Traffic facility products are part of transportation infrastructure, serving as reminders for people to adhere to traffic rules and having a significant impact on families. Moreover, there are numerous color combinations available for their use, thus influencing various aspects.

Warning colors are typically fluorescent yellow-green, alerting pedestrians and children to caution signs and general rules for traffic sign shapes. Orange or fluorescent orange is used for warning and directional signs in road operation areas. Text, graphic symbols, and the background color of some symbols are represented in black. Blue indicates instructions and compliance. Red signifies prohibition, stop, or danger. Regardless of weather conditions, people can understand and see these signs clearly. Only then can they fully fulfill their purpose.