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Ontario G1 Practice Test
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Passing target: 16 correct signs and 16 correct rules (TLA practice targets)
Lane changes, passing and streetcarsStandalone practice
When is it permissible to cross a solid white line separating lanes of traffic travelling in the same direction?
Two eastbound lanes are separated by a solid white line. Blue car A occupies the right lane. Silver car B occupies the left lane.
Correct answer: Avoid crossing it; it marks a lane change as unsafe
Why
A solid white line indicates that changing lanes is discouraged because it is hazardous (often found near intersections or construction zones). You should stay in your lane.
Verified against The Official Ministry of Transportation (MTO) Driver’s Handbook · Lane changes, passing and streetcars · p. 66, 71
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