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CDL Practice Test: Driving Rules & Regulations

These CDL practice questions are from our High Road Training Program, a CDL test preparation course designed to help you learn the CDL manual.

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CDL Practice Test: Driving Rules & Regulations

Driving Rules & Regulations Questions

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What constitutes excessive speeding?
  • Any speed of 10 mph or more above the posted speed limit
  • Any speed of 25 mph or more above the posted speed limit
  • Any speed of 15 mph or more above the posted speed limit
  • Any speed of 20 mph or more above the posted speed limit
This is a question from page 3 - click here to look up the answer

Quote From Page 8 Of The Illinois CDL Manual:

Excessive speeding involving any single offense for any speed of 15 mph or more above the posted speed limit.

The following may also result in excessive speeding:

  • Failure to reduce speed to avoid an accident.
  • Driving too fast for conditions.
  • Exceeding the speed limit in a school zone.

TruckingTruth's Advice:

Excessive speeding is considered a "serious traffic violation." Two serious traffic violations within a three-year period results in a two-month disqualification. Three serious traffic violations in the same period results in a four-month disqualification.

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Turn signals must be visible from how many feet away?
  • 400 feet
  • 300 feet
  • 200 feet
  • 100 feet
This is a question from page 5 - click here to look up the answer

Quote From Page 11 Of The Illinois CDL Manual:

Vehicles must have right and left signals on the front and rear. They must be visible from 300 feet.

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Knowingly and willfully leaving the scene of an accident while operating a CMV or non-CMV results in disqualification for how long?
  • Minimum of 18 months
  • Minimum of 6 months
  • Minimum of 24 months
  • Minimum of 12 months
This is a question from page 3 - click here to look up the answer

Quote From Page 8 Of The Illinois CDL Manual:

The following offenses also will lead to disqualification:

  • Knowingly and willfully leaving the scene of an accident while operating a CMV or non-CMV results in disqualification for a minimum 12 months.
  • Committing a felony while operating a CMV or non-CMV results in disqualification for a minimum 12 months.
  • A conviction for either offense above while carrying placarded hazardous materials results in disqualification for a minimum three years.
  • A conviction for violation of an out-of-service order results in disqualification for a minimum six months.
  • The use of a CMV or non-CMV in the commission of any felony involving manufacturing, distributing or dispensing a controlled substance, or possession with intent to manufacture, distribute or disperse a controlled substance,results in a lifetime disqualification.

Operating a commercial motor vehicle in violation of regulations pertaining to railroad-highway grade crossings:

  • First conviction 60-day disqualification
  • Second conviction within a three-year period -120-day disqualification
  • Third and subsequent conviction within a three year period - one year disqualification.
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Which of the following requires a CDL?
  • Any combination of vehicles with a gross combination weight rating (GCWR) of 20,001 pounds
  • Any single vehicle with a GVWR of 26,001 pounds or more pounds
  • Any vehicle, regardless of size, designed to transport up to 14 persons, including the driver
  • Recreational vehicles exceeding 22,001 pounds.
This is a question from page 1 - click here to look up the answer

Quote From Page 3 Of The Illinois CDL Manual:

A CDL must be obtained by the driver of any of the following vehicles:

  • Any combination of vehicles with a gross combination 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.

TruckingTruth's Advice:

Recreational Vehicles do not require a CDL

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What is the maximum trailer length allowed?
  • 53 feet
  • 48 feet
  • 60 feet
  • 50 feet
This is a question from page 4 - click here to look up the answer

Quote From Page 9 Of The Illinois CDL Manual:

Length

No vehicle with or without a load, other than a semitrailer, shall exceed a length of 42 feet. Semitrailers may have an overall length of 53 feet, including the load being carried.

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Traffic violations which are deemed "serious" by the DOT carry additional consequences. What is an example of a serious traffic violation?
  • Following Too Closely
  • All of these are serious traffic violations
  • Improper Lane Usage
  • Excessive Speeding
This is a question from page 3 - click here to look up the answer

Quote From Page 9 Of The Illinois CDL Manual:

The following are listed as serious traffic violations:

  • Excessive Speeding
  • Reckless Driving
  • No Valid CDL
  • Following Too Closely
  • Improper Lane Usage
  • Conviction Involving a Fatal Accident
  • Multiple Licenses
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Radar detectors are not allowed in a commercial motor vehicle except:
  • When the device is contained in a locked, opaque box or similar container or the device is not in the passenger compartment of the vehicle and is not in operation
  • When the device is not in working order and/or has its power cable disconnected and batteries removed
  • Radar detectors are never allowed inside commercial motor vehicles
  • When the device is placed under the drivers seat and not powered on
This is a question from page 6 - click here to look up the answer

Quote From Page 12 Of The Illinois CDL Manual:

Law prohibits CMVs from being equipped with any instrument designed to detect the presence of, or interfere with, microwaves at frequencies used by police radar for the purpose of monitoring vehicle speed. The term "equipped" means and includes possession or use within a CMV.


A motorist shall not be in violation if the device is contained in a locked, opaque box or similar container or the device is not in the passenger compartment of the vehicle and is not in operation.

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Which of the following requires a CDL?
  • Driving a vehicle weighing more than 26,001 for commercial purposes across state lines
  • A farmer driving a combination vehicle equipped with air brakes
  • Military personnel transporting hazardous materials in a combination vehicle weighing more than 50,001 pounds
  • A recreational vehicle longer than 35 feet in length
This is a question from page 1 - click here to look up the answer

Quote From Page 3 Of The Illinois CDL Manual:

The following vehicle operators are not required to obtain a CDL:

Farm Equipment Operators - This exemption covers legitimate farm-to-market operations by farmers, not commercial grain haulers. CDLs are not required to operate vehicles:

  • Controlled and operated by a farmer, a member of the farmer's family or an employee;
  • Used to transport farm products, equipment or supplies to or from a farm (including nurseries and aquacultures);
  • Used within 150 air miles of the farm; and
  • Not used in the operations of a common or contract carrier; and
  • Used in nursery or agricultural operations.

NOTE: For the drivers of truck-tractor semitrailers, the farmer, his or her spouse and their children, parents on both sides, brothers and sisters on both sides and their spouses operating a truck-tractor semitrailer and meeting the above criteria also are exempted from the CDL Program. These drivers must be at least age 21, and the vehicle must have Farm plates. These drivers are still required to take the appropriate CDL written, skills and road tests to be licensed.

  • Firefighting Equipment Operators - Because most firefighting organizations have extensive initial training and retraining requirements for their equipment operators, Illinois waives CDL requirements for operators of firefighting equipment owned or operated by or for a government agency, when responding to or returning from an emergency.
  • Military Vehicle Operators - Operators of military vehicles for military purposes are exempt from obtaining a CDL.
  • Recreational Vehicle Operators - Recreational vehicle operators, when using the vehicle primarily for personal use, do not need a CDL.

A CDL must be obtained by the driver of any of the following vehicles:

  • Any combination of vehicles with a gross combination 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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[3,2,4,2,1,2,1,1]
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