Road 78 is a second class road in Iran connecting Yasuj to Yazd via Road 65 southern Abadeh.[1]
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| جاده 78 | |
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| Route information | |
| Length | 647 km (402 mi) |
| Major junctions | |
| From | Yasuj, Kohgiluyeh and Boyer-Ahmad  Road 55 |
 Road 65 Road 71 | |
| To | Ravar, Kerman  Road 91 |
| Location | |
| Country | Iran |
| Provinces | Kohgiluyeh and Boyer-Ahmad, Fars, Yazd, Kerman |
| Major cities | Eqlid, Fars Abarkuh, Yazd Yazd, Yazd |
| Highway system | |