TRANSPORTATION / HIGHWAY TRAVEL

The Interstate Highways in Idaho are the segments of the Dwight D. Eisenhower National System of Interstate and Defense Highways owned and maintained by the Idaho Transportation Department (ITD) in the U.S. state of Idaho.  The following high-speed arteries facilitate traffic movement:

•Interstate 15 (north/south)
•Interstate 84, 86 and 90 (east/west)
•State Routes 12, 20, 26, 30, 75, 89, 91, 93 and 95

Statewide Travel

Idaho Transportation Department
General Inquiries
208-334-8000
https://itd.idaho.gov/travel/

Idaho Roadway Conditions
Dial 511
https://511.idaho.gov/