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  2. Louisiana Highway 6 - Wikipedia

    en.wikipedia.org/wiki/Louisiana_Highway_6

    From the west, LA 6 begins at the Texas state line, continuing the route of Texas State Highway 21 (SH 21) midway across a bridge over the Toledo Bend Reservoir.After heading northeast into Sabine Parish, Louisiana for 2.4 miles (3.9 km), LA 6 reaches land and curves to the east for another 3.6 miles (5.8 km) where it intersects LA 191 south of Zwolle.

  3. List of Interstate Highways in Louisiana - Wikipedia

    en.wikipedia.org/wiki/List_of_Interstate...

    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 ]

  4. Interstate Highway standards - Wikipedia

    en.wikipedia.org/wiki/Interstate_Highway_standards

    Minimum lane width: The minimum lane width is 12 feet (3.7 m), identical to most US and state highways. Shoulder width: The minimum width of the left paved shoulder is 4 feet (1.2 m), and of the right paved shoulder 10 feet (3.0 m). With three or more lanes in each direction, both shoulders are to be at least 10 feet (3.0 m) wide.

  5. List of state highways in Louisiana (600–649) - Wikipedia

    en.wikipedia.org/wiki/List_of_state_highways_in...

    Louisiana Highway 647 (LA 647) ran 8.3 miles (13.4 km) in a northwest to southeast direction from LA 20 in Chackbay (shown as Chegby on maps of the time) to Sanchez Road, a local road in an area known as Choctaw. [71] LA 647 was an undivided two-lane highway for its entire length. The entire highway was in Lafourche Parish.

  6. List of state highways in Louisiana - Wikipedia

    en.wikipedia.org/wiki/List_of_state_highways_in...

    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.

  7. List of U.S. Highways in Louisiana - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._Highways_in...

    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).

  8. Louisiana Department of Transportation and Development

    en.wikipedia.org/wiki/Louisiana_Department_of...

    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 ...

  9. List of state highways in Louisiana (1–99) - Wikipedia

    en.wikipedia.org/wiki/List_of_state_highways_in...

    Louisiana Highway 50 (LA 50) runs 0.85 miles (1.37 km) in a north–south direction along Almedia Road in St. Rose, St. Charles Parish. [50]The route heads northward from an intersection with LA 48 (River Road) at the Mississippi River, crossing both the Canadian National Railway (CN) and Kansas City Southern Railway (KCS) tracks at grade, to a point on US 61 (Airline Highway) just east of an ...