
Lafayette Traffic Alert: Marie Antoinette Street and Congress Street Lanes Closing This Week Near Lafayette High
LAFAYETTE, La. - If you drive near Congress Street in Lafayette, there is a road closure taking place that you will want to be aware of. Lafayette Consolidated Government (LCG) has announced the temporary closure of the southeast-bound lane of Marie Antoinette Street from Pandora Street to Congress Street from Tuesday, September 15, 2026, through Friday, September 18, 2026.

The opposing lane (the northwest-bound lane) will remain open. The westbound outside lane on Congress Street will also be closed.
Why These Lanes Are Closing: New Traffic Signal and Sidewalks
The reason for the closure? Construction crews will be installing and pouring concrete footings in preparation of a new, permanent traffic signal expected to be installed in November. It will replace the temporary signal currently in place and it will also improve pedestrian safety with dedicated crossing signals.
New sidewalks are also being constructed which should improve walkability and safety near Lafayette High School.
READ MORE: Police Establish Crime Scene After Shooting in Lafayette
Drivers should use caution in the work zone and expect delays. Please allow yourself additional travel time when navigating through the area.
Detour Routes for the Marie Antoinette and Congress Street Closures
Detour routes include:
- Pandora Street
- Mimosa Place
LCG maintains an up-to-date map regarding road closures that it's overseeing. Visit lafayettela.gov/roadclosure for the latest closure information.






