| Interstate 20 | ||||
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| Route information | ||||
| Maintained by Louisiana DOTD | ||||
| Length: | 189.87 mi (305.57 km) | |||
| Existed: | 1957 (designated); 1960 (signed) – present |
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| Major junctions | ||||
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| East end: |
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| Highway system | ||||
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| Interstate 420 | |
|---|---|
| Location: | Monroe |
| Length: | 10.2 mi (16.4 km) |
| Existed: | 1950s–1964 |
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US 79 / US 80 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 167 in Ruston
US 165 in Monroe
US 425 in Rayville