Interstate 90

Interstate 90 — the longest route in the Interstate Highway System — stretches from Boston to Seattle, covering a distance of 3,021 miles.

Driving the entire length of I-90 would take you approximately 50 hours, and you’d travel through 13 states, including New York, Pennsylvania, and Idaho. However, you should be prepared for possible delays as you drive through Chicago. An estimated 321,700 vehicles use the Windy City’s segment of I-90 each day, making it the 10th-busiest highway in the nation.

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