What Does Yellow Traffic Signs Mean

- May 30, 2018-

Yellow traffic sign means warning.

After many studies, the psychologist concluded that for the smaller optotype, the red is best in visibility, seductiveness and recognizability, and for the larger optotype, the yellow one is Sex, attraction and recognition are the best. Therefore, red and yellow are used for traffic control and prohibition and warning signs (signals). In addition, because of the best readability of blue, the indications and guide signs in traffic signs are often white on a blue background so that the driver can quickly read out the meanings indicated in the signs to ensure driving safety.