| Country: | IRN |
| Type: | road |
| Route: | 78 |
| Terminus A: | Yasuj, Kohgiluyeh and Boyer-Ahmad Road 55 |
| Terminus B: | Ravar, Kerman Road 91 |
| Length Km: | 647 |
| Provinces: | Kohgiluyeh and Boyer-Ahmad, Fars, Yazd, Kerman |
| Cities: | Eqlid, Fars Abarkuh, Yazd Yazd, Yazd |
| Junction: | Road 65 Road 71 |
| Map Custom: | yes |
Road 78 is a second class road in Iran connecting Yasuj to Yazd via Road 65 southern Abadeh.[1]