List of state highways in Louisiana (450–499)
Wikimedia list article

The following is a list of state highways in the U.S. state of Louisiana designated in the 450-499 range.
Louisiana Highway 450
Louisiana Highway 450 (LA 450) runs 27.69 miles (44.56 km) from Folsom to Mt. Hermon.
Louisiana Highway 451
Louisiana Highway 451 (LA 451) runs 30.07 miles (48.39 km) from Moreauville to Hamburg.
Louisiana Highway 452
Louisiana Highway 452 (LA 452) runs 13.70 miles (22.05 km) from Marksville to Brouillette.
Louisiana Highway 453
Louisiana Highway 453 (LA 453) runs 3.12 miles (5.02 km) in Moncla.
Louisiana Highway 454
Louisiana Highway 454 (LA 454) runs 13.75 miles (22.13 km) in a general east–west direction from LA 107 at Cedar Grove, Rapides Parish to LA 107 and LA 115 in Effie, Avoyelles Parish.
LA 454 initially heads southeast from LA 107 (Old Marksville Highway) in Cedar Grove toward the Red River. After passing through an area known as Ruby, the route curves to the east and crosses from Rapides Parish into Avoyelles Parish. LA 454 then loops back to the northeast to a terminus at the concurrent LA 107 and LA 115 in Effie.
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