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Multiple Choice

According to CVC 27465b, the minimum allowable tread depth of your tires is 1/2 of an inch

Tread depth is the measure of rubber left in the tire’s grooves. California law requires a minimum of 1/32 inch of tread depth, not 1/2 inch. A half-inch of tread would be well beyond what’s legally required, while 1/32 inch is a very small amount that signals the tire is near the end of its legal life. For safety, many drivers replace tires when they reach about 2/32 inch, especially in wet conditions, because deeper tread helps resist hydroplaning and maintain traction. To check, measure across several tread grooves around the tire with a depth gauge or a small ruler; if you’re around or below 1/32 inch, it’s time to replace.

Tread depth is the measure of rubber left in the tire’s grooves. California law requires a minimum of 1/32 inch of tread depth, not 1/2 inch. A half-inch of tread would be well beyond what’s legally required, while 1/32 inch is a very small amount that signals the tire is near the end of its legal life. For safety, many drivers replace tires when they reach about 2/32 inch, especially in wet conditions, because deeper tread helps resist hydroplaning and maintain traction. To check, measure across several tread grooves around the tire with a depth gauge or a small ruler; if you’re around or below 1/32 inch, it’s time to replace.