The Interstate Highway System in Louisiana consists of
of
freeway
A controlled-access highway is a type of highway that has been designed for high-speed vehicular traffic, with all traffic flow—ingress and egress—regulated. Common English terms are freeway, motorway, and expressway. Other similar terms ...
s constructed and maintained by the
Louisiana Department of Transportation and Development
The Louisiana Department of Transportation and Development (DOTD) is a Federated state, state government organization in the United States, in charge of maintaining public transportation, roadways, bridges, canals, select levees, floodplain mana ...
(La DOTD).
The system was authorized on June 29, 1956 when
President
President most commonly refers to:
*President (corporate title)
* President (education), a leader of a college or university
*President (government title)
President may also refer to:
Arts and entertainment Film and television
*'' Præsident ...
Dwight D. Eisenhower
Dwight David "Ike" Eisenhower (born David Dwight Eisenhower; October 14, 1890 – March 28, 1969) was the 34th president of the United States, serving from 1953 to 1961. During World War II, he was Supreme Commander of the Allied Expeditionar ...
signed into law the
Federal Aid Highway Act of 1956
The Federal-Aid Highway Act of 1956, also known as the National Interstate and Defense Highways Act, was enacted on June 29, 1956, when President Dwight D. Eisenhower signed the bill into law. With an original authorization of $25 billion (e ...
.
The Louisiana Department of Highways, predecessor of the DOTD, began construction shortly afterward on its portion of the system, to which approximately was initially allotted.
The first road segment in the new system was officially opened and dedicated on February 24, 1960 and consisted of a portion of the
Pontchartrain Expressway
The Pontchartrain Expressway is a parallel six-lane section of Interstate 10 in Louisiana, Interstate 10 (I-10) and U.S. Route 90 Business (New Orleans, Louisiana), U.S. Route 90 Business (US 90 Bus.) in New Orleans, Louisiana, ...
(
I-10
Interstate 10 (I-10) is the southernmost transcontinental highway in the Interstate Highway System of the United States. It is the fourth-longest Interstate in the country at , following I-90, I-80, and I-40. It was part of the originall ...
) in
New Orleans
New Orleans (commonly known as NOLA or The Big Easy among other nicknames) is a Consolidated city-county, consolidated city-parish located along the Mississippi River in the U.S. state of Louisiana. With a population of 383,997 at the 2020 ...
.
Two months later, the first Interstate Highway shields installed in Louisiana accompanied the opening of a portion of
I-20 I20, I 20 or I-20 may refer to:
* Interstate 20, a highway in the southeastern United States
* I-20 (form), a United States government document that provides supporting information for the issuance of a student visa or change of status
* I-20 (rap ...
near
Ruston on April 23.
__TOC__
Primary interstates
Auxiliary interstates
See also
*
*
References
External links
Maps / GIS Data Homepage Louisiana Department of Transportation and Development
{{DEFAULTSORT:List Of Interstate Highways In Louisiana
Interstate
The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, or the Eisenhower Interstate System, is a network of controlled-access highways that forms part of the National H ...