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Louisiana Highway 37
Route information
Maintained by Louisiana DOTD
Length	42.7 mi (68.7 km)
Existed	1955 renumbering–present
Major junctions
South end	Wooddale Boulevard in Baton Rouge
Major intersections	US 61 / US 190 in Baton Rouge LA 64 in Central LA 63 in Grangeville
North end	LA 10 in Greensburg
Location
Country	United States
State	Louisiana
Parishes	East Baton Rouge, East Feliciana, St. Helena
Highway system
Louisiana State Highway System Interstate US State Scenic
← LA 36 → LA 38

Louisiana Highway 37 (LA 37) is a 42.7-mile-long (68.7 km) north-south state highway in Louisiana, United States, extending from Wooddale Boulevard in Baton Rouge to Louisiana Highway 10 in Greensburg. In East Baton Rouge Parish, the highway is named Greenwell Springs Road.

Route description

From the southwest, LA 37 begins just west of a cloverleaf interchange with US 61/US 190 in the city of Baton Rouge. The highway heads northeast along Greenwell Springs Road and, about a mile after exiting the city limits, curves northward. Now running parallel with the Amite River, LA 37 begins a concurrency with LA 64 that lasts through much of Central, a newer city that encompasses smaller communities such as Greenwell Springs. North of Central, LA 37 follows the west bank of the Amite River until sharing a bridge across the river with LA 63. After a short distance, LA 37 leaves the river's path and heads northeast through rural St. Helena Parish to its terminus at LA 10 in Greensburg.

Major junctions

Parish	Location	mi	km	Destinations	Notes
East Baton Rouge	Baton Rouge	0.0	0.0	Greenwell Springs Road / Wooddale Boulevard
		0.1– 0.4	0.16– 0.64	US 61 / US 190 (Airline Highway) – Natchez, MS, Opelousas	Interchange
		1.7	2.7	LA 946 north (Joor Road) / Oak Villa Boulevard	Southern terminus of LA 946
	Central	9.2	14.8	LA 64 east (Magnolia Bridge Road) / LA 3034 west	Southern end of LA 64 concurrency; eastern terminus of LA 3034
		12.1	19.5	LA 408 west (Hooper Road)	Eastern terminus of LA 408
		14.2	22.9	LA 64 west – Pride	Northern end of LA 64 concurrency
East Feliciana	​	27.4	44.1	LA 63 north – Clinton	Southern end of LA 63 concurrency
St. Helena	Grangeville	28.8	46.3	LA 63 south – Pine Grove, Denham Springs	Northern end of LA 63 concurrency
	​	31.5	50.7	LA 448 north	Southern terminus of LA 448
	​	38.9	62.6	LA 449 south – Pine Grove, Denham Springs	Northern terminus of LA 449
	Greensburg	42.6	68.6	LA 1042 (South Main Street)
		42.7	68.7	LA 10
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus

References

1. ^ "Overview Map of LA 37" (Map). Google Maps. Retrieved April 14, 2016.

• State highways in Louisiana
• Transportation in East Baton Rouge Parish, Louisiana
• Transportation in East Feliciana Parish, Louisiana
• Transportation in St. Helena Parish, Louisiana