.svg) Interstate 40 | ||||
|---|---|---|---|---|
 I-40 highlighted in red | ||||
| Route information | ||||
| Maintained by TxDOT | ||||
| Length | 177.139 mi[1] (285.078 km) | |||
| Existed | 1959–present | |||
| NHS | Entire route | |||
| Major junctions | ||||
| West end |  I-40 at New Mexico state line | |||
| East end | I-40 at Oklahoma state line | |||
| Location | ||||
| Country | United States | |||
| State | Texas | |||
| Counties | Deaf Smith, Oldham, Potter, Carson, Gray, Donley, Wheeler | |||
| Highway system | ||||
| ||||
| ||||
In the US state of Texas, Interstate 40 (I-40[a]) runs west–east through the panhandle in the northwest part of the state. The only large city it passes through is Amarillo, where it meets the north end of I-27. The entire section of I-40 in Texas is designated as a Purple Heart Trail route.[3]
- ^ Transportation Planning and Programming Division (n.d.). "Interstate Highway No. 40". Highway Designation Files. Texas Department of Transportation. Retrieved December 25, 2022.
- ^ Transportation Planning and Programming Division (n.d.). "Highway Designations Glossary". Texas Department of Transportation. Retrieved May 20, 2020.
- ^ "Texas Purple Heart Entities". Military Order of the Purple Heart. Retrieved October 5, 2023.
Cite error: There are <ref group=lower-alpha> tags or {{efn}} templates on this page, but the references will not show without a {{reflist|group=lower-alpha}} template or {{notelist}} template (see the help page).