Louisiana Highway 3127
| Route information | ||||
|---|---|---|---|---|
| Maintained by Louisiana DOTD | ||||
| Length | 42.1 mi (67.8 km) | |||
| Existed | c. 1975–present | |||
| Major junctions | ||||
| West end | LA 70 east of Donaldsonville | |||
| LA 20 in North Vacherie LA 3213 in North Vacherie | ||||
| East end | I-310 / Future I-49 / US 90 in Boutte | |||
| Location | ||||
| Country | United States | |||
| State | Louisiana | |||
| Parishes | Ascension, St. James, St. John the Baptist, St. Charles | |||
| Highway system | ||||
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Louisiana Highway 3127 (LA 3127) is a state highway in Louisiana that serves Ascension, St. James, St. John the Baptist, and St. Charles Parishes. It spans 42.1 miles (67.8 km) in a northwest to southeast direction. It parallels LA 18 along the west bank of the Mississippi River, providing a much shorter inland bypass of the River Road. It is bannered in all four cardinal directions depending upon the part of the route.