Traffic School Questions for Tires
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What is the Penny Test for Checking Tire Tread Depth
Question (submitted on 9/9/2020)
Regarding The Penny Test - I don't understand how this works. You place a penny into a tread groove on your tires with Lincoln's head pointed down and if you can see all of Lincoln's head it's time to replace the tire? Shouldn't that say If you CANNOT see all of Lincoln's head...?
Answer
Hi Anne, thanks for reaching out. The explanation we have in our course is accurate. The Penny Test shows the amount of space in-between the outer edge of a penny and Lincoln’s h... Read Full Answer
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