Texas Commercial Rules
Texas Commercial Rules Exam Latest Questions
with Correct Detailed Answers 2025
What types of lamps and reflectors are required on the front of a trailer <80" in width? -
Correct Answer ✔None
If you wish to transport something longer and heavier than the law allows, what must
you obtain? -Correct Answer ✔A special permit for that load
If you wish to move a house at night, what must you attach to the house? -Correct
Answer ✔3 flares, 3 red electric lanterns, or 3 reflectors
If you wish to move a house at night, when must you attach the flares and such? -
Correct Answer ✔30 minutes before sunset/sunrise
What must you attach to a house if you wish to move it on a truck? -Correct Answer
✔Two red flags
What types of transports cannot use flares at any time? What must they use instead? -
Correct Answer ✔Explosives, tank trucks moving flammable liquids, compressed
flammable gas, or any motor vehicle using compressed gas. Red reflectors
What size vehicle requires a driver to turn on their flashers when stopped on a roadway
or shoulder? When do they not need to turn them on? -Correct Answer ✔80 inches in
width or 30 feet in length. Within city limits, picking up, or dropping off passengers
How big of a fire extinguisher are passenger vehicles required to legally carry? -Correct
Answer ✔at least 1 quart
What inch ranges must reflectors be mounted on pole trailers and other CMVs which
are 80 inches or wider? -Correct Answer ✔No less than 24 inches, but no more than 60
inches in height above the ground
What vehicles can be exempt from lighting requirements? -Correct Answer ✔Farm;
fertilizer; and boat trailers, mobile homes being moved
How many clearance lamps are supposed to be on the front of buses or trucks >80" in
width? What color? -Correct Answer ✔Two Amber clearance lamps
What types of lamps and reflectors are required on the back of trucks or buses >80" in
width? What colors? -Correct Answer ✔Two red clearance lamps, two red tail lamps,
two red stop lamps, two red reflectors, two electric turn signals (amber to red color), one
license plate lamp
Texas Commercial Rules
, Texas Commercial Rules
What types of lamps and reflectors are required on the side of trucks and buses >80" in
width? -Correct Answer ✔One red side marker lamp, One red reflector, One Amber side
marker lamp, and one Amber reflector
What types of lamps and reflectors are required on the front of a truck-tractor (no
trailer)? -Correct Answer ✔Two Amber clearance lamps, two head lamps, two electric
turn signals
What types of lamps and reflectors are required on the back of a truck-tractor (no
trailer)? -Correct Answer ✔Two red tail lamps, two red stop lamps, two red reflectors,
two electric turn signals
What types of lamps and reflectors are required on the side of a truck-tractor (no
trailer)? -Correct Answer ✔None
What types of lamps and reflectors are required on the front of a trailer >80" in width? -
Correct Answer ✔Two Amber clearance lamps
What types of lamps and reflectors are required on the back of a trailer >80" in width? -
Correct Answer ✔Two red clearance lamps, two red tail lamps, two red stop lamps, two
red reflectors, electric turn signals, license plate lamp
What types of lamps and reflectors are required on the side of a trailer >80" in width? -
Correct Answer ✔One red side marker, Two Amber side marker lamps, One red
reflector, two Amber reflectors
What types of lamps and reflectors are required on the front of a trailer <80" in width? -
Correct Answer ✔None
What types of lamps and reflectors are required on the rear of a trailer <80" in width? -
Correct Answer ✔Two red tail lamps, two red stop lamps, two red reflectors, electric turn
signals, one license plate lamp
What types of lamps and reflectors are required on the side of a trailer <80" in width? -
Correct Answer ✔None
What types of lamps and reflectors are required on the front of a pole trailer? -Correct
Answer ✔None
What types of lamps and reflectors are required on the side of a pole trailer? -Correct
Answer ✔One Amber side marker lamp, One Amber reflector, a combination lamp
showing Amber to the front; red to the side; and red to the rear
