Unipoles are a snippet space-saving-billboards. They are billboards mounted on a pole, so that a lot of ground space is saved. A sturdy structure is however required for stability. A careful study of windload and other factors needs to be carried out before planning a unipole.

Advantages : Saves a whole lot of space compared to conventional hoardings

Disadvantages : Much expensive than conventional hoardings, Governmental permissions, natural factors like wind.