Arkansas CDL Air Brakes Practice Test

What is the legal minimum tread depth for the steering axle tires of a CMV that has air brakes?

1/32 inch on steer tires 4/32 inch on steer tires (and 2/32 inch on other tires) 8/32 inch on steer tires No requirement

4/32 inch on steer tires (and 2/32 inch on other tires)

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