From Colorado to Hawai’I, some American roads climb up well above the clouds. The higher you go, the colder it gets, and at the end of the road, you barely have any horsepower left. Welcome to the highest roads in the United States.
| Mountain pass | Elevation | State | Surface |
| White Mountain Peak | 4.347m (14,261ft) | California | Gravel |
| Mount Evans Byway | 4.310m (14,130ft) | Colorado | Asphalt |
| Pikes Peak Highway | 4.302m (14,115ft) | Colorado | Asphalt |
| Mount Lincoln | 4.297m (14,097ft) | Colorado | Gravel |
| Mauna Kea | 4.207m (13,803ft) | Hawai’i | Asphalt/Gravel |
| Mount Antero | 4.189m (13,743ft) | Colorado | Gravel |
| Kuss Peak | 4.136m (13,569ft) | Colorado | Gravel |
| Mosquito Peak | 4.127m (13,540ft) | Colorado | Gravel |
| Peak 10 | 4.085m (13,402ft) | Colorado | Gravel |
| Mount Bross | 4.071m (13,356ft) | Colorado | Gravel |
