ILLINOIS CLASS C CDL 2026 ACTUAL TEST
PAPER ANSWERS COMPLETE GRADED A+
⩥ What is the maximum overall length for a semitrailer, including the
load?
Answer: 53 feet.
⩥ On Class I and II highways, what is the maximum distance allowed
from the kingpin to the rear axle for semitrailers over 48 feet?
Answer: 45 feet, 6 inches.
⩥ What is the maximum length for a semitrailer or trailer in a double-
bottom combination on Class I and II highways?
Answer: 28 feet, 6 inches.
⩥ On Class III highways, what is the maximum overall length for
tractor-semitrailer combinations?
Answer: 65 feet.
⩥ On Class III highways, what is the maximum kingpin-to-rear-axle
distance for semitrailers over 48 feet?
Answer: 42 feet, 6 inches.
,⩥ What is the maximum overall length for a truck tractor-semitrailer
combination on non-designated local streets?
Answer: 55 feet.
⩥ What is the maximum overall length for vehicle combinations other
than truck tractor-semitrailers on non-designated local streets?
Answer: 60 feet.
⩥ What takes priority over GPS navigation instructions?
Answer: Traffic and safety laws, road conditions, and street signs.
⩥ What are the length exceptions for transporting structural objects like
poles or pipes?
Answer: Daytime transport is exempt from length limits if the object is
not easily dismembered, the object is 80 feet or less, and the total
vehicle/load length is 100 feet or less, excluding Saturdays, Sundays,
and legal holidays.
⩥ What is the maximum length for stinger-steered auto transporters on
Class I and II highways?
Answer: 80 feet, plus an additional 4 feet of front overhang and 6 feet of
rear overhang.
, ⩥ What is the maximum length for conventional auto transporters on
Class I and II highways?
Answer: 65 feet plus overhang.
⩥ What is the maximum length for conventional auto transporters on all
other streets and highways?
Answer: 60 feet.
⩥ What access distance do large vehicles have on Class I highways to
reach facilities?
Answer: 1 mile from the highway to points of loading/unloading or
facilities for food, fuel, rest, and repair.
⩥ What is the maximum height allowed for all vehicles on all highways?
Answer: 13 feet, 6 inches, measured from the underside of the tire to the
top of the vehicle.
⩥ What is the weight limit for a single axle?
Answer: 20,000 pounds.
⩥ What is the weight limit for a tandem axle?
Answer: 34,000 pounds.
PAPER ANSWERS COMPLETE GRADED A+
⩥ What is the maximum overall length for a semitrailer, including the
load?
Answer: 53 feet.
⩥ On Class I and II highways, what is the maximum distance allowed
from the kingpin to the rear axle for semitrailers over 48 feet?
Answer: 45 feet, 6 inches.
⩥ What is the maximum length for a semitrailer or trailer in a double-
bottom combination on Class I and II highways?
Answer: 28 feet, 6 inches.
⩥ On Class III highways, what is the maximum overall length for
tractor-semitrailer combinations?
Answer: 65 feet.
⩥ On Class III highways, what is the maximum kingpin-to-rear-axle
distance for semitrailers over 48 feet?
Answer: 42 feet, 6 inches.
,⩥ What is the maximum overall length for a truck tractor-semitrailer
combination on non-designated local streets?
Answer: 55 feet.
⩥ What is the maximum overall length for vehicle combinations other
than truck tractor-semitrailers on non-designated local streets?
Answer: 60 feet.
⩥ What takes priority over GPS navigation instructions?
Answer: Traffic and safety laws, road conditions, and street signs.
⩥ What are the length exceptions for transporting structural objects like
poles or pipes?
Answer: Daytime transport is exempt from length limits if the object is
not easily dismembered, the object is 80 feet or less, and the total
vehicle/load length is 100 feet or less, excluding Saturdays, Sundays,
and legal holidays.
⩥ What is the maximum length for stinger-steered auto transporters on
Class I and II highways?
Answer: 80 feet, plus an additional 4 feet of front overhang and 6 feet of
rear overhang.
, ⩥ What is the maximum length for conventional auto transporters on
Class I and II highways?
Answer: 65 feet plus overhang.
⩥ What is the maximum length for conventional auto transporters on all
other streets and highways?
Answer: 60 feet.
⩥ What access distance do large vehicles have on Class I highways to
reach facilities?
Answer: 1 mile from the highway to points of loading/unloading or
facilities for food, fuel, rest, and repair.
⩥ What is the maximum height allowed for all vehicles on all highways?
Answer: 13 feet, 6 inches, measured from the underside of the tire to the
top of the vehicle.
⩥ What is the weight limit for a single axle?
Answer: 20,000 pounds.
⩥ What is the weight limit for a tandem axle?
Answer: 34,000 pounds.
