Illinois Class B Non-CDL Questions and Answers with Complete
Solutions
Class A - ANSWER Any combination of motor vehicles with a
GCWR of 26,001 pounds or more, providing the GVWR of the
vehicle being towed is in excess of 10,000 pounds. Also allows
for operation of Class B, C and D vehicles.
Class B - ANSWER Any single motor vehicle with a GCWR of
26,001 pounds or more or any such vehicle towing another not
in excess of 10,000 pounds. Also allows for operation of Class C
and D vehicles.
Class C - ANSWER Any motor vehicle with a GVWR of more than
16,000 pounds, but less than 26,001 pounds or any such vehicle
towing another not in excess of 10,000 pounds. Also allows for
operation of Class D vehicles.
Class D - ANSWER Any motor vehicle with a GVWR of 16,000
pounds or less. Does not include A. B, C, L or M vehicles.
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Class L - ANSWER Any motor-driven cycle with less than 150cc
displacement.
Class M - ANSWER Any motor-driven cycle with more than
150cc displacement.
Class I designated state and local highways - ANSWER No overall
length limit.
Class II designated state and local highways - ANSWER No
overall length limit; however, the maximum allowable
wheelbase is 55 feet for truck tractor-semitrailer com -
binations and 65 feet for truck tractor-semitrailer-trailer
(double-bottom) com binations.
Class III highways and remainder of state highway system -
ANSWER Maximum allow - able wheelbase is 55 feet for the
truck tractor-semitrailer combinations. All other types of vehicle
combinations are limited to an overall length of 60 feet
including load.
Non-designated local streets and highways - ANSWER Maximum
overall length is 55 feet, including loads for truck tractor-