Interstate Highways in Idaho
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The shields for Idaho's primary Interstate highways and sole auxiliary Interstate highway. |
There are four primary Interstate highways and one auxiliary Interstate highway in Idaho.
Interstate 15 (I-15) - Runs from the Utah state line near Woodruff, ID to the Montana state line at Monida Pass.
Interstate 84 (I-84) - Runs from the Oregon state line near Fruitland, ID to the Utah state line near the extinct town of Black Pine, ID.
Interstate 86 (I-86) - Runs from I-84 and US 30 near Declo to the Wyoming state line near Thayne, WY.
Interstate 90 (I-90) - Runs from the Washington state line in State Line, ID to the Montana state line at Lookout Pass.
Interstate 184 (I-184) - Runs from I-84 and US 30 in Boise to US 20/26 in Boise.
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