TEXAS CDL PERMIT STUDY
QUESTIONS AND CORRECT
ANSWERS
What are the vehicle size and weight requirements for class A B and C Driver license?
✅✅CORRECT ANSW-A - 26,001 and up or a trailer over 10,000 B- 26,001 and up or a trailer 10,000
or less C- 10,000 or less or a trailer 20,000
What should be the first action of the driver of a disabled truck or bus? ✅✅CORRECT ANSW-Put
out the proper flares, flags, or reflectors
Where should flares be placed around a truck when necessary? ✅✅CORRECT ANSW-On a 2-way
10 in front, 100 behind on a divided highway 10 inch front 100 to 200 behind. Low vision 100 to 500
feet behind
What are the height limits between which reflectors must be mounted? ✅✅CORRECT ANSW-At
least 24 inches high and no more than 60 inches high
What color should clearance lamps, side marker lamps, or reflectors mounted on or near the front of
a vehicle be? ✅✅CORRECT ANSW-Amber
What is the maximum speed limit for heavy trucks on the freeway at night? ✅✅CORRECT ANSW-
65, same as cars
What should you do when going down a steep grade in a heavy vehicle? ✅✅CORRECT ANSW-Use
a low gear
What should you do when turning right in a vehicle which is too large to turned by staying on the
proper lane? ✅✅CORRECT ANSW-As soon as the front wheels pass the corner, turn wide to right.
How can farm tractors meet lighting requirements when operating on the highway at night?
✅✅CORRECT ANSW-Visible 1,000 ft. from the front 2 red lights, visible 1,000 ft. from the back,
and 2 red reflectors from the back
, What is the greatest height allowed by state law for a vehicle including its load? ✅✅CORRECT
ANSW-14 Ft.
What is the greatest weight allowed by state law for a vehicle including its load? ✅✅CORRECT
ANSW-80,000 pounds
What should be the greatest distance between two vehicles when one vehicle is towing the other?
✅✅CORRECT ANSW-15 Ft.
What should you do when hauling equipment that is wider, heavier, or longer than the law permits?
✅✅CORRECT ANSW-Obtain an oversize/overweight permit
When are turn indicator signals required on a vehicle? ✅✅CORRECT ANSW-All vehicles unless
manufactured prior to 1960
Outside the city limits, what type of vehicle must stop at all railroad crossings? ✅✅CORRECT
ANSW-Buses carrying passengers for hire
What type of vehicles are required to have mud flaps? ✅✅CORRECT ANSW-Truck/Trailor with 4
or more tires on rear axles
What is the maximum speed limit for a taxi cab on a numbered U.S. or state highway during the day?
✅✅CORRECT ANSW-70 (same as cars)
What is the maximum speed limit for motorbuses at night on numbered U.S. and state highways
✅✅CORRECT ANSW-65 (same as cars) 55 for school buses
What is the greatest width ordinarily allowed by state law for a vehicle on the highway?
✅✅CORRECT ANSW-102 inches
Flashing lights are permitted on what types of vehicles? ✅✅CORRECT ANSW-Emergency vehicles,
highway maintenance equipment, snow removal equipment, church buses, school buses, tow trucks
QUESTIONS AND CORRECT
ANSWERS
What are the vehicle size and weight requirements for class A B and C Driver license?
✅✅CORRECT ANSW-A - 26,001 and up or a trailer over 10,000 B- 26,001 and up or a trailer 10,000
or less C- 10,000 or less or a trailer 20,000
What should be the first action of the driver of a disabled truck or bus? ✅✅CORRECT ANSW-Put
out the proper flares, flags, or reflectors
Where should flares be placed around a truck when necessary? ✅✅CORRECT ANSW-On a 2-way
10 in front, 100 behind on a divided highway 10 inch front 100 to 200 behind. Low vision 100 to 500
feet behind
What are the height limits between which reflectors must be mounted? ✅✅CORRECT ANSW-At
least 24 inches high and no more than 60 inches high
What color should clearance lamps, side marker lamps, or reflectors mounted on or near the front of
a vehicle be? ✅✅CORRECT ANSW-Amber
What is the maximum speed limit for heavy trucks on the freeway at night? ✅✅CORRECT ANSW-
65, same as cars
What should you do when going down a steep grade in a heavy vehicle? ✅✅CORRECT ANSW-Use
a low gear
What should you do when turning right in a vehicle which is too large to turned by staying on the
proper lane? ✅✅CORRECT ANSW-As soon as the front wheels pass the corner, turn wide to right.
How can farm tractors meet lighting requirements when operating on the highway at night?
✅✅CORRECT ANSW-Visible 1,000 ft. from the front 2 red lights, visible 1,000 ft. from the back,
and 2 red reflectors from the back
, What is the greatest height allowed by state law for a vehicle including its load? ✅✅CORRECT
ANSW-14 Ft.
What is the greatest weight allowed by state law for a vehicle including its load? ✅✅CORRECT
ANSW-80,000 pounds
What should be the greatest distance between two vehicles when one vehicle is towing the other?
✅✅CORRECT ANSW-15 Ft.
What should you do when hauling equipment that is wider, heavier, or longer than the law permits?
✅✅CORRECT ANSW-Obtain an oversize/overweight permit
When are turn indicator signals required on a vehicle? ✅✅CORRECT ANSW-All vehicles unless
manufactured prior to 1960
Outside the city limits, what type of vehicle must stop at all railroad crossings? ✅✅CORRECT
ANSW-Buses carrying passengers for hire
What type of vehicles are required to have mud flaps? ✅✅CORRECT ANSW-Truck/Trailor with 4
or more tires on rear axles
What is the maximum speed limit for a taxi cab on a numbered U.S. or state highway during the day?
✅✅CORRECT ANSW-70 (same as cars)
What is the maximum speed limit for motorbuses at night on numbered U.S. and state highways
✅✅CORRECT ANSW-65 (same as cars) 55 for school buses
What is the greatest width ordinarily allowed by state law for a vehicle on the highway?
✅✅CORRECT ANSW-102 inches
Flashing lights are permitted on what types of vehicles? ✅✅CORRECT ANSW-Emergency vehicles,
highway maintenance equipment, snow removal equipment, church buses, school buses, tow trucks
