When you change lanes or merge into another lane, you:
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Should first stop and check for cross traffic.
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Need at least a 4-second traffic gap.
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Have the right-of-way.
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Should use your horn to alert other drivers of your lane change.
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Explanation
When you change lanes or merge into another lane, you need at least a 4-second traffic gap to ensure a safe maneuver. This gap provides enough space for you to move into the lane without cutting off other drivers and allows time for you and the vehicles around you to adjust your speeds, reducing the risk of accidents.
Answer Statistics
🟡 This question is moderately difficult — 16.3% of our users answer it incorrectly.
Other questions in the same category: Safe Lane Changing
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This question appears in the following DMV practice tests: