In the U.S. state of Idaho, Interstate 90 has a small routing in the panhandle, just under 74 miles. Traveling east from Spokane, Washington, I-90 passes through Post Falls and Coeur d'Alene, over Fourth of July Summit, and through the Silver Valley before entering Montana at Lookout Pass.
I-90 is a major east-west route and the only freeway in northern Idaho. At 73.9 miles, I-90 has the third longest stretch of Interstate highway in Idaho. Interstate 84 and Interstate 15 are longer. Interstate 86 and Interstate 184 are shorter. I-90 is the only coast-to-coast Interstate in Idaho.
Wikipedia[ - ]
In the U.S. state of Idaho, Interstate 90 has a small routing in the panhandle, just under 74...
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In the U.S. state of Idaho, Interstate 90 has a small routing in the panhandle, just under 74 miles. Traveling east from Spokane, Washington, I-90 passes through Post Falls and Coeur d'Alene, over Fourth of July Summit, and through the Silver Valley before entering Montana at Lookout Pass.
I-90 is a major east-west route and the only freeway in northern Idaho. At 73.9 miles, I-90 has the third longest stretch of Interstate highway in Idaho. Interstate 84 and Interstate 15 are longer. Interstate 86 and Interstate 184 are shorter. I-90 is the only coast-to-coast Interstate in Idaho.
Wikipedia