High Road: Tire Tread Terms, Questions

Ok so this section of High Road has me sort of boggled. I get this question wrong more than any other I've faced yet.

I think part of it is the differing terminology. Can someone help clear up, what is considered the drive tires? I interpreted that as the "front tire" so I would put 4/32. But apparently the answer is 2/32 inches. What am I missing?

I'm just trying to understand the terms here better. Thanks for your help.

Drive tires are your rear tractor tires, they "drive" by transferring the power from the engine. You steer tires are your front wheels, obviously they direct what direction you go.

A simple thought for it is rear wheel drive.

Wow, had no idea that this was the case.

I have a lot to learn! Thanks a ton!

Drive tires are your rear tractor tires, they "drive" by transferring the power from the engine. You steer tires are your front wheels, obviously they direct what direction you go.

A simple thought for it is rear wheel drive.

Pelican, you can pick up an inexpensive tire tread depth gauge at a truck stop. Both companies I’ve driven for have provided such gauges and pressure gauges to their new drivers, along with some other starter kit items like a trucker’s road atlas, etc.

Front tires are typically referred to as “Steer tires”