# Louisiana Highway 415

Louisiana Highway 415 (LA 415) is a state highway in Louisiana. It spans north–south through West Baton Rouge Parish and Pointe Coupee Parish for 25.3 miles (40.7 km).

## Route description

LA 415 begins at Interstate 10's exit 151 in West Baton Rouge Parish, west of Port Allen. Just north of the interchange, LA 415 begins a concurrency with LA 76. The two routes travel north as a four-lane undivided highway with a center turn lane. After LA 76 exits the concurrency, LA 415 continues north and widens to a divided highway. In the unincorporated community of Lobdell, LA 415 turns off the divided highway to continue north on a two-lane undivided road. The divided highway continues for about one-half mile (0.80 km) as LA 415 Spur and provides access to westbound U.S. Route 190 and northbound LA 1. LA 415 makes two sharp turns to pass under US 190 and LA 1 with access to eastbound US 190 and southbound LA 1 being provided via nearby roads. Just before a levee to the Mississippi River, the road comes to a T-intersection with LA 986 at its northern terminus. LA 415 makes a left onto the road paralleling the levee.
The road continues to parallel the levee through northern West Baton Rouge and eastern Pointe Coupee parishes passing multiple minor state highways along its route. Near its northernmost stretches, LA 415 travels on land that was once the channel of the Mississippi River. Access to the lake formerly part of the river, known as the False River, is provided by LA 416 and LA 414, the latter of which has a two-mile-long (3.2 km) concurrency with LA 415. The highway turns west away from the Mississippi River at LA 981's southern terminus. Along Patin Dyke Road, LA 415 ends at LA 413 about one mile (1.6 km) east of the town limits of New Roads.

## Major junctions

| Parish | Location | mi | km | Destinations | Notes |
| West Baton Rouge | ​ | 0.0– 0.2 | 0.0– 0.32 | I-10 / Lobdell Highway – Baton Rouge, Lafayette | Exit 151 (I-10) |
| West Baton Rouge | ​ | 0.4 | 0.64 | LA 76 east (Court Street) | Southern end of LA 76 concurrency |
| West Baton Rouge | ​ | 1.2 | 1.9 | LA 76 west / LA 986 east (Rosedale Road) | Northern end of LA 76 concurrency; western terminus of LA 986 |
| West Baton Rouge | ​ | 2.3 | 3.7 | (former) LA 987-3 Spur to LA 987-3 | |
| West Baton Rouge | Lobdell | 3.3 | 5.3 | LA 987-3 east (Plantation Avenue) / LA 415 Spur north (Lobdell Highway) to US 190 west / LA 1 north | Northern terminus of LA 987-3; southern terminus of LA 415 Spur |
| West Baton Rouge | Lobdell | 3.4– 3.7 | 5.5– 6.0 | US 190 east / LA 1 south | Interchange |
| West Baton Rouge | Lobdell | 4.0 | 6.4 | LA 986 south (North River Road) | Northern terminus of LA 986 |
| West Baton Rouge | Chamberlin | 8.8 | 14.2 | LA 620 west (Section Road) | Eastern terminus of LA 620 |
| West Baton Rouge | Alfords | 12.9 | 20.8 | LA 985 south (Rosehill Road) | Northern terminus of LA 985 |
| West Baton Rouge | Arbroth | 15.1 | 24.3 | LA 984 south (Bueche Road) | Northern terminus of LA 984 |
| West Baton Rouge | Arbroth | 15.8 | 25.4 | LA 982 west (Arbroth Road) | Eastern terminus of LA 982 |
| Pointe Coupee | Hermitage | 19.2 | 30.9 | LA 416 west | Eastern terminus of LA 416 |
| Pointe Coupee | ​ | 19.7 | 31.7 | LA 414 south (Chenal Road) | Southern end of LA 414 concurrency |
| Pointe Coupee | ​ | 22.0 | 35.4 | LA 414 north | Northern end of LA 414 concurrency |
| Pointe Coupee | Waterloo | 22.4 | 36.0 | LA 981 north | Southern terminus of LA 981 |
| Pointe Coupee | ​ | 25.3 | 40.7 | LA 413 (Patin Dyke Road) | |
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus ||||||

## Spur route

Louisiana Spur Highway 415 (SPUR LA 415) is a 0.46-mile (0.74 km) highway in Port Allen, Louisiana. It runs from south to north, connecting mainline LA 415 with US 190 and LA 1.
Starting at an intersection with LA 415 and LA 987-3, LA 415 Spur serves the purpose of moving traffic from US 190 onto LA 415 south towards I-10 and Baton Rouge. It is signed southbound as South Spur LA 415, but is signed northbound only as Alternate Route I-10.
The entire highway is in Port Allen, West Baton Rouge Parish.
| mi | km | Destinations | Notes |
| 0.0 | 0.0 | LA 987-3 / LA 415 to US 190 east / LA 1 south | Southern terminus |
| 0.4 | 0.64 | US 190 west (Airline Highway) / LA 1 north | Northern terminus |
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi ||||