Louisiana Highway 408 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...

 in 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...

 that serves East Baton Rouge Parish

East Baton Rouge Parish, Louisiana

East Baton Rouge Parish is a parish located in the U.S. state of Louisiana. The parish seat is Baton Rouge, Louisiana's state capital. As of the 2010 census, the population was 440,171. The parish has a total area of , of which is land and is water. It is the most populous parish in the state...

. It spans 13.04 miles (21 km) in a west to east direction. It is known locally as Harding Boulevard and Hooper Road.

Route description

From the west, LA 408 begins along Harding Boulevard one mile (1.6 km) west of US 61

U.S. Route 61

U.S. Route 61 is the official designation for a United States highway that runs from New Orleans, Louisiana, to the city of Wyoming, Minnesota. The highway generally follows the course of the Mississippi River, and is designated the Great River Road for much of its route. As of 2004, the highway's...

 (Scenic Highway) on the grounds of Southern University

Southern University

Southern University and A&M College is a historically black college located in Baton Rouge, Louisiana. The Baton Rouge campus is located on Scott’s Bluff overlooking the Mississippi River in the northern section...

 in Baton Rouge

Baton Rouge, Louisiana

Baton Rouge is the capital of the U.S. state of Louisiana. It is located in East Baton Rouge Parish and is the second-largest city in the state.Baton Rouge is a major industrial, petrochemical, medical, and research center of the American South...

. It crosses a railroad overpass and heads eastward toward US 61

U.S. Route 61

U.S. Route 61 is the official designation for a United States highway that runs from New Orleans, Louisiana, to the city of Wyoming, Minnesota. The highway generally follows the course of the Mississippi River, and is designated the Great River Road for much of its route. As of 2004, the highway's...

 (Scenic Highway) and I-110

Interstate 110 (Louisiana)

Interstate 110 is an spur route in Baton Rouge, running from Interstate 10 in the city's downtown area north to U.S. Highway 61 and the Baton Rouge Metropolitan Airport in the northern part of the city...

 (Exit 6), passing to the south of Baton Rouge Metropolitan Airport

Baton Rouge Metropolitan Airport

Baton Rouge Metropolitan Airport , also known as Ryan Field, is a public use airport located four nautical miles north of the central business district of Baton Rouge, a city in East Baton Rouge Parish, Louisiana, United States....

. LA 408 becomes Hooper Road east of a junction with LA 67 and then crosses the Comite River

Comite River

The Comite River is a right bank tributary of the Amite River, with a confluence near the city of Denham Springs, east of Baton Rouge, Louisiana. The river is long. Its drainage basin comprises approximately and includes portions of Wilkinson and Amite counties in Mississippi, and East Feliciana...

. It then crosses LA 410

Louisiana Highway 410

Louisiana Highway 410 is a state highway in Louisiana that serves East Baton Rouge Parish. It spans in a south to north direction. It is known locally as Blackwater Road.-Route description:...

 (Blackwater Road), LA 946

Louisiana Highway 946

Louisiana Highway 946 is a state highway in Louisiana that serves East Baton Rouge Parish. It spans in a south to north direction. It is known locally as Joor Road.-Route description:...

 (Joor Road), and LA 3034

Louisiana Highway 3034

Louisiana Highway 3034 is a state highway in Louisiana that serves East Baton Rouge Parish. It spans in a west to east direction. It is known locally as Sullivan Road, Wax Road, and Magnolia Bridge Road.-Route description:...

 (Sullivan Road). It comes to an end just west of the Amite River

Amite River

The Amite River is a tributary of Lake Maurepas in Mississippi and Louisiana in the United States. It is about long. It starts as two forks in southwestern Mississippi and flows south through Louisiana, passing Greater Baton Rouge, to Lake Maurepas. The lower of the river is navigable...

 at a junction with LA 37 and LA 64 (Greenwell Springs Road).

From its western terminus, LA 408 begins as an undivided, two lane highway before dividing and expanding to four lanes before a railroad overpass on the eastern edge of Southern University

Southern University

Southern University and A&M College is a historically black college located in Baton Rouge, Louisiana. The Baton Rouge campus is located on Scott’s Bluff overlooking the Mississippi River in the northern section...

