 LA 9 is an undivided two-lane highway with the exception of a undivided four-lane segment on 2nd Street in Arcadia that is concurrent with US 80.The highway is classified by the Louisiana Department of Transportation and Development (La DOTD) as a rural major collector from Campti to Homer and as a rural minor arterial from Homer to Junction City.Daily traffic volume in 2013 peaked at 6,000 vehicles in Arcadia and 5,500 in Homer.