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Louisiana State Route 53 ran 3.6 miles (5.8 km) in a north–south direction from State Route 1 in LaPlace to the junction of State Route 33 and State Route 1141 in Frenier, St. John the Baptist Parish. Most of the route was concurrent with US 51. [3]
The Interstate Highway System in Louisiana consists of 933.84 miles (1,502.87 km) [4] of freeways constructed and maintained by the Louisiana Department of Transportation and Development (La DOTD). The system was authorized on June 29, 1956 when President Dwight D. Eisenhower signed into law the Federal Aid Highway Act of 1956 . [ 1 ]
Louisiana State Route 8 ran 36.2 miles (58.3 km) in a north–south direction from US 71/SR 55 north of Shreveport to the Texas state line northwest of Rodessa. The route became the northernmost of LA 1 in the 1955 Louisiana Highway renumbering .
Louisiana's state highway system ranks 10th nationally as a proportion of all road miles in the state [citation needed]. The 1955 renumbering renumbered all routes based on an A-B-C system of route classification: A was primary, B secondary, and C farm-to-market.
The following is a list of state highways in the U.S. state of Louisiana designated in prior to the 1955 Louisiana Highway renumbering. All were part of the original 98 state highways authorized by the state legislature in 1921. [1]
Louisiana Highway 5 (LA 5) is a state highway located in DeSoto Parish, Louisiana. It runs 28.36 miles (45.64 km) in a general southwest to northeast direction from U.S. Highway 84 (US 84) in Logansport to LA 175 in Kingston .
Longest highway in Louisiana. LA 2: 189.490: 304.955 SH 49 west of Trees at the Texas state line: US 65 north of Lake Providence: 1955: current LA 3: 35.705: 57.462 I-20, US 71, and LA 72 in Bossier City: AR 29 at the Arkansas state line north of Plain Dealing: 1955: current LA 4: 164.537: 264.797 US 71 north of Loggy Bayou: LA 605 in Newellton
U.S. 371 is an afterthought in the federal highway system. Within Louisiana it was merely the 1990s renumbering and re-signing of the post-1955 Louisiana Highway 7 north of US 71, which after the 1990s change ceased to exist as a number for a state highway in Louisiana.