Road Closure: LA 18 (River Road) between LA 3142 and LA 3141 (St. Charles Parish)

Published 8:32 am Tuesday, December 28, 2021

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LA 18 (River Road), between LA 3142 and LA 3141, at the Occidental Chemical plant, in Hahnville – total closure on Tuesday, December 28, 2021 and Wednesday, December 29, 2021, from 8:00 AM and 4:30 PM; for removing the 48” water pipeline in overhead pipe rack.

Detour – LA 3141 and LA 3142

Safety Reminder:

DOTD appreciates your patience and reminds you to please drive with caution through the site and be on the lookout for work crews and their equipment.

Additional Information:

Call 511 or visit for additional information. Out-of-state travelers may call 1-888-ROAD-511 (1-888-762-3511).

Motorists may also monitor the LA DOTD website at, by selecting MYDOTD, or by visiting the DOTD Facebook and Twitter pages.