.svg) Louisiana Highway 78 | ||||
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| Route information | ||||
| Maintained by Louisiana DOTD | ||||
| Length | 7.55 mi[1] (12.15 km) | |||
| Existed | 1955 renumbering–present | |||
| Major junctions | ||||
| South end |   US 190 / LA 411 in Livonia | |||
| North end |  LA 1 in Parlange | |||
| Location | ||||
| Country | United States | |||
| State | Louisiana | |||
| Parishes | Pointe Coupee | |||
| Highway system | ||||
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Louisiana Highway 78 (LA 78) is a state highway located in Pointe Coupee Parish, Louisiana. It runs 7.55 miles (12.15 km) in a north–south direction from a junction with U.S. Highway 190 (US 190) and LA 411 in Livonia to LA 1 in Parlange.
The route connects the town of Livonia with New Roads, the parish seat, and other points along the False River via LA 1. Though it largely serves a north–south function, the signage for LA 78 does not carry directional banners.