Interstate 20 in Louisiana

Interstate 420
Location	Monroe
Length	10.2 mi[3] (16.4 km)
Existed	1950s–1964

Interstate 20
	I-20 highlighted in red
Route information
	Maintained by Louisiana DOTD
Length	189.844 mi[1][lower-alpha 1] (305.524 km)
Existed	1960–present
Major junctions
West end	I-20 at Texas state line west of Greenwood, LA
	US 79 in Greenwood; I-220 / LA 3132 in Shreveport; I-49 in Shreveport; US 71 in Shreveport–Bossier City; I-220 in Bossier City; US 371 in Minden; US 63 / US 167 in Ruston; US 165 in Monroe; US 425 in Rayville; US 65 in Tallulah;
East end	I-20 / US 80 at Mississippi state line west of Vicksburg, MS
Location
Parishes	Caddo, Bossier, Webster, Bienville, Lincoln, Ouachita, Richland, Madison
Highway system

Interstate 20 (I-20) is a part of the Interstate Highway System that spans 1,539.38 miles (2,477.39 km)[2] from Reeves County, Texas to Florence, South Carolina. Within the state of Louisiana, the highway travels 189.84 miles (305.52 km)[1] from the Texas state line west of Greenwood to the Mississippi River, which it crosses into Vicksburg, Mississippi.

I-20 traverses the northern portion of the state, serving the metropolitan areas of Shreveport–Bossier City and Monroe, as well as the smaller cities of Minden and Ruston. It entirely parallels the older U.S. Highway 80 (US 80) corridor through Louisiana. The route is mirrored by I-10, which traverses the southern portion of the state. The two are connected by I-49, the state's major north–south interstate highway.

Route description

Texas state line to Shreveport (Interstate 49)

Interstate 20 enters Louisiana about 20 miles east of Marshall, Texas, near Waskom. Interstate 20 passes through Greenwood to the north of town, where US 80/ 79 serve as the main east-west highway. I-20 enters Shreveport about 5 miles east of Greenwood. I-20 intersects I-220 (the north Shreveport bypass) and Hwy 3132 (the south Shreveport bypass) on the westside of the city. On the way to Downtown Shreveport, I-20 intersects US 171 and serves as the current northern terminus of I-49.

Shreveport to Monroe

As I-20 leaves Shreveport, it passes through Bossier City where it shares an overlap with US 71. I-20 passes north of Barksdale AFB where it intersects I-220 and heads east towards Monroe. On its way to Monroe, I-20 traverses mainly rural, hilly terrain as it passes through the towns of Minden, Arcadia, Grambling, Ruston, and West Monroe.

Monroe to Mississippi state line

I-20 passes through Monroe, where it intersects US 165. East of Monroe, I-20 enters flatter terrain as it passes through Rayville, Delhi, and Tallulah. About 15 miles east of Tallulah, I-20 crosses over the Mississippi River into Mississippi in Vicksburg.

