As state departments of transportation increasingly stopped specifying button copy signs in favor of signs made with sheeting, it became uneconomical to maintain production of the materials and supplies for making button copy signs. The last state to specify button copy signs was Arizona, which switched to sheeting in 2000.
As state transportation departments shifted towards using sheeting for signs instead of button copy signs, it became less cost-effective to produce materials and supplies for button copy signs. Arizona was the last state to specify button copy signs, which transitioned to sheeting in 2000.