You would wonder why this bridge was painted yellow but after researching the colour yellow we have discovered the following interesting facts.
In some countries, taxicabs are commonly yellow. This practice began in Chicago, where taxi entrepreneur John D. Hertz painted his taxis yellow based on a University of Chicago study alleging that yellow is the color most easily seen at a distance.
In Canada and the United States, school buses are almost uniformly painted a yellow color (often referred to as "school bus yellow") for purposes of visibility and safety.
"Caterpillar yellow" and "high-visibility yellow" are used for highway construction equipment.
In the rules of the road, yellow (called "amber" in Britain) is a traffic light signal warning that the period in which passage is permitted is coming to an end.
Yellow warning signs, especially with black wording, borders, or alternating stripes, are used in many countries around the world to indicate caution, both as road signs and for other uses such as "caution, slippery floor".
Several light rail and rapid transit lines on various public transportation have a Yellow Line.
Small magnetic cache with log only BYOP. There is no need to climb over any fence or railing.