Why Do Traffic Signs Look The Way They Do?

A traffic sign displaying a rightward arrow.
The birthplace of traffic signs is thought to be Paris. In 1908, the first World Road Congress was held here, and the very first traffic signs were adopted: “bump,” “curve,” “intersection,” and “grade-level railroad crossing.” Gradually, the number of traffic signs increased, and today there are many dozens of different systems for their use.

Topic Last Updated on 08-07-2024

The birthplace of traffic signs is thought to be Paris. In 1908, the first World Road Congress was held here, and the very first traffic signs were adopted: “bump,” “curve,” “intersection,” and “grade-level railroad crossing.” Gradually, the number of traffic signs increased, and today there are many dozens of different systems for their use.

Then came standardization. In most European countries and the Soviet Union, a symbol system was used, while in the US, Australia, and New Zealand, traffic signs featured text. In some Asian and South American countries, a combined system was in place. There was no one unified standard until the 1968 UNESCO Vienna Convention on Road Traffic, which adopted the Convention on Road Signs and Signals. The new symbol system included only one text-based sign, the octagonal “STOP” sign. However, the designs were never fully standardized. Each country uses its own fonts and design styles for indicating localities and directions.

The “watch for children” sign in various countries
The “watch for children” sign in Australia
Australia
The “watch for children” Philippines
Philippines
The “watch for children” sign in US
US
The “watch for children”
Japan
The “watch for children” sign in Kazakhstan
Kazakhstan
A traffic sign with a man and a woman crossing a road.
Austria
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