Interstate 12

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Interstate 12 marker

Interstate 12
Republic of West Florida Parkway
I-12 highlighted in red
Route information
Maintained by Louisiana DOTD
Length86.653 mi[1][a] (139.454 km)
Major junctions
West end I-10 in Baton Rouge
East end I-10 / I-59 in Slidell
ParishesEast Baton Rouge, Livingston, Tangipahoa, St. Tammany
Highway system
  • Louisiana Highway System
US 11LA 12

Interstate 12 is a 85.59 miles (137.74 km) long Interstate Highway in Louisiana, connecting Interstate 10 at each end. It goes from Baton Rouge to Slidell.

References[change | change source]

  1. "La DOTD GIS Data". Louisiana Department of Transportation and Development. September 2015. Retrieved May 23, 2017.
  2. "FHWA Route Log and Finder List / Table 1: Main Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways as of December 31, 2016". Federal Highway Administration. February 22, 2017. Retrieved May 23, 2017.


  1. For the federal government's purposes, the Federal Highway Administration lists I-12 as 85.59 miles (137.74 km) in length.[2]

KML is from Wikidata