Ontario G1 Test Coach

Road signsQuestion 43 of 328

A yellow diamond with a black bump shape on the road line

What does this sign warn you about?

A railway crossing ahead
Water over the road ahead
A narrow bridge ahead
A bump or uneven pavement ahead

Show answer

Correct answer: A bump or uneven pavement ahead

Go slower over rough pavement so you can steer well.

Source: The Official MTO Driver's Handbook (Ontario Ministry of Transportation), Signs, Here are some common warning signs:

Practice road signs

Questions last reviewed: 18 October 2026

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