Exit list

Parish	Location	mi[1]	km	Exit	Destinations	Notes
Caddo		0.000	0.000		I-20 west – Dallas	Continuation in Texas
		0.039	0.063	Texas Travel Information Center (westbound exit within Louisiana)
	Greenwood	2.292– 2.928	3.689– 4.712	Greenwood Rest Area & Visitor's Center (eastbound only)
		3.592– 4.085	5.781– 6.574	3	US 79 south – Carthage, Texas LA 169 – Mooringsport
		5.368– 5.894	8.639– 9.485	5	US 79 north / US 80 – Greenwood
	Shreveport	8.370– 8.886	13.470– 14.301	8	US 80 LA 526 east (Industrial Loop)	Location also known as Flournoy; US 80 signed westbound only
		10.272– 10.959	16.531– 17.637	10	Pines Road	To Louisiana Baptist University
		11.349– 12.295	18.264– 19.787	11	I-220 east (By-Pass) LA 3132 east (Inner Loop Expressway) – To Alexandria	Western terminus of I-220 and LA 3132 (exits 1B–C on both); Alexandria signed eastbound only
		12.749– 13.180	20.518– 21.211	13	Monkhouse Drive	To Shreveport Regional Airport
		14.670– 15.053	23.609– 24.225	14	Jewella Avenue	To State Fair Grounds and Louisiana State Exhibit Museum (signed eastbound)
		15.824– 16.224	25.466– 26.110	16A	US 171 (Hearne Avenue)	To State Fair Grounds and Louisiana State Exhibit Museum (signed westbound)
		16.403– 16.761	26.398– 26.974	16B	US 79 / US 80 (Greenwood Road)	To Willis-Knighton Medical Center
		16.850– 17.972	27.117– 28.923	17A	Lakeshore Drive, Linwood Avenue	To LSU Medical Center and Cross Lake
		17.236– 18.167	27.739– 29.237	17B	I-49 south – Alexandria	Exit 206 on I-49; northern end of open I-49 segment
		18.260– 18.752	29.387– 30.178	18A	Common Street, Line Avenue	Westbound exit via exit 18D
		18.475– 18.752	29.733– 30.178	18C	Fairfield Avenue	Eastbound entrance and westbound exit
		18.907	30.428	18D	Common Street, Louisiana Avenue	Westbound exit only (other movements via exit 18A)
		18.506– 19.367	29.783– 31.168	19A	US 71 / LA 1 north (Spring Street) LA 1 south (Market Street)	Western end of US 71 concurrency; to Shreveport Riverfront Convention Center and VA Medical Center
Red River		19.394– 19.655	31.212– 31.632	Red River Bridge (Purple Heart Recipients Highway)
Bossier	Bossier City	19.551– 19.995	31.464– 32.179	19B	Traffic Street	To Louisiana Boardwalk
		19.995– 20.373	32.179– 32.787	20A	Hamilton Road, DiamondJacks Boulevard	To CenturyLink Center
		20.509– 20.651	33.006– 33.235	20B 20C	LA 3 (Benton Road) US 71 south (Barksdale Boulevard)	Eastern end of US 71 concurrency; southern terminus of LA 3; eastbound exit and westbound entrance
		21.110– 21.554	33.973– 34.688	21	LA 72 (Old Minden Road) To US 71 south (westbound only)	To Convention Complex
		22.006– 22.425	35.415– 36.090	22	Airline Drive	Airline Drive is LA 3105 (not signed)
		23.426– 24.007	37.700– 38.636	23	Industrial Drive – Barksdale AFB	Industrial Drive is LA 782-2 (not signed)
		25.870– 26.939	41.634– 43.354	26	I-220 west (By-Pass)	Eastern terminus of I-220; exit 17B on I-220
	Haughton	32.872– 33.602	52.902– 54.077	33	LA 157 – Haughton, Fillmore
Webster		38.438– 39.165	61.860– 63.030	38	Goodwill Road – Camp Minden	Goodwill Road is Parish Road 117
	Dixie Inn	44.164– 44.663	71.075– 71.878	44	US 371 north – Cotton Valley, Springhill	Western end of US 371 concurrency
	Minden	46.697– 47.322	75.152– 76.157	47	US 371 south – Sibley LA 159 north – Minden	Eastern end of US 371 concurrency; southern terminus of LA 159
	Minden	49.470– 50.017	79.614– 80.495	49	LA 531 – Minden, Dubberly
		52.173– 52.592	83.964– 84.639	52	LA 532 to US 80 – Dubberly
Bienville		54.833– 55.324	88.245– 89.035	55	US 80 – Ada, Taylor
		60.846– 61.461	97.922– 98.912	61	LA 154 – Gibsland, Athens
		67.145– 67.726	108.059– 108.994	67	LA 9 – Arcadia, Homer	To Lake Claiborne State Park
	Arcadia	69.455– 69.907	111.777– 112.504	69	LA 151 – Arcadia, Dubach
Lincoln		76.633– 77.213	123.329– 124.262	77	LA 507 – Simsboro	Northern terminus of LA 507
		77.776– 78.453	125.168– 126.258	78	LA 563 – Industry	To Simsboro via LA 563 south
	Grambling	80.982– 81.666	130.328– 131.429	81	LA 149 – Grambling	Northern terminus of LA 149; to Grambling State University
	Ruston	83.413	134.240	83	Tarbutton Road	Opened June 25, 2020.
		84.500– 85.069	135.990– 136.905	84	LA 544 – Ruston	To Louisiana Tech University
		85.408– 86.002	137.451– 138.407	85	US 167 – Ruston, Dubach	US 167 is concurrent with US 63 and LA 146 (not signed); southern terminus of US 63
		86.556– 87.281	139.298– 140.465	86	LA 33 – Ruston, Farmerville	To Lake D'Arbonne State Park
	Choudrant	92.910– 93.439	149.524– 150.375	93	LA 145 – Choudrant, Sibley	To Jimmie Davis State Park
		94.925– 95.851	152.767– 154.257	Tremont Eastbound Rest Area (eastbound only)
		96.514– 97.309	155.324– 156.604	Tremont Westbound Rest Area (westbound only)
Ouachita		101.535– 102.137	163.405– 164.374	101	LA 151 – Calhoun, Downsville
		103.484– 104.267	166.541– 167.801	103	US 80 – Calhoun
		107.010– 107.845	172.216– 173.560	107	PR 25 (Camp Road)
	Cheniere	108.464– 109.087	174.556– 175.559	108	LA 546 to US 80 – Cheniere
	West Monroe	111.660– 112.235	179.699– 180.625	112	Well Road	Well Road is LA 3249 (not signed)
		112.399– 112.988	180.889– 181.837	113	Downing Pines Road	To Hamilton Expo Center and Well Road
		113.667– 114.418	182.929– 184.138	114	LA 617 (Thomas Road)
		114.959– 115.744	185.009– 186.272	115	LA 34 (Stella Street, Mill Street)	To West Monroe Historic & Business District
		115.828– 116.491	186.407– 187.474	116A	Fifth Street
	West Monroe–Monroe line	115.672– 117.482	186.156– 189.069	World War II Memorial Bridge over Ouachita River
	Monroe	116.533– 116.614	187.542– 187.672	116B	US 165 Bus. / LA 15 Jackson Street – Civic Center	Eastbound exit and westbound entrance
		116.614– 116.829	187.672– 188.018	117A	Hall Street	Eastbound exit and westbound entrance
		116.859– 117.467	188.066– 189.045	117C	US 165 Bus. / LA 15 – Civic Center	Eastbound exit via exit 116B
		117.120– 117.250	188.486– 188.696	117D	South Second Street, Layton Avenue	Eastbound entrance and westbound exit (other movements via exit 116B)
		117.558– 118.111	189.191– 190.081	117B	LA 594 (Texas Avenue) / 18th Street
		118.356– 119.151	190.476– 191.755	118	US 165 – Bastrop, Columbia	Signed westbound as exit 118A (south) and 118B (north); to University of Louisiana Monroe
		119.205	191.842	–	Pecanland Mall Drive	Westbound entrance only (further access via exit 120)
		119.833– 120.771	192.853– 194.362	120	Pecanland Mall Drive Garrett Road – Monroe Airport	Eastbound exit only to Pecanland Mall, complete access to Garrett Road
	Millhaven	123.716– 124.605	199.102– 200.532	124	LA 594 – Millhaven	To Russell Sage Wildlife Area
Richland	Start	131.506– 132.135	211.638– 212.651	132	LA 133 – Start, Columbia
	Rayville	137.639– 137.934	221.508– 221.983	138	US 425 – Rayville, Archibald	To Winnsboro via US 425 south
		141.241– 141.937	227.305– 228.425	141	LA 583 (Bee Bayou Road)	Southern terminus of LA 583
		145.275– 145.939	233.797– 234.866	145	LA 183 / PR 202 – Holly Ridge	Southern terminus of LA 183
		147.955– 148.725	238.110– 239.350	148	LA 609 – Dunn
	Delhi	153.137– 153.860	246.450– 247.614	153	LA 17 – Delhi, Winnsboro
Madison		157.574– 158.322	253.591– 254.795	157	LA 577 – Waverly
	Tallulah	170.960– 171.523	275.133– 276.040	171	US 65 – Tallulah, Vidalia
	Richmond	172.632– 173.367	277.824– 279.007	173	LA 602-1 – Richmond	Southern terminus of LA 602-1
	Mound	182.355– 182.787	293.472– 294.167	182	LA 602-2 – Mound	Southern terminus of LA 602-2
	Delta	183.941– 184.865	296.024– 297.511	Mound Rest Area & Visitor's Center (westbound only)
	Delta	185.780– 186.440	298.984– 300.046	186	US 80 west / LA 3218 – Delta	Western end of US 80 concurrency
Mississippi River		187.763– 189.844	302.175– 305.524	Vicksburg Bridge
Mississippi River		187.763– 189.844	302.175– 305.524		I-20 / US 80 east – Vicksburg	Continuation in Mississippi
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus Incomplete access

