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List of U.S. Highways in Louisiana

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U.S. Highways of the Louisiana Highway System
U.S. Highway 90 marker
U.S. Highway 165 marker
U.S. Highway 71 marker
Highway markers from different years: 1928 (left), 1948 (center), 1970–present (right)
System information
Maintained by La DOTD
Length2,598.636 mi[3] (4,182.099 km)
FormedNovember 11, 1926 (1926-11-11) (designated);[1]
February 1928 (signed)[2]
Highway names
US HighwaysU.S. Highway X (US X)
Special routes:U.S. Highway X Business (US X Bus.);
U.S. Highway X Bypass (US X Byp.);
U.S. Highway X Truck (US X Truck)
System links
  • Louisiana State Highway System

The U.S. Highway System in Louisiana consists of 2,490.851 miles (4,008.636 km) of mainline highway routes and 107.785 miles (173.463 km) of special routes (both figures including concurrencies) that are constructed and maintained by the Louisiana Department of Transportation and Development (La DOTD).[3]

Mainline routes

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Number Length (mi)[3] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
US 11 31.153 50.136 US 90 in New Orleans Mississippi state line north of Pearl River 01939-01-011939[4] current
US 51 68.925 110.924 US 61 in LaPlace Mississippi state line north of Kentwood 01926-01-011926[1] current
US 61 121.644 195.767 US 90 in New Orleans Mississippi state line north of St. Francisville 01926-01-011926[1] current
US 63 35.351 56.892 I-20/US 167/LA 146 in Ruston Arkansas state line at Junction City 01999-01-011999[5] current Entire route co-signed with US 167; only U.S. highway in Louisiana with same number as a current state route (LA 63)
US 65 100.77 162.17 US 425/LA 15 in Clayton Arkansas state line north of Lake Providence 01926-01-011926[1] current
US 71 231.099 371.918 US 190 west of Krotz Springs Arkansas state line at Ida 01926-01-011926[1] current
US 79 88.246 142.018 Texas state line southwest of Greenwood Arkansas state line north of Haynesville 01935-01-011935[6] current
US 80 199.850 321.627 Texas state line west of Greenwood Mississippi state line at Vicksburg, MS 01926-01-011926[1] current
US 84 182.851 294.270 Texas state line at Logansport Mississippi state line at Natchez, MS 01935-01-011935[6] current
US 90 297.6 478.9 Texas state line at Orange, TX Mississippi state line at Pearlington, MS 01926-01-011926[1] current Lafayette–New Orleans segment projected to become part of I-49
US 165 228.319 367.444 US 90 east of Lake Charles Arkansas state line north of Bonita 01926-01-011926[1] current
US 167 241.046 387.926 LA 14 in Abbeville Arkansas state line at Junction City 01926-01-011926[1] current
US 171 177.441 285.564 US 90/LA 14 in Lake Charles US 79/US 80/LA 3094 in Shreveport 01926-01-011926[1] current Only U.S. Highway completely within Louisiana; intersects US 71 via LA 3094 in Shreveport
US 190 280.8 451.9 Texas state line west of Merryville US 90 in White Kitchen, near Slidell 01926-01-011926[1] current
US 371 84.140 135.410 I-49/LA 177 southwest of Coushatta Arkansas state line at Springhill 01994-01-011994[7] current
US 425 120.969 194.681 Mississippi state line at Natchez, MS Arkansas state line north of Bastrop 01989-01-011989[8] current

Current special routes

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Number Length (mi)[3] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes

US 51 Bus. 		8.837 14.222 South of Ponchatoula Hammond 01960-01-011960[9] current La DOTD designation: US 51-X

US 61 Bus. 		11.098 17.860 Baton Rouge Baton Rouge 01960-01-011960[9] current La DOTD designation: US 61-X; entire route duplicated by US 190 Bus.

US 71 Byp. 		6.530 10.509 Alexandria Alexandria 01994-01-011994[10] current Entire route follows I-49

US 79 Byp. 		5.223 8.406 South of Homer Homer 02011-01-012011[11] current La DOTD designation: US 79-B

US 79 Truck 		4.417 7.108 Minden Minden — — Route follows combination of local roads, US 80, and LA 531

US 80 Truck 		0.284 0.457 Arcadia Arcadia — — Route follows LA 798-1 and LA 151

US 80 Truck 		0.158 0.254 Gibsland Gibsland — — Entire route follows LA 799

US 80 Truck 		0.470 0.756 Minden Minden — — Entire route follows US 79 Truck

US 84 Bus. 		0.733 1.180 Mansfield Mansfield 02010-01-012010[12] current La DOTD designation: US 84-B

US 90 Bus. 		2.633 4.237 Lafayette Lafayette 01965-01-011965[13] current La DOTD designation: US 90-Y

US 90 Bus. 		3.207 5.161 Lake Charles Lake Charles 01963-01-011963[14] current La DOTD designation: US 90-X

