ivy Lea, Ontario, on the Canada–US border. The crossing is via the international span of the Thousand Islands Bridge. The Thousand Islands bridge, which was completed in 1938, is actually a system of five bridges and the island roadways connecting them. The international span, which crosses a small rift between Wellesley Island in the US and Hill Island in Canada, is only 90 feet (27 m) in length. A second, parallel span was built in 1959 to accommodate congestion at the ports of entry. The US and Canada border stations are located at the opposite ends of this span.
I-81 and 
Highway 137 
