What is the minimum depth of tread required for trailer tires?

2/32 inch.. Section 2.1: Tires other than front tires (drive, trailer) must have at least 2/32 inch tread depth.

What is the minimum depth of tread required for trailer tires?

ANSWER BREAKDOWN
  • A. Incorrect. The required depth is 2/32 inch, not 4/32 inch. Tires other than front tires (drive, trailer) must have at least 2/32 inch tread depth.
  • B. Correct. Tires other than front tires (drive, trailer) must have at least 2/32 inch tread depth.
  • C. Incorrect. The required depth is 2/32 inch, not 1/32 inch. Tires other than front tires (drive, trailer) must have at least 2/32 inch tread depth.
  • D. Incorrect. "They can be bald." is not correct. Tires other than front tires (drive, trailer) must have at least 2/32 inch tread depth.