US 90 Bus. 		8.158 13.129 Morgan City East of Amelia 01999-01-011999[5] current La DOTD designation: US 90-W

US 90 Bus. 		14.580 23.464 West of Westwego New Orleans 01960-01-011960[15][16] current La DOTD designation: US 90-Z

US 165 Bus. 		6.073 9.774 Alexandria Pineville 01963-01-011963[14] current La DOTD designation: US 165-X

US 165 Bus. 		9.688 15.591 South of Richwood Monroe 01970-01-011970[17] current La DOTD designation: US 165-Y

US 167 Bus. 		4.306 6.930 Alexandria Alexandria 01994-01-011994[10] current La DOTD designation: US 167-X

US 171 Bus. 		3.113 5.010 East of Zwolle North of Zwolle 02008-01-012008[18] current La DOTD designation: US 171-X

US 190 Bus. 		10.982 17.674 Baton Rouge Baton Rouge 01960-01-011960[9] current La DOTD designation: US 61-X; entire route duplicates US 61 Bus.

US 190 Bus. 		3.306 5.320 Covington Covington 01969-01-011969[19] current La DOTD designation: US 190-X

US 190 Bus. 		3.937 6.336 Slidell East of Slidell 01971-01-011971[20] current La DOTD designation: US 190-Y; official mileage does not reflect entire signed route

US 190 Spur 		0.052 0.084 Kinder Kinder — — La DOTD designation: US 190-S; un-signed route

Former special routes

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Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes

US 61 Bus. 		2.46 3.96 St. Francisville St. Francisville 01960-01-011960[9] 02012-01-012012 Route followed LA 3057 and LA 10 (now LA 1263)

US 61 Byp. 		6.6 10.6 Baton Rouge Baton Rouge 01947-01-011947[21] 01963-01-011963[14] Entire route duplicated by US 65 Byp. until 1951 and US 190 Byp. after 1954; replaced by mainline US 61

US 65 Byp. 		10.4 16.7 Nesser Baton Rouge 01947-01-011947[21] 01951-01-011951[22] Entire route duplicated US 61 Byp.; deleted when US 65 southern terminus moved to Natchez, MS

US 71 Bus. 		4.5 7.2 Alexandria Alexandria 01947-01-011947[21] 01951-01-011951[22] Replaced by mainline US 71

US 71 Bus. 		4.6 7.4 Alexandria Alexandria 01963-01-011963[14] 01981-01-011981[23] Replaced by re-routed US 167 and existing state highways

US 71 Byp. 		4.8 7.7 Alexandria Alexandria 01951-01-011951[22] 01963-01-011963[14] Entire route duplicated by US 167 Byp.; replaced by mainline US 71

US 80 Alt. 		3.7 6.0 East of Bossier City Shreveport 01937-01-011937[24] 01939-01-011939[25] Alternate Red River crossing

US 90 Alt. 		3 4.8 New Orleans New Orleans 01935-01-011935 01936-01-011936

US 90 Bus. 		2.7 4.3 Lafayette Lafayette 01947-01-011947[21] 01951-01-011951[22] Replaced by mainline US 90

US 90 Byp. 		2.1 3.4 Lafayette Lafayette 01951-01-011951[22] 01956-01-011956[26] Replaced by mainline US 90

US 165 Byp. 		8.8 14.2 Alexandria North of Pineville 01951-01-011951[22] 01963-01-011963[14] Replaced by mainline US 165

US 165 Byp. 		7.9 12.7 Rilla Monroe 01965-01-011965[13] 01970-01-011970[17] Replaced by mainline US 165

US 167 Byp. 		1.3 2.1 Lafayette Lafayette 01955-01-011955[27] 01956-01-011956[26] Entire route followed US 90 Byp.; replaced by mainline US 167

US 167 Byp. 		4.8 7.7 Alexandria Alexandria 01951-01-011951[22] 01963-01-011963[14] Entire route duplicated US 71 Byp.; replaced by mainline US 167

US 190 Byp. 		6.6 10.6 Baton Rouge Baton Rouge 01947-01-011947[21] 01963-01-011963[14] Entire route followed US 61 Byp. (and US 65 Byp. until 1951); replaced by mainline US 190

