From LA DOTD:

LA 21, Northbound and Southbound, from the LA 41 (Mile Point 23.32) to LA 16 (Mile Point 25.38), the outside/right lane and the inside/left lane in each direction will be closed separately and individually from Monday, August 20, 2012 through Monday, August 27, 2012 from 9:00 am - 4:00 pm (weather permitting).  At least one lane in each direction will remain open at all times.  This lane closure will allow crews to use a moving operation to install turnlane legend and symbols.

The road is open for regular traffic.

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