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Louisiana
Interstates
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Interstate | TX border, Lake Charles - Lafayette (I-49) - Baton Rouge (I-12) - LaPlace (I-55) - New Orleans - Slidell (I-12, I-59), MS Border |
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Interstate | Baton Rouge (I-10) - Hammond (I-55) - Covington - Slidell (I-10, I-59) |
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Interstate | TX border, Shreveport (I-49) - Minden - Ruston - Monroe - Talluhlah, MS border |
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Interstate | Lafayette (I-10) - Opelousas - Alexandria - Natchitoches - Shreveport (I-20) - Ida, AR border |
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Interstate | LaPlace (I-10) - Hammond (I-12) - Amite, MS border |
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Interstate | Slidell (I-10, I-12) - Pearl River, MS border |
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Interstate | Baton Rouge: I-10 - US 61/US 190 - US 61 |
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Interstate | I-10 - Lake Charles - I-10 |
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Outer Loop Expressway | Shreveport (I-20) - Bossier City (I-20) |
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Interstate | Kenner (I-10) - Destrehan - Boutte (US 90) |
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Interstate | New Orleans East (I-10) - Chalmette |
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Interstate | Downtown New Orleans bypass |
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West Bank Expressway | Downtown New Orleans (I-10) - Gretna - Marrero (signed as BUS US 90, to be upgraded to I-49) |
US Highways
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Airline Highway | Baton Rouge: LA 1 - I-110 - LA 67 |
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Expressway | Lafayette - New Iberia - Jeanerette - Franklin - Centerville - Patterson - Morgan City - Raceland - Boutte (I-310) - Westwego - Marrero (I-910) (to be upgraded to I-49 upon completion) |
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Pineville Expressway | Alexandria (I-49) - Pineville - Timber Trails |
State Highways
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Causeway Boulevard | Metairie: US 90 - US 61 |
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Inner Loop Expressway | Shreveport: I-20 - I-49 - LA 526 |
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Earhart Expressway | Harahan - Metairie - New Orleans |
Unnumbered Expressways
| Pontchartrain Causeway | Metairie - Mandeville - Covington (I-12) |
Standards
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Expressway standard |