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There are 70 primary Interstate Highways in the Interstate Highway System, a network of freeways in the United States. These primary highways are assigned one- or two-digit route numbers, whereas their associated auxiliary Interstate Highways receive three-digit route numbers.
19 Ιουλ 2022 · The longest interstates cover a variety of our nation's landscape, some deluged by major metropolis traffic, others linking oceans to the heartland. But the plan started by President Dwight...
Interstate 90 (I-90) is an east–west transcontinental freeway and the longest Interstate Highway in the United States at 3,021 miles (4,862 km). It begins in Seattle, Washington, and travels through the Pacific Northwest, Mountain West, Great Plains, Midwest, and the Northeast, ending in Boston, Massachusetts.
This article lists the world's longest road routes that are either officially numbered or otherwise known under a single name. Some of the roads may still be partially planned or under construction.
14 Μαΐ 2019 · Generally, highways with odd numbers go from south to north while those with even numbers run in a west to east direction. In the case of the auxiliary system, each highway has a special number that indicates its parent highway. The longest Interstate Highway in the US is the I-90.
14 Αυγ 2024 · I-90 is the longest interstate highway, running more than 3,000 miles (4,800 km) from Seattle to Boston. By the 1990s, all 50 states had federal interstates, accounting for more than 500 million miles (805 million km) of vehicle traffic per year.
18 Ιουλ 2018 · Interstate 90, America's longest Interstate Highway, spans from Boston, Massachusetts, to Seattle, Washington.