Going hand in hand with traffic poles are sign structures that are designed to reliably support various traffic, road, and geographical signs, such as those that indicate directions for drivers on highways. Used to control the flow of traffic on highways and ensure that road users arrive at their destination safely and promptly, these tubular steel poles are designed to support various sign structures, such as toll gantries, single arm cantilevers, cantilevers with decorative lights, toll booth ferries, DMS signs, and monotube signs, among others.