What shape and colour scheme do regulatory signs generally use?

Road sign or scenario shown in this question

Pick an answer to see if you’re right.

Show the answer

Correct answer: A. Rectangular or square, usually white or black background

Regulatory signs are usually rectangular or square, with a white or black background and black, white, or coloured letters — the shape distinguishes them from the diamond-shaped warning signs, even before reading the specific rule.

Source: MTO Driver's Handbook: Signs — Regulatory signs

The real G1 has 40 questions. Are you ready?

Take the free 5-question test Full mock exams with Premium

More Sign Shapes & Colours questions

You see a regulatory sign with a green circle around a symbol. What does the green circle mean?
The Ontario Traffic Manual ranks sign categories by how critical they are for a driver to notice and react to in time. Which category sits at the very top of that hierarchy, even above regulatory signs like STOP and speed limit signs?
A temporary condition sign (like a construction warning) is the same diamond shape as a regular warning sign. How can you tell them apart at a glance?
Setting aside signs with a unique shape of their own like stop and yield, what shape are most regulatory signs?

Study the rules first in the Sign Shapes & Colours guide, or browse all free G1 questions.