List of U.S. Highways in Louisiana

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U.S. Highways of the Louisiana Highway System
x70pxx70pxU.S. Highway 61 marker
Highway markers from different years: 1928 (left), 1948 (center), 1971 (right)
System information
Maintained by La DOTD
Length: 2,599.37 mi[2] (4,183.28 km)
Formed: November 11, 1926 (1926-11-11) (designated);[1]
Summer 1928 (signed)
Highway names
US Routes: U.S. Highway X (US X)
Bannered 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 Highway System

The U.S. Highway System in Louisiana consists of 2,495.31 miles (4,015.81 km) of mainline highway routes and 104.06 miles (167.47 km) of bannered routes (both figures including concurrencies) that are constructed and maintained by the Louisiana Department of Transportation and Development (La DOTD).[2]

Mainline routes

Number Length (mi)[2] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
US 11 31.11 50.07 US 90 in New Orleans Mississippi state line northeast of Pearl River 1939[3] current
US 51 69.13 111.25 US 61 in LaPlace Mississippi state line northeast of Kentwood 1926[1] current
US 61 121.75 195.94 US 90 in New Orleans Mississippi state line north of St. Francisville 1926[1] current
US 63 35.35 56.89 I-20/US 167 in Ruston Arkansas state line at Junction City 1999[4] 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 65 101.05 162.62 US 425/LA 15 in Clayton Arkansas state line north of Lake Providence 1926[1] current
US 71 231.78 373.01 US 190 west of Krotz Springs Arkansas state line at Ida 1926[1] current
US 79 88.33 142.15 Texas state line southwest of Greenwood Arkansas state line north of Haynesville 1935[5] current
US 80 199.93 321.76 Texas state line west of Greenwood Mississippi state line at Vicksburg, MS 1926[1] current
US 84 182.32 293.42 Texas state line at Logansport Mississippi state line at Vidalia 1935[5] current
US 90 297.21 478.31 Texas state line at Orange, TX Mississippi state line at Pearlington, MS 1926[1] current Lafayette–New Orleans segment projected to become part of I-49
US 165 228.51 367.75 US 90 east of Lake Charles Arkansas state line northeast of Bonita 1926[1] current
US 167 241.71 388.99 LA 14 in Abbeville Arkansas state line at Junction City 1926[1] current
US 171 178.23 286.83 US 90/LA 14 in Lake Charles US 79/US 80/LA 3094 in Shreveport 1926[1] current Only U.S. Highway completely within Louisiana; intersects US 71 via LA 3094 in Shreveport
US 190 280.92 452.10 Texas state line west of Merryville US 90 southeast of Slidell 1926[1] current
US 371 86.98 139.98 I-49/LA 177 south of Evelyn Arkansas state line at Springhill 1994[6] current Official length and termini include projected westward extension on new alignment to I-49
US 425 121.00 194.73 Mississippi state line at Vidalia Arkansas state line north of Bastrop 1989[7] current

Current bannered routes

Number Length (mi)[2] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes

US 51 Bus.		 8.81 14.18 South of Ponchatoula Hammond 1960[8] current La DOTD designation: US 51-X

US 61 Bus.		 10.75 17.30 Baton Rouge Baton Rouge 1960[8] current La DOTD designation: US 61-X; entire route duplicated by US 190 Bus.

US 61 Bus.		 2.46 3.96 St. Francisville St. Francisville 1960[8] current Entire route duplicates LA 3057

US 71 Byp.		 6.02 9.69 Alexandria Alexandria 1994[9] current Entire route follows I-49

US 79 Byp.		 5.22 8.40 South of Homer Homer 2011[10] current

US 79 Truck		 4.4 7.1 Minden Minden — — Route follows combination of local roads, US 80, and LA 531

US 80 Truck		 0.21 0.34 Arcadia Arcadia — — Route follows LA 798-1 and LA 151

US 80 Truck		 0.16 0.26 Gibsland Gibsland — — Entire route follows LA 799

US 80 Truck		 0.46 0.74 Minden Minden — — Entire route follows US 79 Truck

US 84 Bus.		 0.75 1.21 Mansfield Mansfield 2010[11] current La DOTD designation: US 84-B

US 90 Bus.		 2.59 4.17 Lafayette Lafayette 1965[12] current La DOTD designation: US 90-Y

