three-digit Interstate Highway
C529
concept
A three-digit Interstate Highway is an auxiliary route connected to a primary one- or two-digit Interstate, typically serving as a loop, spur, or bypass around or into urban areas.
All labels observed (4)
| Label | Occurrences |
|---|---|
| auxiliary Interstate Highway designation | 2 |
| three-digit Interstate Highway canonical | 2 |
| unused Interstate Highway designation | 2 |
| interstate highway in the United States | 1 |
Instances (7)
| Instance | Via concept surface |
|---|---|
| Interstate 214 (unused number) | unused Interstate Highway designation |
| Interstate 216 (unused number) | unused Interstate Highway designation |
|
Interstate 291
surface form:
Interstate 291 (Massachusetts)
|
— |
| I-140 | auxiliary Interstate Highway designation |
| I-210 | auxiliary Interstate Highway designation |
| Interstate 395 | — |
| Interstate 480 | interstate highway in the United States |