Related routes

Interstate 420 was to be a bypass of Monroe, Louisiana. Initially proposed in the late 1950s, this route was to have been only two lanes wide at a cost $29 million with a projected 2,500 to 3,000 ADT in 1964.[3] The project was effectively canceled on October 12, 1964, when then Louisiana Representative Hale Boggs agreed to no longer seek funding for the route. This was done in favor of focusing all efforts at funding and getting built New Orleans' Vieux Carré Expressway.[3]

Notes

For the federal government's purposes, the Federal Highway Administration lists Louisiana's portion of I-20 as 189.87 miles (305.57 km) in length.[2]

References

Louisiana Department of Transportation and Development, Highway Inventory Unit (2016). "LRS Conversion Tool". Louisiana Department of Transportation and Development. Retrieved July 30, 2017.
"FHWA Route Log and Finder List / Table 1: Main Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways as of December 31, 2016". Federal Highway Administration. February 22, 2017. Retrieved July 30, 2017.
Weingroff, Richard (April 7, 2011). "The Second Battle of New Orleans: Vieux Carré Riverfront Expressway (I-310)". Highway History. Federal Highway Administration. Retrieved September 14, 2011.

External links

Maps / GIS Data Homepage, Louisiana Department of Transportation and Development

Interstate 20
Previous state: Texas	Louisiana	Next state: Mississippi

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[3] For the federal government's purposes, the Federal Highway Administration lists Louisiana's portion of I-20 as 189.87 miles (305.57 km) in length.[2]

[LRS_2016-1] Louisiana Department of Transportation and Development, Highway Inventory Unit (2016). "LRS Conversion Tool". Louisiana Department of Transportation and Development. Retrieved July 30, 2017.

[FHWA-2] "FHWA Route Log and Finder List / Table 1: Main Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways as of December 31, 2016". Federal Highway Administration. February 22, 2017. Retrieved July 30, 2017.

[Interstate-4] Weingroff, Richard (April 7, 2011). "The Second Battle of New Orleans: Vieux Carré Riverfront Expressway (I-310)". Highway History. Federal Highway Administration. Retrieved September 14, 2011.