What is the minimum tread depth requirement for non-steering tires on a commercial vehicle?

Practise this CDL Commercial License Prep question free, then download the PDF, watch the video walkthrough, or unlock timed mock exams for the full web bank.

Download PDF Watch video

Multiple choice — select the best answer

A1/32 inch
B2/32 inch
C4/32 inch
D6/32 inch

✓ Correct answer: A. 1/32 inch The minimum legal tread depth for non-steering tires on a commercial vehicle is 1/32 inch, though many safety experts recommend more than the minimum for optimal safety.

.q-expl{display:block!important}.q-opt[data-idx="0"]{border-color:#16a34a;background:#f0fdf4}.q-opt[data-idx="0"] .oltr{background:#16a34a;color:#fff}.q-opt{cursor:default!important;pointer-events:none}

Keep practising. Use the free CDL Commercial License Prep PDF, watch the YouTube walkthrough, or unlock all 10 web questions with timed mock exams.

Free PDF Video walkthrough

← Previous Next → 🎲 Random question ↩ Back to all questions

Keep practising

What is the minimum tread depth requirement for non-steering tires on a commercial vehicle?

Related questions

Free practice here. Timed mocks when you are ready.