Utah has 978 miles of Interstate Highway. 90% of Utah Highways are rated good compared to 78% for the rest of the country. 44% of Utah Highways are considered congested while the rest of the country is at 55% nationwide and California is the most congested at 85%. None of Utah’s Interstate Highways are rated in poor condition.

The longest Interstate Highway is I-90 which goes from Seattle to Boston and is 3,085 miles long. This Highway misses going through Utah. The second longest Highway is I-80 going from San Francisco to Teaneck, NJ which is 2,907 miles and goes through Utah. In fact, I-80 is only 6 miles from the home office of Rowser Construction!

The costliest Interstate to build was I-95 which reaches from Miami to Maine and is 1,893 miles but cost $8 Billion to build. I-90 was the second most expensive costing $7.5 Billion to build.

States that have the most Interstate miles include:

Texas 17 routes 3,232 miles
California 25 routes 2,453 miles
Illinois 23 routes 2,160 miles
Pennsylvania 21 routes 1,755 miles
Ohio 21 routes 1,565 miles

Americans travel over 600 million miles on our Interstate Highways each year. Our Highways have 1,214 rest areas.