. It again becomes an undivided, two lane highway about a half mile past LA 410

Louisiana Highway 410

Louisiana Highway 410 is a state highway in Louisiana that serves East Baton Rouge Parish. It spans in a south to north direction. It is known locally as Blackwater Road.-Route description:...

 (Blackwater Road). It stays that way for the remainder of the route with the exceptions of brief changes near LA 946

Louisiana Highway 946

Louisiana Highway 946 is a state highway in Louisiana that serves East Baton Rouge Parish. It spans in a south to north direction. It is known locally as Joor Road.-Route description:...

 (Joor Road) (undivided, five lane highway (with a middle turning lane) and LA 3034

Louisiana Highway 3034

Louisiana Highway 3034 is a state highway in Louisiana that serves East Baton Rouge Parish. It spans in a west to east direction. It is known locally as Sullivan Road, Wax Road, and Magnolia Bridge Road.-Route description:...

 (Sullivan Road) (undivided, three lane highway (with a middle turning lane).

Junction list

Parish	Location	Mile	Junction	Notes
East Baton Rouge East Baton Rouge Parish, Louisiana East Baton Rouge Parish is a parish located in the U.S. state of Louisiana. The parish seat is Baton Rouge, Louisiana's state capital. As of the 2010 census, the population was 440,171. The parish has a total area of , of which is land and is water. It is the most populous parish in the state...	Baton Rouge Baton Rouge, Louisiana Baton Rouge is the capital of the U.S. state of Louisiana. It is located in East Baton Rouge Parish and is the second-largest city in the state.Baton Rouge is a major industrial, petrochemical, medical, and research center of the American South...	Western terminus of LA 408
		0.00	Begin State Mainteance 1 miles (1.6 km) west of US 61 U.S. Route 61 U.S. Route 61 is the official designation for a United States highway that runs from New Orleans, Louisiana, to the city of Wyoming, Minnesota. The highway generally follows the course of the Mississippi River, and is designated the Great River Road for much of its route. As of 2004, the highway's...  (Scenic Highway) on the grounds of Southern University Southern University Southern University and A&M College is a historically black college located in Baton Rouge, Louisiana. The Baton Rouge campus is located on Scott’s Bluff overlooking the Mississippi River in the northern section...
		1.0	US 61 U.S. Route 61 U.S. Route 61 is the official designation for a United States highway that runs from New Orleans, Louisiana, to the city of Wyoming, Minnesota. The highway generally follows the course of the Mississippi River, and is designated the Great River Road for much of its route. As of 2004, the highway's...  (Scenic Highway)
		2.0	I-110 Interstate 110 (Louisiana) Interstate 110 is an spur route in Baton Rouge, running from Interstate 10 in the city's downtown area north to U.S. Highway 61 and the Baton Rouge Metropolitan Airport in the northern part of the city...	Exit 6/Partial cloverleaf-diamond interchange
		3.0	LA 67 (Plank Road)
		6.7	LA 410 Louisiana Highway 410 Louisiana Highway 410 is a state highway in Louisiana that serves East Baton Rouge Parish. It spans in a south to north direction. It is known locally as Blackwater Road.-Route description:...  (Blackwater Road)	Southern terminus of LA 410
		8.9	LA 946 Louisiana Highway 946 Louisiana Highway 946 is a state highway in Louisiana that serves East Baton Rouge Parish. It spans in a south to north direction. It is known locally as Joor Road.-Route description:...  (Joor Road)	Northern terminus of LA 946
	Greenwell Springs	10.0	LA 3034 Louisiana Highway 3034 Louisiana Highway 3034 is a state highway in Louisiana that serves East Baton Rouge Parish. It spans in a west to east direction. It is known locally as Sullivan Road, Wax Road, and Magnolia Bridge Road.-Route description:...  (Sullivan Road)	Western terminus of LA 3034
		13.04	LA 37/LA 64 (Greenwell Springs Road).
		Eastern terminus of LA 408