ILLINOIS CLASS C CDL 2026
COMPREHENSIVE STUDY GUIDE Q&A
REVIEW GRADED A+
⩥ Which of the following is NOT exempt from CDL requirements?
Answer: Vehicles transporting hazardous materials requiring placards.
⩥ Under what conditions may a farm vehicle be operated without a
CDL?
Answer: It must be operated within 150 air miles of the farm and not
used as a common or contract carrier.
⩥ What single-vehicle weight range does a Non-CDL Class C license in
Illinois cover?
Answer: 16,001-26,000 lb.
⩥ Which of the following describes a second division vehicle?
Answer: Vehicles remodeled for use as living quarters or designed to
carry freight or more than 10 persons.
⩥ Drivers of second division vehicles with a GVWR over 10,001 lb
must possess which additional document?
Answer: A medical examiner's certificate.
, ⩥ Which license class is required to drive a single vehicle with a GVWR
of 26,001 lb or more?
Answer: Class B.
⩥ How often must second division vehicles and emergency medical
service vehicles undergo a safety inspection?
Answer: Every 6 months.
⩥ Which of the following vehicles is exempt from Illinois' periodic
safety test requirement?
Answer: A recreational vehicle (RV) used only for personal travel.
⩥ Where must interstate or intrastate carriers operating in Illinois
display their trade name?
Answer: On both sides of the vehicle in letters at least 2 inches high.
⩥ What is the maximum allowable width for most vehicles on Illinois
highways unless otherwise posted?
Answer: 8 ft (8 ft 6 in on certain designated highways).
⩥ What is the maximum legal height of a vehicle (without special
permit) in Illinois?
Answer: 13 ft 6 in.
COMPREHENSIVE STUDY GUIDE Q&A
REVIEW GRADED A+
⩥ Which of the following is NOT exempt from CDL requirements?
Answer: Vehicles transporting hazardous materials requiring placards.
⩥ Under what conditions may a farm vehicle be operated without a
CDL?
Answer: It must be operated within 150 air miles of the farm and not
used as a common or contract carrier.
⩥ What single-vehicle weight range does a Non-CDL Class C license in
Illinois cover?
Answer: 16,001-26,000 lb.
⩥ Which of the following describes a second division vehicle?
Answer: Vehicles remodeled for use as living quarters or designed to
carry freight or more than 10 persons.
⩥ Drivers of second division vehicles with a GVWR over 10,001 lb
must possess which additional document?
Answer: A medical examiner's certificate.
, ⩥ Which license class is required to drive a single vehicle with a GVWR
of 26,001 lb or more?
Answer: Class B.
⩥ How often must second division vehicles and emergency medical
service vehicles undergo a safety inspection?
Answer: Every 6 months.
⩥ Which of the following vehicles is exempt from Illinois' periodic
safety test requirement?
Answer: A recreational vehicle (RV) used only for personal travel.
⩥ Where must interstate or intrastate carriers operating in Illinois
display their trade name?
Answer: On both sides of the vehicle in letters at least 2 inches high.
⩥ What is the maximum allowable width for most vehicles on Illinois
highways unless otherwise posted?
Answer: 8 ft (8 ft 6 in on certain designated highways).
⩥ What is the maximum legal height of a vehicle (without special
permit) in Illinois?
Answer: 13 ft 6 in.
