Handbook Question Confusion

Topic 26913 | Page 1

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Oz's Comment
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The question states all tires. Minimum tread depth for steer tires is 4/32, right? So to still be legal with all tires, shouldn't you avoid going down to 2/32 on the steer tires? Just confused.

Oz's Comment
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Amber L.'s Comment
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Steering tires are the tires you steer with aka your front tires. They need a minimum 4/32 depth.

Your drive tires aka the back tires of your tractor and your trailer tires need a minimum of 2/32.

Also your steer tires need to be matching brands/tread virgin radials where as your drive and trailer tires can be mixed brands/ tread and can be retreads but need to be the same size. Also the tires on each vehicle, a tractor is one vehicle and a trailer is another vehicle, need to be the same size, so your trailer could have a different size than your tractor and that is okay but you must have the same size from steer to drive on the tractor.

Hope that helps!

Old School's Comment
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The question states all tires.

Read that question again. It's very specific about which tires. Nowhere does it use the phrase "all tires."

Oz's Comment
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Oooooohhhhh, gotcha. Little burnt from work.

Old School's Comment
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Oz, the actual tests will often be worded in such a way that requires you to really focus on the specific way it is phrased. Our testing materials are designed to help you practice that focus and comprehension.

You're doing good. On a rare occasion Brett has needed to fix something in that program, but for the most part we've found that people who question the accuracy of the High Road CDL Training Program do so when they are working at it while tired. It's much easier to get yourself confused while weary. Hence the problems that arise from fatigued driving.


Commercial Driver's License (CDL)

A CDL is required to drive any of the following vehicles:

  • Any combination of vehicles with a gross combined weight rating (GCWR) of 26,001 or more pounds, providing the gross vehicle weight rating (GVWR) of the vehicle being towed is in excess of 10,000 pounds.
  • Any single vehicle with a GVWR of 26,001 or more pounds, or any such vehicle towing another not in excess of 10,000 pounds.
  • Any vehicle, regardless of size, designed to transport 16 or more persons, including the driver.
  • Any vehicle required by federal regulations to be placarded while transporting hazardous materials.
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