Street Signs

Paying tribute to ancient Egypt and Mesopotamia, street signs use symbols and images to convey a message that overcomes language barriers. Symbols are so effective at providing instant communication with roadway users that it’s becoming the standard for traffic control devices (TCD) around the world.

The shape and color of a sign is determined by what information it wants to convey. For example, you might encounter a No Parking sign that has a white background with a red circle and cross over the letter P. The predominant colors in this sign are white and red, which are categorized as regulatory, meaning that the sign is trying to issue a command to maintain order and safety on the roadway.

For bicyclists and pedestrians, signs will be placed to accommodate these modes of travel. The Yield Here to Pedestrians and Bike Lane / Wrong Way for Bikes are yet another example of regulatory signs in action.

If you are interested to learn more about the street signs, the Manual on Uniform traffic Control Devices (MUTCD) is a great resource to learn the meanings behind the color and shape of a particular sign. You can visit the MUTCD webpage here.

Sourced from the Manual on Uniform Traffic Control Devices.