| Interstate Highways of the Idaho State Highway System | |||||||||||||||||||
| Shields: |
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| Caption: | Typical Interstate highway markers | ||||||||||||||||||
| Maint: | ITD | ||||||||||||||||||
| Length Ref: | [1] | ||||||||||||||||||
| Formed: | 1956 | ||||||||||||||||||
| Interstate: | Interstate n (I-n) | ||||||||||||||||||
| Us: | U.S. Highway n (US-n) | ||||||||||||||||||
| Statehwy: | Idaho State Highway n (SH-n) | ||||||||||||||||||
| Links: | ID | ||||||||||||||||||
| Map Custom: | yes | ||||||||||||||||||
| Map Notes: | Interstate Highways highlighted in red | ||||||||||||||||||
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 state has five Interstate Highways that total approximately 611miles in length.[1]
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