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Interstate 910 Louisiana

 

Although a hidden route, I-910 adds the southern portion of the Pontchartrain Expressway, the Greater New Orleans / Crescent City Connection Bridge and the freeway portion of the Westbank Expressway into the Interstate system.

Routing

Interstate 910 is the hidden designation for the West Bank Expressway, which is signed as Business U.S. 90. This designation is a precursor to the Future Interstate 49 extension, which will take over all of existing Interstate 910 once it is constructed parallel to existing U.S. 90 between Lafayette and New Orleans. Since the Interstate 49 construction project will take some time to be completed, the temporary Interstate 910 designation for this section of the Future Interstate 49 freeway is logical.

History and Status

U.S. 90 Business in New Orleans was designated as a part of Future Interstate 49 in 1991 by federal legislation. Kam Movassaghi, secretary of the state Department of Transportation and Development (LADOTD), requested federal officials in May 1999 to formally label U.S. 90 Business in New Orleans and along the Westbank Expressway as part of Interstate 49 along with a section of U.S. 90 freeway from Raceland to Berwick. Federal officials rejected the two requests in September 1999 because neither were connected to the existing Interstate 49 and instead offered to make the New Orleans segment a spur of I-10 until I-49 is extended.1

The new Interstate 910 designation came to fruition when it was approved by AASHTO on October 1, 1999, but it was never signed. The October 31, 2002, Interstate Route Log and Finders List, published by the Federal Highway Administration, revealed that the Interstate 910 designation is official on its Auxiliary Routes page, so Interstate 910 is an unsigned, "hidden" Interstate.

An update comes in this January 2003 email from the Louisiana Department of Transportation: 2

"The signing of the Westbank Expressway as I-910 is still on hold due to the inclusion of this section of highway in the Future I-49 Corridor. The Department is about to initiate work on an Environmental Impact Statement for 37 miles west of the Westbank Expressway. At the conclusion of that study, we will be in a better position to determine how to proceed."

Since that time, no Interstate 910 signs have been installed and no plans are in the works to do so. The need for Interstate 910 will come to an end once Interstate 49 is extended southeastward from Lafayette to Morgan City and Houma to the southwest of New Orleans. Thus the eastern terminus of Interstate 910 is also the future eastern/southern terminus of Interstate 49. This portion of Interstate 49 is part of High Priority Corridor 37.

