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A Louisiana Highway Department gravel truck driver pauses in front of his orange-colored vehicle (1972). The new Louisiana Constitution of 1976 (adopted in 1974) and Act 83 of 1977 abolished the Departments of Highways and Public Works and restructured them into the Department of Transportation and Development (DOTD), thereby encompassing related activities such as highways, public works ...
The U.S. Highway System in Louisiana consists of 2,490.851 miles (4,008.636 km) of mainline highway routes and 107.785 miles (173.463 km) of special routes (both figures including concurrencies) that are constructed and maintained by the Louisiana Department of Transportation and Development (La DOTD). [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 ]
I-10 remains closed in both directions in Louisiana from the Texas state line to around Baton Rouge, according to the state's road conditions map. Portions of Interstate 55 are also shut down ...
The entire length of the 212-mile (341 km) road was completed May 1, 1996, when a 16.6-mile (26.7 km) section of highway in Alexandria, named the Martin Luther King Jr. Highway, was completed. The total cost of I-49's construction was about $1.38 billion (equivalent to $2.48 billion in 2023 [ 8 ] ).
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
A section of I-10, also known as the Santa Monica Freeway, was damaged and remained closed in both directions Sunday near Alameda Street in Los Angeles, a city well known for its traffic ...
The freeway east of Morgan City, bypassing Houma to the north, was originally built as Louisiana Highway 3052 (LS 3052); US 90 was shifted to it from its former alignment (now LA 182) once it was completed. US 90 replaced almost all of the Louisiana section of the San Diego–St. Augustine running Old Spanish Trail.