Illinois IDOT Class B Non CDL Permit
Ultimate Exam
**Question 1.** Which of the following is the minimum age required to obtain an
Illinois Class B non-CDL permit for intrastate non-commercial driving?
A) 16 years
B) 18 years
C 21 years
D 25 years
Answer: B
Explanation: Illinois law requires drivers to be at least 18 years old to obtain a
Class B non-CDL permit for intrastate, non-commercial operation.
**Question 2.** A driver who moves to Illinois must notify the Secretary of State
of an address change within how many days?
A 1 day
B 5 days
C 10 days
D 30 days
Answer: C
Explanation: Illinois mandates that drivers report a new residential address to the
Secretary of State within 10 days of the change.
**Question 3.** Under Illinois implied-consent law, what is the legal
blood-alcohol concentration (BAC) limit for drivers 21 years and older?
A 0.02%
B 0.05%
C 0.08%
, Illinois IDOT Class B Non CDL Permit
Ultimate Exam
D 0.10%
Answer: C
Explanation: The state’s legal limit for adult drivers is 0.08 percent BAC; exceeding
this permits chemical testing and penalties.
**Question 4.** Which of the following statements best describes the “Zero
Tolerance” policy in Illinois?
A BAC 0.08 % is the limit for all drivers.
B Any detectable BAC for drivers under 21 is prohibited.
C BAC 0.05 % is the limit for commercial drivers.
D BAC 0.02 % is the limit for out-of-state drivers.
Answer: B
Explanation: Illinois enforces a zero-tolerance rule for drivers under 21, meaning
any measurable alcohol level is a violation.
**Question 5.** How often must a Class B non-CDL license be renewed in Illinois?
A Every 2 years
B Every 4 years
C Every 6 years
D Every 8 years
Answer: B
Explanation: Illinois issues Class B non-CDL licenses with a renewal cycle
of four years.
, Illinois IDOT Class B Non CDL Permit
Ultimate Exam
**Question 6.** Which lighting device is required on a Class B vehicle that
exceeds 40 feet in length?
A Side marker lights only
B Clearance lights on the rear only
C Identification lights at the front and rear
D Fog lights on the driver’s side
Answer: C
Explanation: Vehicles longer than 40 feet must have identification lights at both
front and rear to increase visibility.
**Question 7.** What is the minimum tread depth required for the steer tires on
a Class B vehicle?
A 1/32 inch
B 2/32 inch
C 3/32 inch
D 4/32 inch
Answer: D
Explanation: Illinois requires a minimum tread depth of 4/32 inch for steer (front)
tires to maintain adequate traction.
**Question 8.** Which of the following is NOT considered a mandatory safety
equipment item on a Class B vehicle?
A Fire extinguisher
B Spare fuses
C Emergency warning triangles
, Illinois IDOT Class B Non CDL Permit
Ultimate Exam
D Portable air compressor
Answer: D
Explanation: While useful, a portable air compressor is not mandated; fire
extinguishers, spare fuses, and warning devices are required.
**Question 9.** The maximum legal width for a vehicle traveling on Illinois state
highways is:
A 8 feet 0 inches
B 8 feet 6 inches
C 9 feet 0 inches
D 9 feet 6 inches
Answer: B
Explanation: Illinois sets the width limit at 8 feet 6 inches for most vehicles on
state highways.
**Question 10.** What is the standard maximum height clearance for most
bridges on Illinois highways?
A 12 feet 6 inches
B 13 feet 0 inches
C 13 feet 6 inches
D 14 feet 0 inches
Answer: C
Explanation: The typical bridge clearance is 13 feet 6 inches; drivers must ensure
their vehicle does not exceed this height.
Ultimate Exam
**Question 1.** Which of the following is the minimum age required to obtain an
Illinois Class B non-CDL permit for intrastate non-commercial driving?
A) 16 years
B) 18 years
C 21 years
D 25 years
Answer: B
Explanation: Illinois law requires drivers to be at least 18 years old to obtain a
Class B non-CDL permit for intrastate, non-commercial operation.
**Question 2.** A driver who moves to Illinois must notify the Secretary of State
of an address change within how many days?
A 1 day
B 5 days
C 10 days
D 30 days
Answer: C
Explanation: Illinois mandates that drivers report a new residential address to the
Secretary of State within 10 days of the change.
**Question 3.** Under Illinois implied-consent law, what is the legal
blood-alcohol concentration (BAC) limit for drivers 21 years and older?
A 0.02%
B 0.05%
C 0.08%
, Illinois IDOT Class B Non CDL Permit
Ultimate Exam
D 0.10%
Answer: C
Explanation: The state’s legal limit for adult drivers is 0.08 percent BAC; exceeding
this permits chemical testing and penalties.
**Question 4.** Which of the following statements best describes the “Zero
Tolerance” policy in Illinois?
A BAC 0.08 % is the limit for all drivers.
B Any detectable BAC for drivers under 21 is prohibited.
C BAC 0.05 % is the limit for commercial drivers.
D BAC 0.02 % is the limit for out-of-state drivers.
Answer: B
Explanation: Illinois enforces a zero-tolerance rule for drivers under 21, meaning
any measurable alcohol level is a violation.
**Question 5.** How often must a Class B non-CDL license be renewed in Illinois?
A Every 2 years
B Every 4 years
C Every 6 years
D Every 8 years
Answer: B
Explanation: Illinois issues Class B non-CDL licenses with a renewal cycle
of four years.
, Illinois IDOT Class B Non CDL Permit
Ultimate Exam
**Question 6.** Which lighting device is required on a Class B vehicle that
exceeds 40 feet in length?
A Side marker lights only
B Clearance lights on the rear only
C Identification lights at the front and rear
D Fog lights on the driver’s side
Answer: C
Explanation: Vehicles longer than 40 feet must have identification lights at both
front and rear to increase visibility.
**Question 7.** What is the minimum tread depth required for the steer tires on
a Class B vehicle?
A 1/32 inch
B 2/32 inch
C 3/32 inch
D 4/32 inch
Answer: D
Explanation: Illinois requires a minimum tread depth of 4/32 inch for steer (front)
tires to maintain adequate traction.
**Question 8.** Which of the following is NOT considered a mandatory safety
equipment item on a Class B vehicle?
A Fire extinguisher
B Spare fuses
C Emergency warning triangles
, Illinois IDOT Class B Non CDL Permit
Ultimate Exam
D Portable air compressor
Answer: D
Explanation: While useful, a portable air compressor is not mandated; fire
extinguishers, spare fuses, and warning devices are required.
**Question 9.** The maximum legal width for a vehicle traveling on Illinois state
highways is:
A 8 feet 0 inches
B 8 feet 6 inches
C 9 feet 0 inches
D 9 feet 6 inches
Answer: B
Explanation: Illinois sets the width limit at 8 feet 6 inches for most vehicles on
state highways.
**Question 10.** What is the standard maximum height clearance for most
bridges on Illinois highways?
A 12 feet 6 inches
B 13 feet 0 inches
C 13 feet 6 inches
D 14 feet 0 inches
Answer: C
Explanation: The typical bridge clearance is 13 feet 6 inches; drivers must ensure
their vehicle does not exceed this height.
