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 | |||
US 90 in Raceland |
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North end: | SH 77 at Texas state line northwest of Rodessa | |||
Location | ||||
Parishes: | Jefferson, Lafourche, Assumption, Ascension, Iberville, West Baton Rouge, Pointe Coupee, Avoyelles, Rapides, , Red River, Caddo | |||
Highway system | ||||
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Louisiana Highway 1 Business |
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Location: | Natchitoches |
Length: | 4.8 mi (7.7 km) |
Existed: | 1975–present |
Louisiana Highway 1 Business |
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Location: | New Roads |
Length: | 4.9 mi (7.9 km) |
Existed: | 2010–present |
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 Alexandria
I-49 east of Boyce
US 84 / US 371 west of Coushatta
US 84 in Grand Bayou
I-20 / US 71 / US 80 / I-220 in Shreveport
I-49 north of Shreveport