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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]
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]
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 heaviest traffic on I-49 occurs within the cities of Shreveport and Opelousas. The stretch of freeway in Shreveport sees an average of 70,000 vehicles per day, while the stretch of freeway between Lafayette and Carencro sees an average of 55,000 vehicles per day, and the stretch of freeway through Opelousas sees an average of 45,000 ...
US 51 Bus. is classified by the Louisiana Department of Transportation and Development (La DOTD) as an urban minor arterial in Ponchatoula and as an urban principal arterial in Hammond. The average daily traffic volume in 2013 was reported as reaching peaks of 28,000 and 31,500 vehicles in Ponchatoula and Hammond, respectively.
2008-style state highway marker on eastbound LA 1064 in Natalbany. After months of posting the black-and-white shields without a line border, La DOTD began posting some state shields with a white border, as in this photo taken on January 14, 2010.
Interstate 20 (I-20) is a part of the Interstate Highway System that spans 1,539.38 miles (2,477.39 km) from Reeves County, Texas, to Florence, South Carolina. [2] Within the state of Louisiana, the highway travels 189.84 miles (305.52 km) from the Texas state line west of Greenwood to the Mississippi River, [1] which it crosses into Vicksburg, Mississippi.