List of U.S. Highways in Louisiana

U.S. Highways of the Louisiana Highway System
Highway markers from different years: 1928 (left), 1948 (center), 1970-present (right)
System information
Maintained by La DOTD
Length:	2,599.37 mi^[1] (4,183.28 km)
Formed:	November 11, 1926 (1926-11-11) (designated);^[2] Summer 1928 (signed)
Highway names
US Highways:	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 Interstate US State

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).^[1]

Mainline routes

Number	Length (mi)^[1]	Length (km)	Southern or western terminus	Northern or eastern terminus	Formed	Removed	Notes
US0011 !US 11	31.11	50.07	US 90 in New Orleans	Mississippi state line northeast of Pearl River	1939^[3]	current
US0051 !US 51	69.13	111.25	US 61 in LaPlace	Mississippi state line northeast of Kentwood	1926^[2]	current
US0061 !US 61	121.75	195.94	US 90 in New Orleans	Mississippi state line north of St. Francisville	1926^[2]	current
US0063 !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)
US0065 !US 65	101.05	162.62	US 425/LA 15 in Clayton	Arkansas state line north of Lake Providence	1926^[2]	current
US0071 !US 71	231.78	373.01	US 190 west of Krotz Springs	Arkansas state line at Ida	1926^[2]	current
US0079 !US 79	88.33	142.15	Texas state line southwest of Greenwood	Arkansas state line north of Haynesville	1935^[5]	current
US0080 !US 80	199.93	321.76	Texas state line west of Greenwood	Mississippi state line at Vicksburg, MS	1926^[2]	current
US0084 !US 84	182.32	293.42	Texas state line at Logansport	Mississippi state line at Vidalia	1935^[5]	current
US0090 !US 90	297.21	478.31	Texas state line at Orange, TX	Mississippi state line at Pearlington, MS	1926^[2]	current	Lafayette–New Orleans segment projected to become part of I-49
US0165 !US 165	228.51	367.75	US 90 east of Lake Charles	Arkansas state line northeast of Bonita	1926^[2]	current
US0167 !US 167	241.71	388.99	LA 14 in Abbeville	Arkansas state line at Junction City	1926^[2]	current
US0171 !US 171	178.23	286.83	US 90/LA 14 in Lake Charles	US 79/US 80/LA 3094 in Shreveport	1926^[2]	current	Only U.S. Highway completely within Louisiana; intersects US 71 via LA 3094 in Shreveport
US0190 !US 190	280.92	452.10	Texas state line west of Merryville	US 90 southeast of Slidell	1926^[2]	current
US0371 !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
US0425 !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)^[1]	Length (km)	Southern or western terminus	Northern or eastern terminus	Formed	Removed	Notes
US-Bus0051 !US 51 Bus.	8.81	14.18	South of Ponchatoula	Hammond	1960^[8]	current	La DOTD designation: US 51-X
US-Bus0061 !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-Byp0071 !US 71 Byp.	6.02	9.69	Alexandria	Alexandria	1994^[9]	current	Entire route follows I-49
US-Byp0079 !US 79 Byp.	5.22	8.40	South of Homer	Homer	2011^[10]	current	La DOTD designation: US 79-B
US-Truck0079 !US 79 Truck	4.4	7.1	Minden	Minden	—	—	Route follows combination of local roads, US 80, and LA 531
US-Truck0080 !US 80 Truck	0.21	0.34	Arcadia	Arcadia	—	—	Route follows LA 798-1 and LA 151
US-Truck0080 !US 80 Truck	0.16	0.26	Gibsland	Gibsland	—	—	Entire route follows LA 799
US-Truck0080 !US 80 Truck	0.46	0.74	Minden	Minden	—	—	Entire route follows US 79 Truck
US-Bus0084 !US 84 Bus.	0.75	1.21	Mansfield	Mansfield	2010^[11]	current	La DOTD designation: US 84-B
US-Bus0090 !US 90 Bus.	2.59	4.17	Lafayette	Lafayette	1965^[12]	current	La DOTD designation: US 90-Y
US-Bus0090 !US 90 Bus.	3.20	5.15	Lake Charles	Lake Charles	1963^[13]	current	La DOTD designation: US 90-X
US-Bus0090 !US 90 Bus.	7.99	12.86	Morgan City	East of Amelia	1999^[4]	current	La DOTD designation: US 90-W
US-Bus0090 !US 90 Bus.	14.33	23.06	West of Westwego	New Orleans	1960^[14]^[15]	current	La DOTD designation: US 90-Z
US-Bus0165 !US 165 Bus.	6.32	10.17	Alexandria	Pineville	1963^[13]	current	La DOTD designation: US 165-X
US-Bus0165 !US 165 Bus.	9.73	15.66	South of Richwood	Monroe	1970^[16]	current	La DOTD designation: US 165-Y
US-Bus0167 !US 167 Bus.	4.88	7.85	Alexandria	Alexandria	1994^[9]	current	La DOTD designation: US 167-X
US-Bus0171 !US 171 Bus.	3.08	4.96	East of Zwolle	North of Zwolle	2008^[17]	current	La DOTD designation: US 171-X
US-Bus0190 !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-Bus0190 !US 190 Bus.	3.26	5.25	Covington	Covington	1969^[18]	current	La DOTD designation: US 190-X
US-Bus0190 !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
US-Spur0190 !US 190 Spur	0.06	0.10	Kinder	Kinder	—	—	La DOTD designation: US 190-S; un-signed route

