U.S. Route 90 Business (New Orleans)

U.S. Route 90 Business (New Orleans)
State	LA
Type	US-Bus
Route	90
Length mi	5.0
Established	1950s
Direction a	West
Terminus a	Gretna
Direction b	East
Terminus b	New Orleans Central Business District
Counties	Jefferson Parish, Orleans Parish

U.S. Route 90 Business (New Orleans)

U.S. Route 90 Business (commonly called the New Orleans business route) is a short business route serving Gretna and the western portion of the New Orleans CBD along the Westbank and the Crescent City Connection approaches. The route parallels U.S. Route 90 and connects to major crossings and urban corridors used by commuters, freight, and visitors to cultural institutions. It passes historic neighborhoods, transportation hubs, and sites tied to regional development and resilience.

Route description

The corridor begins in Gretna near connections to Interstate 10, skirting the Mississippi River levee and proceeding toward the Crescent City Connection ramps that serve New Orleans Public Belt Railroad, Port of New Orleans, and the Mercedes-Benz Superdome. Along its path the business route traverses or abuts Algiers and provides access to Audubon Park, University of New Orleans, and the industrial districts linked to LSU Health New Orleans and Touro Infirmary. Intersections with U.S. 90 Alternate and connections to Hurricane Katrina recovery projects are noticeable, as are bridges over drainage canals that tie to Lake Pontchartrain flood-control systems. The roadway integrates with arteries leading to French Quarter, Garden District, New Orleans Union Passenger Terminal, and the Riverwalk Marketplace, supporting transit between residential wards and tourist destinations.

History

The business designation emerged in the mid-20th century during realignments of U.S. 90 and construction of limited-access segments like I-10. Earlier alignments followed historic paths used by steamboat commerce on the Mississippi River and by streetcar lines that connected to the St. Charles Avenue corridor. The route witnessed transformations tied to Hurricane Betsy, Hurricane Camille planning, and the large-scale reconstruction following Hurricane Katrina in 2005 that involved agencies such as the Louisiana Department of Transportation and Development and the Federal Emergency Management Agency. Phased improvements paralleled initiatives by the New Orleans RPC and federal programs like the ISTEA and the TEA-21.

Major intersections

Key junctions include connections with I-10 near downtown, merges with U.S. 90 Alternate, and access ramps to the Crescent City Connection linking with LA 1 and the Veterans Memorial Boulevard approach in Jefferson Parish. The route also intersects local corridors serving Lafitte Greenway, Rampart Street, and the Claiborne Avenue corridor adjacent to Treme and Mid-City. Freight movements tie to terminals serving Port of New Orleans and rail connections to the Beltway, while transit stops serve lines operated by the New Orleans Regional Transit Authority.

Special routes and designations

The business route has been subject to auxiliary signage, including truck routes and temporary detours implemented during major events such as the Jazz & Heritage Festival and Mardi Gras seasons. Designations for historic preservation along parts of the corridor reference districts like Algiers Historic District and Garden District conservation areas, and segment-specific improvements have been coordinated through programs involving the National Park Service and the U.S. DOT historic-preservation reviews. Emergency evacuation designations tie the corridor into statewide plans administered with LA GOHSEP.

Traffic and maintenance

Traffic patterns show peak flows related to commuter patterns between Jefferson Parish and Orleans Parish, event-driven surges for venues such as the Smoothie King Center and Superdome, and freight peaks tied to the Port of New Orleans. Maintenance responsibilities primarily involve the Louisiana Department of Transportation and Development for state-controlled segments, while municipal agencies in Gretna and New Orleans manage local intersections, signage, and streetscape elements. Retrofits and resilience projects following Hurricane Katrina incorporated flood-proofing, elevated ramp work, and collaborations with U.S. Army Corps of Engineers and the Environmental Protection Agency on drainage and environmental remediation.

In popular culture and notable landmarks

The corridor provides access to landmarks such as the French Quarter, Audubon Park, Audubon Zoo, Mardi Gras World, and the National WWII Museum, and it figures in portrayals of New Orleans in films, television shows, and literature associated with figures like Tennessee Williams, Louis Armstrong, and Truman Capote. Routings near the Riverwalk Marketplace and the French Market appear in works capturing Mardi Gras parades and Jazz & Heritage Festival scenes, and the route’s bridges and ramps are visible in documentaries about Hurricane Katrina recovery and urban resilience studies by institutions such as Tulane University and University of New Orleans. The roadway also serves as a corridor to sites tied to Creole culture, Voodoo traditions, and culinary institutions celebrated by chefs like Emeril Lagasse and Paul Prudhomme.

Category:U.S. Highways in Louisiana Category:Transportation in New Orleans Category:Jefferson Parish, Louisiana