ILLINOIS CLASS B NON-CDL
EXAMINATION QUESTIONS AND
ANSWERS
1. Under the Illinois Secretary of State guidelines, what is the maximum Gross Vehicle Weight
Rating (GVWR) a driver can operate with a Class B license?
A. A vehicle designed to transport 16 or more passengers including the driver.
B. A combination of vehicles with a GCWR of 26,001 pounds or more, provided the towed
unit is over 10,000 pounds.
C. Any single vehicle with a GVWR of 16,001 pounds but less than 26,001 pounds.
D. A single vehicle with a GVWR of 26,001 pounds or more, or any such vehicle towing a
vehicle not in excess of 10,000 pounds.
Answer: D
Conceptual Explanation: A Class B license in Illinois is required for single vehicles with a
GVWR of 26,001 lbs or more, or such a vehicle towing another not exceeding 10,000 lbs.
,2. What is the maximum legal width for any vehicle (excluding mirrors and safety devices) on
most Illinois highways?
A. 8 feet 0 inches
B. 9 feet 0 inches
C. 8 feet 6 inches
D. 10 feet 2 inches
Answer: C
Conceptual Explanation: The maximum legal width for most vehicles on Illinois highways
is 8 feet 6 inches.
3. When a load extends to the rear 4 feet or more beyond the bed or body of a vehicle, what
must be displayed at the extreme rear during daylight hours?
A. A yellow flag at least 12 inches square
B. Two red flags at least 12 inches square
C. A white flag at least 24 inches square
D. A red flag at least 18 inches square
Answer: D
Conceptual Explanation: Illinois law requires a red flag at least 18 inches square to be
displayed at the extreme rear of a load extending 4 feet or more beyond the vehicle body.
, 4. For vehicles required to carry emergency equipment, which of the following is the correct
placement for three reflective triangles on a two-lane undivided highway?
A. One 10 feet to the front, one 10 feet to the rear, and one 100 feet to the rear.
B. One 10 feet to the rear, one 100 feet to the rear, and one 200 feet to the rear.
C. All three triangles placed 100 feet behind the vehicle at 50-foot intervals.
D. One 100 feet to the front, one 10 feet to the rear, and one 100 feet to the rear.
Answer: D
Conceptual Explanation: On a two-lane road, warning devices should be placed 100 feet
ahead, 10 feet behind, and 100 feet behind the vehicle to warn traffic in both directions.
5. What is the minimum tread depth required for the front tires of a vehicle with a GVWR
over 26,000 pounds?
A. 2/32 of an inch
B. 6/32 of an inch
C. 4/32 of an inch
D. 1/32 of an inch
Answer: C
Conceptual Explanation: Front tires on heavy vehicles must have a minimum tread depth
of 4/32 of an inch for safety and steering stability.
EXAMINATION QUESTIONS AND
ANSWERS
1. Under the Illinois Secretary of State guidelines, what is the maximum Gross Vehicle Weight
Rating (GVWR) a driver can operate with a Class B license?
A. A vehicle designed to transport 16 or more passengers including the driver.
B. A combination of vehicles with a GCWR of 26,001 pounds or more, provided the towed
unit is over 10,000 pounds.
C. Any single vehicle with a GVWR of 16,001 pounds but less than 26,001 pounds.
D. A single vehicle with a GVWR of 26,001 pounds or more, or any such vehicle towing a
vehicle not in excess of 10,000 pounds.
Answer: D
Conceptual Explanation: A Class B license in Illinois is required for single vehicles with a
GVWR of 26,001 lbs or more, or such a vehicle towing another not exceeding 10,000 lbs.
,2. What is the maximum legal width for any vehicle (excluding mirrors and safety devices) on
most Illinois highways?
A. 8 feet 0 inches
B. 9 feet 0 inches
C. 8 feet 6 inches
D. 10 feet 2 inches
Answer: C
Conceptual Explanation: The maximum legal width for most vehicles on Illinois highways
is 8 feet 6 inches.
3. When a load extends to the rear 4 feet or more beyond the bed or body of a vehicle, what
must be displayed at the extreme rear during daylight hours?
A. A yellow flag at least 12 inches square
B. Two red flags at least 12 inches square
C. A white flag at least 24 inches square
D. A red flag at least 18 inches square
Answer: D
Conceptual Explanation: Illinois law requires a red flag at least 18 inches square to be
displayed at the extreme rear of a load extending 4 feet or more beyond the vehicle body.
, 4. For vehicles required to carry emergency equipment, which of the following is the correct
placement for three reflective triangles on a two-lane undivided highway?
A. One 10 feet to the front, one 10 feet to the rear, and one 100 feet to the rear.
B. One 10 feet to the rear, one 100 feet to the rear, and one 200 feet to the rear.
C. All three triangles placed 100 feet behind the vehicle at 50-foot intervals.
D. One 100 feet to the front, one 10 feet to the rear, and one 100 feet to the rear.
Answer: D
Conceptual Explanation: On a two-lane road, warning devices should be placed 100 feet
ahead, 10 feet behind, and 100 feet behind the vehicle to warn traffic in both directions.
5. What is the minimum tread depth required for the front tires of a vehicle with a GVWR
over 26,000 pounds?
A. 2/32 of an inch
B. 6/32 of an inch
C. 4/32 of an inch
D. 1/32 of an inch
Answer: C
Conceptual Explanation: Front tires on heavy vehicles must have a minimum tread depth
of 4/32 of an inch for safety and steering stability.
