The following is the procedure for changing or fixing existing street signs and traffic flow:
To add, remove, replace or alter existing traffic signs or to alter traffic flow patterns contact:
City of New Orleans Traffic Division
Department of Public Works
New Orleans City Hall
Office # 6W03
New Orleans, LA 70112
(504) 658-8040
Allen Urle, Engineer
Elmer Darwin, Chief Traffic Engineer
http://cityofno.com/Portals/Portal30/portal.aspx