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Ontario G1 Practice Test
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Passing target: 16 correct signs and 16 correct rules (TLA practice targets)
Warning signsStandalone practice
What is the meaning of a yellow diamond sign displaying the number '3.9 m' with arrows pointing to the top and bottom of the numbers?
Correct answer: Low clearance ahead (3.9 metres)
Why
This sign warns of an underpass or bridge with a low overhead clearance. Vehicles taller than the posted height (3.9 metres in this case) must not proceed.
Verified against The Official Ministry of Transportation (MTO) Driver’s Handbook · Warning signs · p. 115, 122
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