Ontario Bus Driver Knowledge Test 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

Signs warning of unusual temporary conditions are what color?

Yellow/Green

Orange with Black lettering

These types of signs are typically used to warn drivers of unexpected situations, such as roadwork, adverse weather conditions, or accidents. Out of the given options, the most common color combination for these warning signs is orange and black. Yellow/green (option A) is the color used for advisory signs, which provide information about potential hazards or roadway conditions. Red/white (option C) is used for regulatory signs, such as stop signs or speed limits. Blue/white (option D) is used for service signs, which provide information about facilities or services available at certain exits or intersections. Therefore, orange with black lettering (option B) is the most appropriate color combination for signs warning of unusual temporary conditions.

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Red/White

Blue/White

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