US 190 Spur 		0.74 1.19 Hammond Hammond — 01991-01-011991 Replaced by LA 3260

See also

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References

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  1. ^ a b c d e f g h i j k United States Numbered Highways, Selected by American Association of State Highway Officials, Approved by United States Department of Agriculture. American Association of State Highway Officials. 1927.
  2. ^ "Standard U.S. Road Markers Being Erected". Alexandria Daily Town Talk. Alexandria, LA. February 14, 1928. p. 9.
  3. ^ a b c d Louisiana Department of Transportation and Development, Highway Inventory Unit (2018). "LRS Conversion Tool". Louisiana Department of Transportation and Development. Retrieved January 4, 2019.
  4. ^ Weingroff, Richard F. (April 7, 2011). "U.S. 11 - Rouses Point, New York, to New Orleans, Louisiana". Highway History. Federal Highway Administration. Retrieved April 25, 2013.
  5. ^ a b Special Committee on U.S. Route Numbering (October 1, 1999). "Report of the Special Committee on U.S. Route Numbering to the Standing Committee on Highways" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived from the original (PDF) on October 16, 2017. Retrieved November 5, 2015.
  6. ^ a b Louisiana Highway Commission; Hal M. Bourg (July 1, 1935). Official Road Map of Louisiana (Map). Scale not given. Baton Rouge: Louisiana Highway Commission.
  7. ^ Special Committee on U.S. Route Numbering (April 10, 1994). "Report of the Special Committee on U.S. Route Numbering to the Standing Committee on Highways" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived from the original (PDF) on October 16, 2017. Retrieved November 5, 2015.
  8. ^ Special Committee on U.S. Route Numbering (October 7, 1989). "Report of the Special Committee on U.S. Route Numbering to the Executive Committee" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived from the original (PDF) on October 16, 2017. Retrieved November 5, 2015.
  9. ^ a b c d Louisiana Department of Highways (December 1960). Louisiana (Map). Scale not given. Baton Rouge: Louisiana Department of Highways.
  10. ^ a b Special Committee on U.S. Route Numbering (November 12, 1994). "Report of the Special Committee on U.S. Route Numbering to the Standing Committee on Highways" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived from the original (PDF) on October 16, 2017. Retrieved November 5, 2015.
  11. ^ Special Committee on U.S. Route Numbering (October 15, 2011). "Report to the Standing Committee on Highways" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived from the original (PDF) on October 16, 2017. Retrieved November 5, 2015.
  12. ^ Special Committee on U.S. Route Numbering (October 29, 2010). "Report to the Standing Committee on Highways" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived from the original (PDF) on October 16, 2017. Retrieved November 5, 2015.
  13. ^ a b Louisiana Department of Highways (1966). Louisiana (Map). Scale not given. Baton Rouge: Louisiana Department of Highways.
  14. ^ a b c d e f g h Louisiana Department of Highways (June 1, 1963). Louisiana (Map). Scale not given. Baton Rouge: Louisiana Department of Highways.
  15. ^ "West Bank Link Opens Monday". The Times-Picayune. New Orleans. September 11, 1960. p. 6. ISSN 1055-3053.
  16. ^ Barry, Fred (October 9, 1960). "West Bank Expressway Removes Bottlenecks". The Times-Picayune. New Orleans. p. 6. ISSN 1055-3053.
  17. ^ a b U.S. Route Numbering Subcommittee (June 20, 1970). "U.S. Route Numbering Subcommittee Agenda Showing Action Taken by the Executive Committee" (PDF) (Report). Washington, DC: American Association of State Highway Officials. Retrieved November 5, 2015 – via Wikimedia Commons.
  18. ^ Special Committee on U.S. Route Numbering (May 4, 2008). "Special Committee on US Route Numbering Decisions" (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived from the original (MHT) on October 16, 2017. Retrieved November 5, 2015.
  19. ^ U.S. Route Numbering Subcommittee (June 24, 1969). "U.S. Route Numbering Subcommittee Agenda Showing Action Taken by the Executive Committee" (Report). Washington, DC: American Association of State Highway Officials. Retrieved November 5, 2015 – via Wikisource.
  20. ^ U.S. Route Numbering Subcommittee (June 21, 1971). "U.S. Route Numbering Subcommittee Agenda Showing Action Taken by the Executive Committee" (PDF) (Report). Washington, DC: American Association of State Highway Officials. Retrieved November 5, 2015 – via Wikimedia Commons.
  21. ^ a b c d e Louisiana Department of Highways (1947). Louisiana Highways (Map). Scale not given. Baton Rouge: Louisiana Department of Highways.
  22. ^ a b c d e f g Louisiana Department of Highways (September 1, 1951). Louisiana Highways (Map). Scale not given. Baton Rouge: Louisiana Department of Highways.
  23. ^ Special Committee on U.S. Route Numbering (October 3, 1981). "Route Numbering Committee Agenda" (Report). Washington, DC: American Association of State Highway and Transportation Officials. Retrieved November 5, 2015 – via Wikisource.
  24. ^ Gallup Map and Supply (1937). Louisiana Info-Map (Map). Gulf Oil.
  25. ^ H.M. Gousha (1939). Road Map of Louisiana (Map). Scale not given. Baton Rouge: Tourist Bureau, Louisiana Department of Commerce and Industry.
  26. ^ a b Louisiana Department of Highways (July 1, 1956). Louisiana Highways (Map). Scale not given. Baton Rouge: Louisiana Department of Highways.
  27. ^ Louisiana Department of Highways (July 1, 1955). Louisiana Highways: Interim Road Map (Map). Scale not given. Baton Rouge: Louisiana Department of Highways.
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