Louisiana Highway 3046
highway in Louisiana

Louisiana Highway 3046 (LA 3046) is a state highway in Louisiana that serves Jefferson Parish. It spans 1.0 mile (1.6 km) in a south to north direction. It is known locally as Causeway Boulevard.
Route description
From the south, LA 3046 begins in Jefferson at an interchange with U.S. 90 (Jefferson Highway). It heads north and immediately becomes elevated to cross several railroad tracks and LA 3139 (Earhart Expressway). LA 3046 ends at a multi-level traffic circle interchange with U.S. 61 (Airline Drive) in Metairie. Causeway Boulevard continues northward through Metairie to I-10 (Exit 228) and ultimately the Lake Pontchartrain Causeway.
LA 3046 is a divided, four-lane highway for its entire length.
History
LA 3046 began as part of the Greater New Orleans Expressway, a 1950s project to transform the century-old Harlem Avenue right-of-way into a multilane highway connecting U.S. 90 (Jefferson Highway), U.S. 61 (Airline Highway, now Drive), and Veterans Memorial Highway (now Boulevard) to the Lake Pontchartrain Causeway then under construction. Harlem Avenue would be renamed Causeway Boulevard.
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This entry incorporates text from “Louisiana Highway 3046” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.