Interstate 20 | ||||
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Route information | ||||
Maintained by Louisiana DOTD | ||||
Length: | 189 mi (304 km) | |||
Existed: | 1959 – present | |||
Major junctions | ||||
West end: | I-20 at the Texas line | |||
I-220 in Shreveport I-49 in Shreveport I-220 in Bossier City |
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East end: | I-20 at the Mississippi River/Mississippi line | |||
Highway system | ||||
Main route of the Interstate Highway System
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In Louisiana, Interstate 20 roughly parallels U.S. 80 through the northern part of the state.
Entering the state from near Waskom, Texas, the highway immediately enters the Shreveport-Bossier City metropolitan area, intersecting Interstate 49 near downtown Shreveport and passing close to Barksdale Air Force Base in Bossier city.
From that area, the highway traverses mainly rural, hilly terrain, bypassing Minden, Ruston and Grambling before reaching Monroe.
From Monroe, I-20 enters flatter terrain as it approaches the Mississippi River. Before crossing the Mississippi, the highway passes Tallulah. At the Mississippi River, I-20 leaves Louisiana and enters Vicksburg, Mississippi.
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Interstate 20 enters Louisiana about 20 miles east of Marshall. 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 eastside of the city. On the way to Downtown Shreveport, I-20 intersects US 171 and serves as the current northern terminus of I-49.
As I-20 leaves Shreveport, it passes through Bossier City where it shares a 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 passes through the towns of Minden, Arcadia, Grambling, Ruston, and West Monroe.
I-20 passes through Monroe, where it intersects US 165. East of Monroe, I-20 passes through Rayville, Delhi, and Tullulah. About 15 miles east of Tallulah, I-20 crosses over the Mississippi River into Mississippi in Vicksburg.
Parish | Location | # | Destinations | Notes |
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Caddo | Greenwood | 3 | LA 169 to US 79 south – Mooringsport, Carthage | |
5 | US 79 / US 80 – Greenwood | |||
Shreveport | 8 | US 79 / US 80 / LA 526 (Industrial Loop) | ||
10 | Pines Road | |||
11 | I-220 / LA 3132 east (Inner Loop Expressway) – Alexandria | |||
13 | Monkhouse Drive – Shreveport Regional Airport | |||
14 | Jewella Avenue – State Fair Grounds | |||
16A | US 171 (Hearne Avenue) – State Fair Grounds | |||
16B | US 79 / US 80 (Greenwood Road) | |||
17A | Lakeshore Drive, Linwood Avenue | |||
17B | I-49 south – Alexandria | |||
18C | Fairfield Avenue | Westbound exit and eastbound entrance | ||
18A | Common Street, Line Avenue | Westbound exit is via exit 18D | ||
18D | Louisiana Avenue | Westbound exit and eastbound entrance | ||
19A | US 71 north / LA 1 (Market Street, Spring Street) | West end of US 71 overlap | ||
Bossier | Bossier City | 19B | Traffic Street | |
20A | Hamilton Road, Isle of Capri Boulevard | |||
20B | LA 3 (Benton Road) | Eastbound exit and westbound entrance | ||
20C | US 71 south (Barksdale Boulevard) | East end of US 71 overlap; westbound exit is via exit 21 | ||
21 | LA 72 (Old Minden Road) | |||
22 | Airline Drive – Barksdale AFB | |||
23 | Industrial Drive | |||
26 | I-220 west | |||
33 | LA 157 – Haughton, Fillmore | |||
Webster | 38 | Goodwill Road | ||
Dixie Inn | 44 | US 371 north – Cotton Valley, Springhill | West end of US 371 overlap | |
Minden | 47 | US 371 south / LA 159 north – Minden, Sibley | East end of US 371 overlap | |
49 | LA 531 – Minden, Dubberly | |||
52 | LA 532 to US 80 – Dubberly | |||
Bienville | 55 | US 80 – Ada, Taylor | ||
61 | LA 154 – Athens, Gibsland | |||
67 | LA 9 – Homer, Arcadia | |||
Arcadia | 69 | LA 151 – Dubach, Arcadia | ||
Lincoln | 77 | LA 507 – Simsboro | ||
78 | LA 563 – Industry | |||
Grambling | 81 | LA 149 – Grambling | ||
Ruston | 84 | LA 544 – Ruston | ||
85 | US 167 – Dubach, Ruston | |||
86 | LA 33 – Farmerville, Ruston | |||
Choudrant | 93 | LA 145 – Sibley, Choudrant | ||
Ouachita | 101 | LA 151 – Calhoun, Downsville | ||
103 | US 80 – Calhoun | |||
107 | Camp Road | |||
108 | LA 546 to US 80 – Cheniere | |||
112 | Well Road | |||
West Monroe | 113 | Downing Pines Road | Eastbound exit and entrance | |
114 | LA 617 (Thomas Road) | |||
115 | LA 34 (Stella Street, Mill Street) | |||
116A | 5th Street | |||
Monroe | 116B | Jackson Street | Eastbound exit and westbound entrance | |
117D | South 2nd Street, Layton Avenue | Westbound exit and eastbound entrance | ||
117A | Hall Street | Eastbound exit and westbound entrance | ||
117C | US 165 Bus. / LA 15 – Monroe Civic Center |
Eastbound exit is via exit 116B | ||
117B | LA 594 (Texas Avenue) | |||
118 | US 165 – Columbia, Bastrop | Signed as exits 118A (south) and 118B (north) | ||
120 | Garrett Road – Monroe Regional Airport | |||
124 | LA 594 – Millhaven | |||
Richland | 132 | LA 133 – Columbia, Start | ||
Rayville | 138 | US 425 – Rayville, Archibald | ||
143 | LA 583 (Bee Bayou Road) | |||
145 | LA 183 / PR 202 – Holly Ridge | |||
148 | LA 609 – Dunn | |||
Delhi | 153 | LA 17 – Winnsboro, Delhi | ||
Madison | 157 | LA 577 – Waverly | ||
Tallulah | 171 | US 65 – Vidalia, Tallulah | ||
173 | LA 602 – Richmond | |||
182 | LA 602 – Mound | |||
186 | US 80 / PR 193 – Delta | West end of US 80 overlap | ||
Delta | Vicksburg Bridge over the Mississippi River |
Interstate 420 | |
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Location: | Monroe |
Length: | 10.2 mi[1] (16.4 km) |
Existed: | 1950s–1964 |
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.[1] 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.[1]
Interstate 20 | ||
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Previous state: Texas |
Louisiana | Next state: Mississippi |
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