Louisiana Highway 47

Louisiana Highway 47
Route information
Maintained by Louisiana DOTD
Length:	16.19 mi (26.06 km)
Existed:	1955 renumbering – present
Major junctions
South end:	LA 46 in Chalmette
	I-510 in New Orleans US 90 in New Orleans I-10 (Exit 246-AB) in New Orleans
North end:	Downman Road in New Orleans
Highway system
Highways in Louisiana ← LA 46 LA 48 →

Louisiana Highway 47 (LA 47) is a state highway in Louisiana that serves Orleans and St. Bernard Parishes. It spans 16.19 in a southeast to northwest direction, although it is designated as a south/north route. It is known locally as Paris Road and Hayne Boulevard.

Route description

From the south, LA 47 (Paris Road) begins at an intersection with LA 46 (St. Bernard Highway) in Chalmette just north of the Chalmette Ferry landing. Continuing north, the highway passes LA 39 (Judge Perez Drive) before heading across Bayou Bienvenue and into Orleans Parish/New Orleans East. Shortly thereafter, it crosses the Mississippi River – Gulf Outlet Canal via the Paris Road Bridge or the "Green" Bridge. At the opposite end of the bridge, Interstate 510 begins, eventually passing US 90. The two highways overlap until they meet Interstate 10 at Exit 246-AB. From there, LA 47 continues northward to the south shore of Lake Pontchartrain. At that point, the highway turns west-southwesterly and becomes Hayne Boulevard. It runs along the shore of Lake Pontchartrain before ending at the intersection with Downman Road.

LA 47 is an undivided, five-lane roadway (with middle turning lane) from LA 46 to north of Chalmette. It then changes to a divided, four-lane until the south foot of the Paris Road Bridge where it becomes a controlled access highway as part of Interstate 510. Just north of Interstate 10 and the northern terminus of Interstate 510, LA 47 again becomes a divided, four-lane highway. Finally, it becomes an undivided, four-lane highway from the Paris Road/Hayne Boulevard intersection to its terminus at the Downman Road/Hayne Boulevard intersection.

Junction list

Parish	Location	Mile	#	Junction	Notes
St. Bernard	Chalmette	Southern terminus of LA 47
		0.00	N/A	LA 46 (St. Bernard Highway)	Just north of the Chalmette Ferry landing
		0.4	N/A	LA 39 (Judge Perez Drive)
Orleans	New Orleans	Green Bridge over the Gulf Intracoastal Waterway/Mississippi River – Gulf Outlet Canal
		Begin concurrency
		5.9	2C	Almonaster Boulevard To Old Gentilly Road	Diamond Interchange
		6.5	2B	US 90 East (Chef Menteur Highway)	Northbound Only
		6.5	2A	US 90 West (Chef Menteur Highway)	Northbound Only
		6.5	2A	US 90 (Chef Menteur Highway)	Southbound Only
		7.6	1B	Lake Forest Boulevard	Diamond Interchange
		8.9	1A	I-10 New Orleans/Slidell	Northbound Only
		8.9	1A	I-10 East - Slidell	Southbound Only
		8.9	0	I-10 West - New Orleans	Southbound Only
		End concurrency
		16.19	N/A	Downman Road
		Northern terminus of LA 47

References

• LADOTD Map of Numbered Highways
• Louisiana State Highway Log
• Google Earth