History & Status

2001 - Congress recognizes LA 1 as a “High Priority Corridor."

2004 - All environmental permits for the LA 1 Project are completed.

2006 - Construction begins on Phases 1B,1C, and 1D of the LA 1 Project - a two-lane overpass at Leeville, interchanges and toll facility

2007 - Construction begins on Phase 1A of the LA 1 Project - a two-lane elevated highway between Leeville and Port Fourchon

2011 - Entire Phase 1 of the LA 1 Project completed and new Leeville overpass and elevated highway to Port Fourchon opens to traffic.

2011 - A Department of Homeland Security study estimates up to a $7.8 billion loss of Gross Domestic Product should the 7.1-mile section of at-grade LA 1 between Golden Meadow and Leeville be impassable for 90 days. 

2014 - A study by LSU economist Dr. Loren Scott projects that for every hour one lane of LA 1 is hut down, there is a $22 million economic impact.

2018 - Construction begins on Phase 2E of the LA 1 Improvement Project.

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