Louisiana Highway 9 is a state highway

State highway

State highway, state road or state route can refer to one of three related concepts, two of them related to a state or provincial government in a country that is divided into states or provinces :#A...

 that serves Natchitoches Parish, Bienville Parish, and Claiborne Parish in north Louisiana

Louisiana

Louisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state in the U.S. with political subdivisions termed parishes, which are local governments equivalent to counties...

. It spans 100.42 miles (161.6 km), running a north–south route.

Route description

LA 9 begins at a junction with U.S. Route 71

U.S. Route 71

U.S. Route 71 is a north–south United States highway. This original 1926 route has remained largely unchanged by encroaching Interstate highways. Currently, the highway's northern terminus is in International Falls, Minnesota at the Canadian border, at the southern end of the Fort...

/U.S. Route 84

U.S. Route 84

U.S. Route 84 is an east–west United States highway. It started as a short Georgia-Alabama route in the original 1926 scheme, but now extends all the way to Colorado. The highway's eastern terminus is a short distance east of Midway, Georgia, at an intersection with I-95. The road continues...

 in Campti as a two lane, undivided road heading northeast. LA 9 continues through Black Lake

Black Lake (Louisiana)

Black Lake is a reservoir located between Creston and Campti in northern Louisiana. Water feeds into Black Lake from Black Lake Bayou, a watershed that extends from north of Gibsland in Bienville Parish and south to Clarence in Natchitoches Parish. through the parishes of Claiborne, Webster,...

, the Creston community, and Readhimer

Readhimer, Louisiana

Readhimer is an unincorporated community in Natchitoches Parish, Louisiana, United States. It is located along Louisiana Highway 9 in far northeastern Natchitoches Parish to the northeast of the parish seat of Natchitoches....

 before it merges with Louisiana Highway 155 in Saline but splits when LA 155 turns westward, and LA 9 continues northward. LA 9 also intersects Louisiana Highway 4

Louisiana Highway 4

Louisiana Highway 4 is a state highway in Louisiana, USA. It spans , mostly as a two lane, undivided road.-Route description:From the west, LA 4 begins at an intersection with U.S. Highway 71 in northern Red River Parish and runs eastward along the Red River Parish line. It then turns to the...

 in Lucky and Louisiana Highway 507 in Bienville. While in Bienville Parish, LA 9 runs through Bryceland and Arcadia. In Arcadia, LA 9 intersects Interstate 20

Interstate 20

Interstate 20 is a major east–west Interstate Highway in the Southern United States. I‑20 runs 1,535 miles from near Kent, Texas, at Interstate 10 to Florence, South Carolina, at Interstate 95...

 before entering Claiborne Parish. While in Claiborne Parish, LA 9 passes through Athens and Homer, where LA 9 intersects U.S. Route 79

U.S. Route 79

U.S. Route 79 is a north–south United States highway. The route is a northeast-southwest diagonal, with both east–west segments and north–south segments equally mixed. The highway's northern terminus is in Russellville, Kentucky, at an intersection with U.S. Highway 68 and KY 80...

 and Louisiana Highway 2

Louisiana Highway 2

Louisiana Highway 2 is a state highway in the U.S. state of Louisiana. It runs in a west to east direction, beginning at State Highway 49 and ending at an intersection with U.S. Highway 65 in East Carroll Parish...

. LA 9 continues northward, where it ends at a merging with U.S. Route 167

U.S. Route 167

U.S. Route 167 runs for 499 miles from Ash Flat, Arkansas at U.S. Route 62 to Abbeville, Louisiana at Louisiana Highway 14. It goes through the cities of Little Rock, Arkansas, Alexandria, Louisiana, and Lafayette, Louisiana....

 in Junction City.