Hwy. 1088 Corridor Project

Updates: in order from newest to oldest

December 3, 2021

The first two projects to come from the LA 1088 corridor study (H.010116 - "Soult and Trinity Roundabouts" and H.012633 - "LA 1088: Forest Brook Blvd. Roundabout") are in the preliminary plan stage of project development and are scheduled to be let (bids advertised) in Q3 2023 and Q4 2024, respectively.

June 15, 2021

The Federal Highway Administration (FHWA) has issued a Finding of No Significant Impact (FONSI) which is one of the final steps of the environmental process for the 5 construction projects that will come from this study. View the signed FONSI here.

April 9, 2021

The design of the first phase of this project has been started, and has been updated to exclude the Forest Brook roundabout (pushed to Phase 2) and will only include Soult St. and Trinity Dr. with construction starting in the fall 2023.

New Phase outline:

Phase 1 - Roundabouts at Trinity Dr. and Soult St.

Phase 2 - Roundabouts at Forest Brook and an additional lane from the Mandeville Sports Complex to just past the Forest Brook roundabout

Phase 3 - Roundabouts at the LA 1088/I-12 Interchanges

Phase 4 - 4-Lane divided from Forest Brook to the I-12 Interchange

Phase 5 - Roundabouts at LA 59, Jackson St. and Spring Blvd.


June 22, 2020

The first phase of the project (roundabouts at Soult St., Trinity Dr., and Forest Brook) is given a target letting date of the 3rd quarter of 2023.

March 2, 2020

The FHWA (Federal Highway Administration) continues to review the Final Environmental Assessment Document for the Hwy. 1088 Corridor Project, but the DOTD (Department of Transportation and Development) expects their concurrence soon.

Funding has been allocated for Phase 1. This available funding must not exceed the project estimate ($11,830,00 for phase 1 construction cost - roundabouts at Forest Brook, Trinity Dr. and Soult Street). The DOTD expects construction to begin in the summer of 2023, but more information will be available after the Assessment Document is approved and the funding is clarified.

December 12, 2019


Eight total roundabouts are currently being considered on Hwy. 1088.


1. Soult St.

2. Trinity Dr.

3. Forest Brooks Blvd.

4. I-12 N.

5. I-12 S.

6. LA 59

7. Jackson St.

8. Spring Blvd.

Original Potential Construction Phases as Follows:

Phase 1- Soult St., Trinity Dr. & Forest Brooks Blvd.

Phase 2 - Roundabouts at I-12 N and I-12 S. Already 4 lane divided between Sta. 170+00 and Sta. 200+00.

Phase 3 - 4 lane divided between Sta. 140+00 and Sta. 170+00.

Phase 4 - Roundabouts at LA 59, Jackson St. and Spring Blvd, J turn at Sta. 22+00 and 2 lane divided between Sta. 8+00 and 80+00.

Phase I will be funded in SFY* 2023-SFY* 2024. The remaining Phases will follow when funding becomes available.

*State Fiscal Year

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