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).
Louisiana Highway X Alternate (LA X Alt.); Louisiana Highway X Business (LA X Bus.); Louisiana Highway X Bypass (LA X Byp.); Louisiana Highway X Spur (LA X Spur); Louisiana Highway X Truck (LA X Truck)
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. This marker is located on LA 21 between Covington and I-12.
Was SR 675 and Route C-1384 before 1955; originally ran from US 90/US 167 to LA 94, but the section from Simcoe and Surrey Streets to US 90/US 167 became US 167 around 1964; extended to LA 98 (replacing LA 728-1) in 2009
Originally ran to US 61, but shortened to a rail line in 1957; shortened again in 1984 due to LA 3139 extension; section north of the rail line became LA 3261 in 2002
Louisiana Department of Transportation and Development, Highway Inventory Unit (2016). "LRS Conversion Tool". Louisiana Department of Transportation and Development. Retrieved February 7, 2018.
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