Texas Commercial Rules
Texas Commercial Rules Exam Latest Questions
with Correct Detailed Answers 2025
What types of lamps and reflectors are required on the front of a trailer <80" in width? -
Correct Answer ✔None
If you wish to transport something longer and heavier than the law allows, what must
you obtain? -Correct Answer ✔A special permit for that load
If you wish to move a house at night, what must you attach to the house? -Correct
Answer ✔3 flares, 3 red electric lanterns, or 3 reflectors
If you wish to move a house at night, when must you attach the flares and such? -
Correct Answer ✔30 minutes before sunset/sunrise
What must you attach to a house if you wish to move it on a truck? -Correct Answer
✔Two red flags
What types of transports cannot use flares at any time? What must they use instead? -
Correct Answer ✔Explosives, tank trucks moving flammable liquids, compressed
flammable gas, or any motor vehicle using compressed gas. Red reflectors
What size vehicle requires a driver to turn on their flashers when stopped on a roadway
or shoulder? When do they not need to turn them on? -Correct Answer ✔80 inches in
width or 30 feet in length. Within city limits, picking up, or dropping off passengers
How big of a fire extinguisher are passenger vehicles required to legally carry? -Correct
Answer ✔at least 1 quart
What inch ranges must reflectors be mounted on pole trailers and other CMVs which
are 80 inches or wider? -Correct Answer ✔No less than 24 inches, but no more than 60
inches in height above the ground
What vehicles can be exempt from lighting requirements? -Correct Answer ✔Farm;
fertilizer; and boat trailers, mobile homes being moved
How many clearance lamps are supposed to be on the front of buses or trucks >80" in
width? What color? -Correct Answer ✔Two Amber clearance lamps
What types of lamps and reflectors are required on the back of trucks or buses >80" in
width? What colors? -Correct Answer ✔Two red clearance lamps, two red tail lamps,
two red stop lamps, two red reflectors, two electric turn signals (amber to red color), one
license plate lamp
Texas Commercial Rules
, Texas Commercial Rules
What types of lamps and reflectors are required on the side of trucks and buses >80" in
width? -Correct Answer ✔One red side marker lamp, One red reflector, One Amber side
marker lamp, and one Amber reflector
What types of lamps and reflectors are required on the front of a truck-tractor (no
trailer)? -Correct Answer ✔Two Amber clearance lamps, two head lamps, two electric
turn signals
What types of lamps and reflectors are required on the back of a truck-tractor (no
trailer)? -Correct Answer ✔Two red tail lamps, two red stop lamps, two red reflectors,
two electric turn signals
What types of lamps and reflectors are required on the side of a truck-tractor (no
trailer)? -Correct Answer ✔None
What types of lamps and reflectors are required on the front of a trailer >80" in width? -
Correct Answer ✔Two Amber clearance lamps
What types of lamps and reflectors are required on the back of a trailer >80" in width? -
Correct Answer ✔Two red clearance lamps, two red tail lamps, two red stop lamps, two
red reflectors, electric turn signals, license plate lamp
What types of lamps and reflectors are required on the side of a trailer >80" in width? -
Correct Answer ✔One red side marker, Two Amber side marker lamps, One red
reflector, two Amber reflectors
What types of lamps and reflectors are required on the front of a trailer <80" in width? -
Correct Answer ✔None
What types of lamps and reflectors are required on the rear of a trailer <80" in width? -
Correct Answer ✔Two red tail lamps, two red stop lamps, two red reflectors, electric turn
signals, one license plate lamp
What types of lamps and reflectors are required on the side of a trailer <80" in width? -
Correct Answer ✔None
What types of lamps and reflectors are required on the front of a pole trailer? -Correct
Answer ✔None
What types of lamps and reflectors are required on the side of a pole trailer? -Correct
Answer ✔One Amber side marker lamp, One Amber reflector, a combination lamp
showing Amber to the front; red to the side; and red to the rear
Texas Commercial Rules
