Traffic signs are a system of means, devices and signs for regulating and guiding traffic. Vertical signs represent a set of specially coded signs intended for road users, which, in relation to the road surface, are located in a vertical plane, while horizontal signs represent a set of specially designed geometric elements of lines, figures, fields and inscriptions that form signs on the road surfaces of the Sarajevo Canton. All road communications within the Sarajevo Canton contain legally prescribed and based on the Regulation on the Maintenance of Public Roads (Official Gazette of the Federation of Bosnia and Herzegovina, No. 69/10) installed and maintained traffic vertical and horizontal signs.