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What is the biggest highway in America?

US Route 20—the longest highway in the land. Route 20 covers 3,237 miles and stretches from Boston to Newport, Oregon.



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While the route retained the U.S. 395 designation between Bishop and Brown, the former segment of U.S. 6 beyond Brown became State Route 14. After the 1963 change in California, U.S. 6 became the second longest highway in the country (3,227 miles). The longest was and remains U.S. 20 (3,345 miles).

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Route 66 became a popular route because of the active promotion of the U.S 66 Highway Association, which advertised it as “the shortest, best and most scenic route from Chicago through St. Louis to Los Angeles.”

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In July 1986, Life magazine published an article that gave US 50 in Nevada the name The Loneliest Road in America. The article portrayed the highway, and rural Nevada, as a place devoid of civilization.

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King's Highway was built from 1650 to 1735 decades before the United States became a country, making it the oldest road in America. The Texas Department of Transportation notes Kings Highway as the oldest highway in the United States.

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The A1 also known as the Great North Road is the longest numbered road in the United Kingdom, at 410 miles (660 km). It connects London, the capital of England, with Edinburgh, the capital of Scotland.

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The highest posted speed limit in the country is 85 mph (137 km/h) and can be found only on Texas State Highway 130, a toll road that bypasses the Austin metropolitan area for long-distance traffic.

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The A1 also known as the Great North Road is the longest numbered road in the United Kingdom, at 410 miles (660 km). It connects London, the capital of England, with Edinburgh, the capital of Scotland.

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The title of the busiest highway in the world is often attributed to Highway 401 in Ontario, Canada. Also known as the Macdonald-Cartier Freeway, this highway stretches across the southern part of Ontario and connects the Windsor-Detroit border with the Quebec-Ontario border.

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