Tire Tread Depth Chart: Your Guide To Safe Driving

Stopping Hunter Engineering Company®

Did you know that tire tread depth is one of the most crucial factors in ensuring your safety on the road? Yet, many drivers overlook this important aspect of car maintenance, putting themselves and others at risk of accidents and injuries.

The Importance of Tire Tread Depth

Tire tread depth refers to the measurement of the grooves on the surface of your tires that provide traction and grip on the road. Over time, these grooves wear down due to regular use, exposing the underlying rubber and reducing the tire’s ability to grip the road.

Driving on worn-out tires can lead to a range of safety issues, such as:

  • Reduced braking distance
  • Poor handling and stability
  • Increased risk of hydroplaning on wet roads
  • Greater susceptibility to punctures and blowouts

How to Check Your Tire Tread Depth

It’s recommended that you check your tire tread depth at least once a month or before embarking on a long road trip. Here’s how:

Step 1: Find a Penny

Take a penny and hold it so that the top of Lincoln’s head is facing down. Make sure that the penny is still visible between your fingers.

Step 2: Insert the Penny into the Tread Groove

Insert the penny into the groove of the tire tread, with Lincoln’s head facing down. Make sure that the penny is inserted with the top of his head pointing towards the center of the tire.

Step 3: Observe the Tread Depth

If you can see the top of Lincoln’s head, it means that your tire tread depth is less than 2/32 of an inch and it’s time to replace your tires.

How to Maintain Adequate Tire Tread Depth

To ensure that your tires maintain adequate tread depth and grip, follow these tips:

1. Check Your Tire Pressure Regularly

Underinflated tires can cause excessive wear and tear on the edges of the tire, leading to premature tread wear. Use a tire pressure gauge to check your tire pressure at least once a month, and inflate them to the recommended pressure level.

2. Rotate Your Tires

Regularly rotating your tires can help distribute wear more evenly, reducing the risk of premature tread wear.

3. Avoid Overloading Your Vehicle

Overloading your vehicle can put extra weight and strain on your tires, causing them to wear down faster. Make sure to check your vehicle’s weight capacity and stick to it.

4. Drive Safely

Excessive speeding, hard braking, and rough driving can cause your tires to wear down faster. Drive within the speed limit, brake smoothly and avoid sudden turns or lane changes.


Checking your tire tread depth regularly and maintaining adequate tread depth is essential for safe driving. By following these simple tips, you can ensure that your tires are in good condition and reduce the risk of accidents and injuries on the road.

So, next time you’re out on the road, remember to check your tire tread depth and stay safe!

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