Former bannered routes

Number	Length (mi)	Length (km)	Southern or western terminus	Northern or eastern terminus	Formed	Removed	Notes
US-Bus0061 !US 61 Bus.	2.46	3.96	St. Francisville	St. Francisville	1960^[8]	2012	Route followed LA 3057 and LA 10 (now LA 1263)
US 1961-Byp0061 !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 1948-Byp0065 !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 1948-Bus0071 !US 71 Bus.	4.5	7.2	Alexandria	Alexandria	1947^[20]	1951^[21]	Replaced by mainline US 71
US-Bus0071 !US 71 Bus.	4.6	7.4	Alexandria	Alexandria	1963^[13]	1981^[22]	Replaced by re-routed US 167 and existing state highways
US 1961-Byp0071 !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
US 1926-Alt0080 !US 80 Alt.	3.7	6.0	East of Bossier City	Shreveport	1937^[23]	1939^[24]	Alternate Red River crossing
US 1948-Bus0090 !US 90 Bus.	2.7	4.3	Lafayette	Lafayette	1947^[20]	1951^[21]	Replaced by mainline US 90
US 1948-Byp0090 !US 90 Byp.	2.1	3.4	Lafayette	Lafayette	1951^[21]	1956^[25]	Replaced by mainline US 90
US 1961-Byp0165 !US 165 Byp.	8.8	14.2	Alexandria	North of Pineville	1951^[21]	1963^[13]	Replaced by mainline US 165
US 1961-Byp0165 !US 165 Byp.	7.9	12.7	Rilla	Monroe	1965^[12]	1970^[16]	Replaced by mainline US 165
US 1948-Byp0167 !US 167 Byp.	1.3	2.1	Lafayette	Lafayette	1955^[26]	1956^[25]	Entire route followed US 90 Byp.; replaced by mainline US 167
US 1961-Byp0167 !US 167 Byp.	4.8	7.7	Alexandria	Alexandria	1951^[21]	1963^[13]	Entire route duplicated US 71 Byp.; replaced by mainline US 167
US 1961-Byp0190 !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-Spur0190 !US 190 Spur	0.74	1.19	Hammond	Hammond	—	1991	Replaced by LA 3260