Highway Guides

Western Terminus - Business U.S. 90/End of Westbank Expressway - Marrero, Louisiana
Perspective from Business U.S. 90 west
Much of the freeway standard sections of the Westbank Expressway are on elevated viaduct. However, the freeway section ends ahead of Westwood Drive. Photo taken 04/20/12.
Traffic shifts to the Westbank Expressway frontage road system at the current freeway end. The frontage roads travel at grade to the junction with U.S. 90 near Avondale. Photo taken 04/20/12.
3.3 miles westward, Business U.S. 90 ends at the junction with U.S. 90. U.S. 90 ventures north to Bridge City and across the Huey P. Long Bridge to Jefferson. Westward, U.S. 90 south continues to Avondale and Boutte along the projected path of Interstate 49 South. Photo taken by Steve Hanudel (08/15/05).
Perspective from Business U.S. 90 east
Business U.S. 90, from its beginning near Westwego to this point at Marrero, utilizes three lane frontage roads alongside a grassy median. The median awaits the future extension of the Westbank Expressway. Beyond the traffic light at Westwood Drive is the freeway beginning. Photo taken 04/20/12.
Two lanes veer away from the frontage road system of the Westbank Expressway onto the freeway beginning. The service road continues to Ames Boulevard, which is Exit 4A from westbound. Photo taken 04/20/12.
The Westbank Expressway upgrades to a six-lane viaduct west of Louisiana 45 (Barataria Boulevard). This centerline exit sign shows the first three interchanges of Interstate 910 and is representative of exit signage along the Westbank Expressway. Photo taken 04/20/12.
Eastern Terminus - Interstate 10 - New Orleans, Louisiana
Perspective from Interstate 10 west
The first guide sign on westbound Interstate 10 for U.S. 90 Business (Interstate 910). Interstate 910 begins from I-10 west from a sweeping flyover ramp. Photo taken by Steve Hanudel (08/14/05).
Exit 235B departs Interstate 10 west for Downtown and Mercedes-Benz Superdome as Exit 234C for U.S. 90 Business (Pontchartrain Expressway) west prepares to depart from the left-hand side. I-10 turns northwest onto the Pontchartrain Expressway from near the Superdome to the 17th Street Canal. Photo taken 04/20/02.
The three lane westbound viaduct partitions with a two-lane ramp for U.S. 90 Business / Interstate 910 and a two-lane mainline northwest to Mid-City and Metairie. Photo taken by Steve Hanudel (08/14/05).
Exit 234C departs Interstate 10 west for U.S. 90 Business. U.S. 90 Business loops southeast across the Crescent City Connection bridge to Algiers before turning westward again to the Westbank. Photo taken 04/20/02.
Next Five Interstate Junctions for Interstate 10 west
Interstate 310 14 miles at Kenner, LA
Interstate 55 24 miles at LaPlace, LA
Interstate 12 75 miles at Baton Rouge, LA
Interstate 110 79 miles at Baton Rouge, LA
Interstate 49 131 miles at Lafayette, LA
Perspective from Interstate 10 east
Passing over U.S. 61 (Airline Drive), Interstate 10 eastbound drivers see the first sign for the Pontchartrain Expressway south to the Crescent City Connection bridge and the Westbank. Signs for Exit 234A omit U.S. 90 Business in favor of U.S. 90 until the gore point. Photo taken 04/20/12.
As Interstate 10 eastbound draws closer to downtown New Orleans, signage shows that the U.S. 90 / Exit 234A transition is a left-hand exit. In actuality, Interstate 10 exits from the Ponchartrain Expressway, turning northeast. Photo taken 04/20/12.
Interstate 10 departs the Pontchartrain Expressway toward the Vieux Carre. In this last set of signs, the U.S. 90 Business designation is finally revealed. U.S. 90 Business follows the left lanes of the transition ramp, taking unsigned Interstate 910 southward across the Mississippi River to the Westbank Expressway. U.S. 90 / Claiborne Avenue traffic departs just after the split with I-10. Photo taken 04/20/12.
U.S. 90 travels underneath the Claiborne Avenue viaduct of Interstate 10 from Tulane Avenue west by the Mercedes-Benz Superdome. Beyond this interchange, the US route travels southwestward to Tulane University and the community of Jefferson before crossing the Mississippi River via the Huey P. Long Bridge. Photo taken 04/20/12.
Immediately south of its beginning, U.S. 90 Business (Pontchartrain Expressway) partitions with the Claiborne Avenue off-ramp to U.S. 90 and the Superdome. U.S. 90 Business elevates from this point southward to the Greater New Orleans Bridge. Photo taken 04/20/12.
Next Three Interstate Junctions for Interstate 10 east
Interstate 510 12 miles at east New Orleans, LA
Interstate 12/
Interstate 59
33 miles at Slidell, LA
Interstate 110 86 miles at D'Iberville, MS

Sources:

  1. "I-910 MAY PAVE PATH IN N.O." The Times-Picayune, April 1, 2000.
  2. Email from Ronnie Goynes, LADOTD (01/27/03)

Page Updated September 19, 2012.

 
Mileage

State Louisiana
Mileage 9.70
Cities New Orleans
Junctions Interstate 10
Source: October 31, 2002 Interstate Route Log and Finders List
I-910 Louisiana Annual Average Daily Traffic

Parish From To AADT Comp. Year
Jeff. Exit 4B/ LA 45 Exit 6/ Manhattan Bl. 66,189 2002
Jeff. Exit 6/ Manhattan Bl. Exit 7/ LA 18/23 70,356 2002
Jeff. Exit 7/ LA 18/23 Exit 8/ Stumpf Bl. 103,395 2002
Jeff. Exit 8/ Stumpf Bl. Exit 9AB/ LA 428 n/a 2002
Orl. Exit 9AB/ Lv 428 Tchoup- itoulas St 107,688 2001
Orl. Tchoup- itoulas St I-10 133,691 2001
Source: Louisiana Traffic Volume Monitoring (LADOTD)

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