List of Interstate Highways in Wyoming
.svg) .svg)  Signage for Interstate 25, Interstate 180, and Interstate 80 Business | |
| Highway names | |
|---|---|
| Interstates | Interstate X (I-X) |
| Business routes: | Interstate X Business (I-X Bus.) |
| System links | |
| |
The 'Interstate Highways in Wyoming are the segments of the Dwight D. Eisenhower National System of Interstate and Defense Highways owed and maintained by the Wyoming Department of Transportation.
Mainline highways
| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
|---|---|---|---|---|---|---|---|---|
 I-25
|
300.53 | 483.66 | I-25 / US 87 at the Colorado state line towards Denver | I-90 / US 87 at Buffalo, Wyoming with passageways to Billings, Montana and Rapid City, South Dakota | 1956 | current | ||
 I-80
|
402.78 | 648.21 | I-80 / US 189 at the Utah state line towards Salt Lake City | I-80 at the Nebraska state line towards Ogallala | 1956 | current | Lincoln Highway | |
 I-90
|
208.80 | 336.03 | I-90 / US 87 at the Montana state line towards Billings | I-90 / US 14 at the South Dakota state line towards Rapid City | 1956 | current | ||
 I-180
|
1.09 | 1.75 | I-80 in Cheyenne | I-80 Bus. / US 30 in Cheyenne | 1984 | current | Not funded to Interstate highway standards | |
Business routes
| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
|---|---|---|---|---|---|---|---|---|
 I-25 BL
|
— | — | — | — | — | — | Serves Cheyenne | |
| I-25 BL
|
— | — | — | — | — | — | Serves Chugwater | |
| I-25 BL
|
— | — | — | — | — | — | Serves Douglas | |
| I-25 BL
|
— | — | — | — | — | — | Serves Glenrock | |
| I-25 BL
|
— | — | — | — | — | — | Serves Casper | |
| I-25 BL
|
— | — | — | — | — | — | Serves Buffalo | |
 I-80 BL
|
— | — | — | — | — | — | Serves Evanston | |
| I-80 BL
|
— | — | — | — | — | — | Serves Fort Bridger and Lyman | |
| I-80 BL
|
— | — | — | — | — | — | Serves Rock Springs | |
| I-80 BL
|
— | — | — | — | — | — | Serves Rawlins | |
| I-80 BL
|
— | — | — | — | — | — | Serves Laramie | |
| I-80 BL
|
— | — | — | — | — | — | Serves Cheyenne | |
 I-90 BL
|
— | — | — | — | — | — | Serves Sheridan | |
| I-90 BL
|
— | — | — | — | — | — | Serves Buffalo | |
| I-90 BL
|
— | — | — | — | — | — | Serves Gillette | |
| I-90 BL
|
— | — | — | — | — | — | Serves Moorcroft | |
| I-90 BL
|
— | — | — | — | — | — | Serves Sundance | |
See also
References
External links
Media related to Interstate Highways in Wyoming at Wikimedia Commons
