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Alabama Class D Learner License Practice Test
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Passing target: 80% (24/30)
Vehicle Safety, Documents & TowingStandalone practice
When is a tire unlawful because of tread depth?
Correct answer: When tread is less than 1/16 inch deep.
Why
Adequate tread helps the tire grip and move water; less than 1/16 inch is below Alabama's minimum.
Verified against Alabama Driver Manual · Minimum tire tread · p. 82
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