US 90 Bus.		 3.20 5.15 Lake Charles Lake Charles 1963[13] current La DOTD designation: US 90-X

US 90 Bus.		 7.99 12.86 Morgan City East of Amelia 1999[4] current La DOTD designation: US 90-W

US 90 Bus.		 14.33 23.06 West of Westwego New Orleans 1960[14][15] current La DOTD designation: US 90-Z

US 165 Bus.		 6.32 10.17 Alexandria Pineville 1963[13] current La DOTD designation: US 165-X

US 165 Bus.		 9.73 15.66 South of Richwood Monroe 1970[16] current La DOTD designation: US 165-Y

US 167 Bus.		 4.88 7.85 Alexandria Alexandria 1994[9] current La DOTD designation: US 167-X

US 171 Bus.		 3.08 4.96 East of Zwolle North of Zwolle 2008[17] current La DOTD designation: US 171-X

US 190 Bus.		 10.75 17.30 Baton Rouge Baton Rouge 1960[8] current La DOTD designation: US 61-X; entire route duplicates US 61 Bus.

US 190 Bus.		 3.26 5.25 Covington Covington 1969[18] current La DOTD designation: US 190-X

US 190 Bus.		 3.92 6.31 Slidell East of Slidell 1971[19] current La DOTD designation: US 190-Y; official mileage does not reflect entire signed route

Former bannered routes

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

US 61 Byp.		 6.6 10.6 Baton Rouge Baton Rouge 1947[20] 1963[13] 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 1947[20] 1951[21] 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 1947[20] 1951[21] Replaced by mainline US 71

US 71 Bus.		 4.6 7.4 Alexandria Alexandria 1963[13] 1981[22] Replaced by re-routed US 167 and existing state highways

x25px US 71 Byp.		 4.8 7.7 Alexandria Alexandria 1943 1947[20] Replaced by mainline US 71

US 71 Byp.		 4.8 7.7 Alexandria Alexandria 1951[21] 1963[13] Entire route duplicated by US 167 Byp.; replaced by mainline US 71

x25px US 80 Alt.		 3.7 6.0 East of Bossier City Shreveport 1937[23] 1939[24] Alternate Red River crossing

US 90 Bus.		 2.7 4.3 Lafayette Lafayette 1947[20] 1951[21] Replaced by mainline US 90

US 90 Byp.		 2.1 3.4 Lafayette Lafayette 1947[20] 1951[21] Replaced by mainline US 90

x25px US 165 Byp.		 8.8 14.2 Alexandria North of Pineville 1951[21] 1963[13] Replaced by mainline US 165

x25px US 165 Byp.		 7.9 12.7 Rilla Monroe 1965[12] 1970[16] Replaced by mainline US 165

US 167 Byp.		 1.3 2.1 Lafayette Lafayette 1953[25] 1956[26] Entire route followed US 90 Byp.; replaced by mainline US 167

x25px US 167 Byp.		 4.8 7.7 Alexandria Alexandria 1951[21] 1963[13] Entire route duplicated US 71 Byp.; replaced by mainline US 167

x25px US 190 Byp.		 6.6 10.6 Baton Rouge Baton Rouge 1947[20] 1963[13] 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 — 1991 Replaced by LA 3260

US 190 Spur		 0.06 0.10 Kinder Kinder — 2003 Returned to local control

See also

References

  1. ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ 2.0 2.1 2.2 2.3 Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ 4.0 4.1 Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ 5.0 5.1 Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ 8.0 8.1 8.2 8.3 Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ 9.0 9.1 Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  12. ↑ 12.0 12.1 Lua error in package.lua at line 80: module 'strict' not found.
  13. ↑ 13.0 13.1 13.2 13.3 13.4 13.5 13.6 13.7 Lua error in package.lua at line 80: module 'strict' not found.
  14. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  15. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  16. ↑ 16.0 16.1 Lua error in package.lua at line 80: module 'strict' not found.
  17. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  18. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  19. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  20. ↑ 20.0 20.1 20.2 20.3 20.4 20.5 20.6 Lua error in package.lua at line 80: module 'strict' not found.
  21. ↑ 21.0 21.1 21.2 21.3 21.4 21.5 21.6 Lua error in package.lua at line 80: module 'strict' not found.
  22. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  23. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  24. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  25. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  26. ↑ Lua error in package.lua at line 80: module 'strict' not found.

External links

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