The bars become flush with surrounding tread when wear reduces a groove's depth to 2/32 of an inch. That's also the point where tires will flunk a state safety inspection—and where tread must be ...

This little square on the middle or outer ... If, however, any part of his head is hidden by the tread, the tire's still safe ...

Few car maintenance tasks are as crucial (or as often overlooked) as tire tread depth. It's a major part of determining how safe, effective, and long-lasting your tires are, and yet it's rarely ...

Tires typically have a lifespan measured in miles, not actual time, so what should you do about spare tires, which may not ...

Determine if it’s time to begin shopping for new tires by placing a quarter, with George Washington’s head facing down, into a tread groove. The top of his head to the edge of a quarter is 4 ...

Montalvo emphasizes the importance of tire health and age, especially when driving on wet roads. Tires you've had for six years or longer are at a greater risk of tread ... not at a safe depth.