[3] Louisiana Highway 352 (LA 352) runs 25.79 miles (41.50 km) from Lake Fausse Pointe State Park to Henderson.

Louisiana Highway 359 (LA 359) runs 8.81 miles (14.18 km) from Port Barre to Lebeau.

Louisiana Highway 363 (LA 363) runs 9.29 miles (14.95 km) from Ville Platte to Grand Prairie.

Louisiana Highway 370 (LA 370) runs 23.45 miles (37.74 km) from Iota to Church Point.

[26] The route was renumbered in 1994 from its original designation to LA 3277 to prevent a numerical duplication with the newly commissioned US 371.

Louisiana Highway 378 (LA 378) runs 7.96 miles (12.81 km) in a southwest to northeast direction from I-10 in Westlake to US 171 in Moss Bluff, Calcasieu Parish.

[33] The route heads north from exit 27 on I-10 and travels along Sampson Street, an undivided four-lane highway with a center turning lane, through the city of Westlake.

Curving due east onto Sam Houston Jones Parkway, the route again widens to four lanes with a center lane and intersects LA 378 Spur, which provides access to Sam Houston Jones State Park.

Louisiana Highway 384 (LA 384) runs 34.33 miles (55.25 km) from Cameron Prairie NWR to Lake Charles.

Louisiana Highway 385 (LA 385) runs 14.91 miles (24.00 km) from Cameron Parish to Lake Charles.

It spanned 2.5 miles (4.0 km) in a south to north direction along the west bank of the Mississippi River in Belle Chasse.

[43] Louisiana Highway 392 (LA 392) runs 21.73 miles (34.97 km) from South Toledo Bend State Park to Hornbeck.

The northernmost section of the route is located within the Vernon Unit of the Kisatchie National Forest.