Louisiana Highway 426 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 7.41 miles (11.9 km) in a west to east direction. It is known locally as Old Hammond Highway.

Route description

From the west, LA 426 begins at an intersection with LA 73

Louisiana Highway 73

Highway 73 is a highway stretching from Geismar, Louisiana, to Baton Rouge, Louisiana. Hwy. 73 was built as a bypass to the backbends of River Road. It was soon after bypassed itself in a more complete way with U.S...

 (Jefferson Highway) 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 heads east and intersects LA 1068

Louisiana Highway 1068

Louisiana Highway 1068 is a state highway in Louisiana that serves East Baton Rouge Parish. It spans in a south to north direction...

 (Drusilla Lane) before meeting 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...

 (Airline Highway

Airline Highway

Airline Highway is a divided highway in the U.S. state of Louisiana, built in the 1930s and 1940s to bypass the older Jefferson Highway. It carries U.S. Highway 61 from New Orleans northwest to Baton Rouge, and U.S. Highway 190 from Baton Rouge west over the Mississippi River on the Huey P. Long...

). LA 426 continues eastward and intersects LA 3245)

Louisiana Highway 3245

Louisiana Highway 3245 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 O'Neal Lane and O'Neal Lane Extension.-Route description:...

 (O'Neal Lane/O'Neal Lane Extension) before coming to an end at US 190

U.S. Route 190

U.S. Route 190, also known as the Ronald Reagan Memorial Highway, is an east–west United States highway in Louisiana and Texas. It evolved from the shortest of intrastate routes in 1926 to a length comparable to a main Interstate Highway route, leading from the swamps and pine forests of...

 (Florida Boulevard) 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...

.

LA 426 is an undivided, four lane highway from LA 73

Louisiana Highway 73

Highway 73 is a highway stretching from Geismar, Louisiana, to Baton Rouge, Louisiana. Hwy. 73 was built as a bypass to the backbends of River Road. It was soon after bypassed itself in a more complete way with U.S...

 (Jefferson Highway) to 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...

 (Airline Highway

Airline Highway

Airline Highway is a divided highway in the U.S. state of Louisiana, built in the 1930s and 1940s to bypass the older Jefferson Highway. It carries U.S. Highway 61 from New Orleans northwest to Baton Rouge, and U.S. Highway 190 from Baton Rouge west over the Mississippi River on the Huey P. Long...

). It then widens to an undivided, five lane highway stretching to Boulevard de Province, where it reverts back to the original two lane configuration. It maintains this {except for two brief portions near Millerville Rd. and LA 3245

Louisiana Highway 3245

Louisiana Highway 3245 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 O'Neal Lane and O'Neal Lane Extension.-Route description:...

 (O'Neal Lane/O'Neal Lane Extension)} until its terminus at US 190

U.S. Route 190

U.S. Route 190, also known as the Ronald Reagan Memorial Highway, is an east–west United States highway in Louisiana and Texas. It evolved from the shortest of intrastate routes in 1926 to a length comparable to a main Interstate Highway route, leading from the swamps and pine forests of...

 (Florida Boulevard).

LA 426 served as the original route for US 190 until the extension of Florida Blvd. to 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...

.

Major junctions