Road signs guide

Ontario Road-Sign Shapes and Colours Explained

Shape and colour give drivers an early clue, while the symbol or wording confirms the specific instruction, warning, or destination.

By the DriveTest Pro editorial team · Published · Reviewed · 6 min read

Key takeaways

  • A stop sign is eight-sided; a yield sign is triangular; a railway crossing sign is X-shaped.
  • Warning signs are usually yellow diamonds, while temporary-condition signs are usually orange diamonds.
  • Regulatory signs give directions that must be obeyed and are commonly rectangular or square.

Distinctive shapes to recognize first

Ontario's handbook identifies the red eight-sided stop sign, the triangular yield sign with a red border, the five-sided fluorescent yellow-green school-zone sign, and the X-shaped railway crossing sign. Their distinctive outlines help recognition when visibility is limited.

Colour and shape families

Warning signs are usually diamond-shaped with a yellow background and black symbols. Temporary-condition signs are also usually diamond-shaped but use orange. Information and direction signs are generally rectangular and often green with white lettering.

  • Regulatory: a direction or restriction that must be obeyed.
  • Warning: a hazard or unusual condition ahead.
  • Temporary: road work, detours, closures, or temporary control.
  • Information and direction: routes, services, destinations, and distances.

Always connect the clue to an action

Do not answer from colour alone. Identify the family, read the symbol or message, then state the action the driver must take. Similar colours can appear in different contexts, and the complete sign controls its meaning.

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