I-90 is the longest Interstate Highway in the United States, spanning 3,021 miles (4,862 km) across the northern portion of the coterminous part of the country. The transcontinental freeway passes through 13 states in the … 展开

An east–west controlled access highway to serve the Northern United States was proposed in the early 20th century in several federal government documents, including reports from the Bureau of Public Roads in … 展开

I-90 carries several commemorative names designated by state governments, some of which are shared between multiple states. Washington and Minnesota designated their sections as the "American Veterans Memorial Highw… 展开

Washington SR 519 in downtown Seattle I-5 in downtown Seattle I-405 in Bellevue near Seattle I-82 / US 97 in Ellensburg US 395 in Ritzville; joined for 61 miles (98 km) until Spokane US 2 / US 395 in Spokane; joined for 4 mile… 展开

Source: FHWA
• Rapid City, South Dakota: I-190
• Chicago, Illinois: I-190, I-290
• Cleveland, Ohio: I-490
• Buffalo, New York: I-190, I-290, I-990 (not directly connected)… 展开