The Meaning Behind a Blue Stop Sign – Why You Might Be Seeing One (And What It Means)

 3. International Standards
The Vienna Convention on Road Signs and Signals — an international treaty — recognizes the red stop sign as the global standard , ensuring consistency for drivers across borders.

So What About Blue Stop Signs?
While blue stop signs are not part of the official traffic control system in most places, they do appear in some locations — and here’s why:

1. Training and Law Enforcement Use
Some law enforcement agencies and driving schools use blue stop signs during training exercises or traffic control drills . These are not meant for public roads , but rather for controlled environments like driving ranges or police academies.

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