References

1 2 3 4 "La DOTD GIS". Louisiana Department of Transportation and Development. 2013. Retrieved September 9, 2013.
1 2 3 4 5 6 7 8 9 10 11 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.
↑ 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.
1 2 Kenison, Leon (October 1, 1999). "Report of the Special Committee on U.S. Route Numbering to the Standing Committee on Highways" (PDF) (Report). Tulsa, OK: American Association of State Highway and Transportation Officials. Retrieved November 5, 2015.
1 2 Louisiana Highway Commission (July 1, 1935). Official Road Map of Louisiana (Map). Louisiana Highway Commission.
↑ 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). Pittsburgh, PA: American Association of State Highway and Transportation Officials. Retrieved November 5, 2015.
↑ Rives, Hal (October 7, 1989). "Report of the Special Committee on U.S. Route Numbering to the Executive Committee" (PDF) (Report). Atlanta, GA: American Association of State Highway and Transportation Officials. Retrieved November 5, 2015.
1 2 3 4 Louisiana Department of Highways (December 1960). Louisiana (Map). Louisiana Department of Highways.
1 2 Dull, Garth (November 12, 1994). "Report of the Special Committee on U.S. Route Numbering to the Standing Committee on Highways" (PDF) (Report). Albuquerque, NM: American Association of State Highway and Transportation Officials. Retrieved November 5, 2015.
↑ Vitale, Marty (October 15, 2011). "Report to the Standing Committee on Highways" (PDF) (Report). Detroit, MI: American Association of State Highway and Transportation Officials. Retrieved November 5, 2015.
↑ Vaughn, Don W. (October 29, 2010). "Report to the Standing Committee on Highways" (PDF) (Report). Biloxi, MS: American Association of State Highway and Transportation Officials. Retrieved November 5, 2015.
1 2 Louisiana Department of Highways (1965). Louisiana (Map). Louisiana Department of Highways.
1 2 3 4 5 6 7 8 Louisiana Department of Highways (June 1963). Louisiana (Map). Louisiana Department of Highways.
↑ "West Bank Link Opens Monday". The Times-Picayune. New Orleans. September 11, 1960. p. 6. ISSN 1055-3053.
↑ Barry, Fred (October 9, 1960). "West Bank Expressway Removes Bottlenecks". The Times-Picayune. New Orleans. p. 6. ISSN 1055-3053.
1 2 U.S. Route Numbering Subcommittee (June 20, 1970). "U.S. Route Numbering Subcommittee Agenda Showing Action Taken by the Executive Committee" (PDF) (Report). Williamsburg, VA: American Association of State Highway Officials. Retrieved November 5, 2015 – via Wikimedia Commons.
↑ Vaughn, Don W. (May 4, 2008). "Special Committee on US Route Numbering Decisions" (MHT) (Report). Branson, MO: American Association of State Highway and Transportation Officials. Retrieved November 5, 2015.
↑ Johnson, A.E. (June 23, 1969). "U.S. Route Numbering Subcommittee Agenda Showing Action Taken by the Executive Committee" (PDF) (Report). Grand Teton National Park, WY: American Association of State Highway Officials. Retrieved November 5, 2015 – via Wikimedia Commons.
↑ U.S. Route Numbering Subcommittee (June 21, 1971). "U.S. Route Numbering Subcommittee Agenda Showing Action Taken by the Executive Committee" (PDF) (Report). Madison, WI: American Association of State Highway Officials. Retrieved November 5, 2015 – via Wikimedia Commons.
1 2 3 4 5 Louisiana Department of Highways (1947). Louisiana Highways (Map). Louisiana Department of Highways.
1 2 3 4 5 6 7 Louisiana Department of Highways (September 1951). Louisiana Highways (Map). Louisiana Department of Highways.
↑ Special Committee on U.S. Route Numbering (October 3, 1981). "Route Numbering Committee Agenda" (PDF) (Report). Chicago, IL: American Association of State Highway and Transportation Officials. Retrieved November 5, 2015 – via Wikimedia Commons.
↑ Gallup Map and Supply (1937). Louisiana Info-Map (Map). Gulf Oil.
↑ Louisiana Tourist Bureau; H.M. Gousha Company (1939). Official Road Map of Louisiana (Map). Louisiana Tourist Bureau.
1 2 Louisiana Department of Highways (July 1956). Louisiana Highways (Map). Louisiana Department of Highways.
↑ Louisiana Department of Highways (1955). Louisiana Highways: Interim Road Map (Map). Louisiana Department of Highways.

External links

La DOTD State, District, and Parish Maps

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