UPDATED: LA 21 Northbound and Southbound [Left Turn Lanes onto I-12], St. Tammany Parish -- Roadwork (Closure) H.011137
Tuesday, November 25, 2025 at 1:02:16 PM
- Route Name: LA 21 Northbound,LA 21 Southbound
Start Date: Sunday, December 07, 2025 at 8:00 PM
End Date: Tuesday, December 09, 2025 at 6:00 AM
(Weather Permitting)
Closure Type: Roadwork
Lanes Affected: Partial Closure/ 2 Left Lanes
Start Cross Street: LA 21 NB/SB (BRIDGE OVERPASS I-12)
End Cross Street: LA 21 NB/SB (BRIDGE OVERPASS I-12)
Recurrence: SUN 12/7 LA 21 NB turn lane onto I-12 WB (8PM – 6AM); MON 12/8 LA 21 SB turn lane onto I-12 EB (8PM – 6AM). IMPORTANT: These closures are weather permitting. Please check the message boards for the most current accurate closure information.
Restrictions: All through lanes will remain open at all times. There will be no other vehicle restrictions and emergency vehicles will have access. Motorists may encounter a moderate delay during this time.
Open Interactive Map
Comments
Crews will be performing road construction operations. NOTE: These lane closures affect the LA 21 left turn lanes onto I-12. The ramps onto I-12 will remain open both nights.
Safety Reminder
DOTD appreciates your patience and reminds you to please drive with caution through the work zone and be on the lookout for work crews and their equipment.
Project: H.011137
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