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  2. 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 ]

  3. Interstate Highway System - Wikipedia

    en.wikipedia.org/wiki/Interstate_Highway_System

    The Pershing Map FDR's hand-drawn map from 1938. The United States government's efforts to construct a national network of highways began on an ad hoc basis with the passage of the Federal Aid Road Act of 1916, which provided $75 million over a five-year period for matching funds to the states for the construction and improvement of highways. [8]

  4. Category:Interstate Highways in Louisiana - Wikipedia

    en.wikipedia.org/wiki/Category:Interstate...

    Interstate 110 (Louisiana) Interstate 210 (Louisiana) Interstate 310 (Louisiana) Interstate 410 (Baton Rouge, Louisiana) Interstate 410 (New Orleans, Louisiana) Interstate 410 (Louisiana 1955) Interstate 410 (Louisiana 1960) Interstate 410 (Louisiana 1969) Interstate 510; Interstate 610 (Louisiana) Interstate 910; Interstate 12; Interstate 20 ...

  5. List of Interstate Highways - Wikipedia

    en.wikipedia.org/wiki/List_of_Interstate_Highways

    There are 71 primary Interstate Highways in the Interstate Highway System, a network of freeways in the United States. These primary highways are assigned one- or two-digit route numbers, whereas their associated auxiliary Interstate Highways receive three-digit route numbers. Typically, even-numbered Interstates run east–west, with lower ...

  6. Interstate 10 in Louisiana - Wikipedia

    en.wikipedia.org/wiki/Interstate_10_in_Louisiana

    By the beginning of planning for the Interstate Highway System in 1939 (then called the Interregional Highway System), the Houston–New Orleans–Mobile corridor was part of the system. Preliminary plans took it along US 90 all the way through Louisiana, serving Lake Charles and Lafayette but not Baton Rouge. [4]

  7. List of Louisiana Scenic Byways - Wikipedia

    en.wikipedia.org/wiki/List_of_Louisiana_Scenic...

    The Louisiana Scenic Byways are a network of roadways within the U.S. state of Louisiana that have been deemed of cultural, historical, or scenic value. The routes follow various segments of the state-maintained highway system, usually rural in character, and are mostly located in the central and southern areas of the state.

  8. List of state highways in Louisiana - Wikipedia

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

    Since 2008, La DOTD has been replacing the green-and-white state highway markers with a black-and-white version using the same design. [2] The new shields have a black background, white silhouette, black letters and numbers, and no frame outline (see photo below for comparison). Highway names; State: Louisiana Highway X (LA X) Special routes:

  9. Interstate 49 - Wikipedia

    en.wikipedia.org/wiki/Interstate_49

    Interstate 49 (I-49) is a north–south Interstate Highway with multiple segments. The original portion is entirely within Louisiana with an additional signed portion extending from I-220 in Shreveport to the Arkansas state line, three newer sections are in Arkansas, and one section in Missouri .