If you have ever travelled on a highway, you must have noticed that the sign boards along or above the road are usually green with white text. These signs provide information related to road safety or the distance to a city. Have you ever wondered why highway sign boards are mostly green? In India, you will also see blue sign boards in many places. But why is the colour green specifically chosen? If it were linked to traffic lights, why not use yellow or red? According to a news website, a user on the social media platform TikTok explained why road sign boards are green.
According to the report, the user shared a video showcasing various road signs in the US and offered insights into their design and colours. They pointed out that signs such as “wrong way” or “stop” are crucial for ensuring immediate attention from drivers, which is why these signs are prominently displayed on red backgrounds. The user emphasised that placing such attention-demanding signs on highways could potentially distract drivers and passengers from focusing on the road.
In contrast, highway signs primarily serve the purpose of providing essential information about distances to cities and other critical navigation details. Green is chosen as the colour for highway sign boards because it is considered a tranquil and non-intrusive colour. Green helps maintain a calm and focused driving environment by blending harmoniously with natural surroundings without drawing unnecessary attention away from the road.
According to another website, the destination sign boards in India are of green colour and are specially installed on highways. According to the Allo Evolution website, the Arizona Department of Transportation of America did research on sign boards and found that green colour neither makes anyone indifferent nor distracts in any way. Green colour easily blends in with the surrounding environment.
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