Louisiana Highway 1
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Route of LA 1 in red
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| Route information | ||||
| Maintained by Louisiana DOTD | ||||
| Length: | 432.2 mi (695.6 km) | |||
| Existed: | 1955 renumbering – present | |||
| Major junctions | ||||
| South end: | Dead end at Bayou Rigaud in Grand Isle | |||
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 US 71 north of Shreveport |
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| North end: |
 SH 77 at Texas state line northwest of Rodessa
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| Location | ||||
| Parishes: | Jefferson, Lafourche, Assumption, Ascension, Iberville, West Baton Rouge, Pointe Coupee, Avoyelles, Rapides, , Red River, Caddo | |||
| Highway system | ||||
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→
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| Location: | Natchitoches |
| Length: | 4.8 mi (7.7 km) |
| Existed: | 1975–present |
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| Location: | New Roads |
| Length: | 4.9 mi (7.9 km) |
| Existed: | 2010–present |
.svg)
US 90 in Raceland
I-10 in Port Allen
US 190 north of Port Allen
I-49 / US 167 in Alexandria
US 71 / US 165 in AlexandriaI-49 east of Boyce
US 84 / US 371 west of CoushattaUS 84 in Grand Bayou
I-20 / US 71 / US 80 / I-220 in ShreveportI-49 north of Shreveport
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Wikipedia