Signal Works Ahead Aluminium Metal SignThis is a sign only for swing stands. This sign comes with pre drilled holes to attached with swing stand. We also sell swing stand with sign, and swing stand without sign. If you want swing stand with sign, Please click here If you want swing stand without sign, Please click here The Signal Works Ahead sign is a traffic warning sign that tells drivers they are approaching an area where traffic lights or signals are being repaired or are temporarily