| Cities | Interstate Highway |
| Denver, Kansas City, Indianapolis | |
| Jacksonville, Richmond, Boston | |
| San Diego, Salt Lake City, Butte | |
| Tucson, San Antonio, Jacksonville | |
| Sacramento, Cheyenne, Lincoln | |
| Atlanta, Dayton, Flint | |
| Albuquerque, Amarillo, Memphis | |
| Austin, Wichita, Des Moines | |
| Memphis, St. Louis, Chicago | |
| Seattle, Billings, Buffalo | |
|