Turn Island Supplementary Plate T-35: It is used together with the Go from both directions sign in order to reduce the possibility of hitting the physical nose on the sections with deceleration strips on the turn islands.
The Return Island Supplementary Plate has the shape and dimensions defined by the General Directorate of Highways. Holes are drilled in accordance with the omega pole. It withstands harsh weather conditions for many years and does not lose its colors. It is resistant to UV rays. Thanks to its reflective feature, it is easily noticed in the dark. It reduces accidents. It helps to ensure road safety day and night.