TEXAS COMMERCIAL VEHICLE END OF COURSE 2025/2026
QUESTIONS AND ANSWERS RATED A+
✔✔Speed limit for heavy trucks - ✔✔The speed limit for heavy trucks on open road in
daylight should be 70 miles per hour.
✔✔Maximum width allowed for trucks - ✔✔The greater width allowed by state law for a
truck including its cargo is 102 inches.
✔✔Stop lights requirement for vehicles - ✔✔Each bus or truck manufactured after
model year 1959 must be equipped on the back with two stop lights.
✔✔Color requirement for clearance lights - ✔✔Clearance lights must be colored Amber.
✔✔Fender requirement for public road vehicles - ✔✔All vehicles with 4 or more tires on
the rear axle, except pole trailers, should have fenders when operated on public roads.
✔✔Flags requirement for breakdowns - ✔✔When a truck breaks down on a road in the
daytime, the driver should place two approved red flags.
✔✔Maximum distance for towing vehicles - ✔✔When a vehicle is towing another, the
distance between the two should not be greater than 15 ft.
✔✔Largest length for single motor vehicle - ✔✔The largest length allowed by state law
for a single motor vehicle other than a truck tractor is 45 ft.
✔✔License requirement for heavy vehicles - ✔✔A single vehicle with a gross weight
exceeding 26,000 lbs requires a Class B driver's license.
✔✔Length requirements exemption - ✔✔The length requirements of state law for
vehicles or vehicle combinations, including extensions at the front and rear, do not apply
within the city limits.
✔✔Tax collector and evaluator - ✔✔For details on the registration of your particular
vehicle, please consult.
✔✔Night road vehicle lighting - ✔✔Vehicles with animals label operating on a 'night
road' must conform to state lighting laws: one light (front), two red lights (rear).
✔✔Leasing contract - ✔✔When necessary, must be filled with the department of public
safety.
✔✔Height lights requirement - ✔✔The height lights are required by state law for trucks
or buses if the width is 80 inches or more.
, ✔✔Commercial vehicle signage - ✔✔Unless exempt by the law, commercial vehicles
must have a sign on each side of the vehicle showing who is operating.
✔✔Bus license requirement - ✔✔A bus with a capacity of 30 passengers requires a
license class B.
✔✔Flag color for load extension - ✔✔When a load extends more than 4 ft over the back
of a vehicle, a red color flag should be attached to the back of most of the extension
during the day.
✔✔Flag color for towing - ✔✔When towing another vehicle with a chain or cable, a
white flag should be attached to the chain.
✔✔Flares placement for disabled vehicle - ✔✔When it is necessary to place flares
around a truck on a two-way road with a clear vision, one should be placed next to the
truck, the other two should be placed 100 ft to the front and rear of the vehicle.
✔✔Illegal vehicle modifications - ✔✔To avoid road damage, it is illegal to operate any
motor vehicle with poles or spikes on wheels.
✔✔Commercial truck downhill operation - ✔✔When going down a hill or slope with a
commercial truck, it is illegal to coast or let it go.
✔✔Speed limit for pick-up truck - ✔✔The speed limit for a pick-up truck with a load
capacity of 2,000 pounds or less on state highways is 70 miles per hour.
✔✔First action for disabled truck driver - ✔✔The first thing the driver of a disabled truck
or bus should do is set flares, reflectors or flags.
✔✔Lower gear requirement - ✔✔Before lowering a steep grade with a commercial
vehicle, one must change to lower gear.
✔✔DOT permit for oversized load - ✔✔To transport a load or move the equipment that
is wider, heavier or more than the law allows, one should get a DOT permit.
✔✔Purpose of registration documents - ✔✔A purpose of requiring registration
documents on trucks at all times is to show the weight of the empty truck and how much
weight is registered to load.
✔✔Agricultural tractor lighting compliance - ✔✔Each agricultural tractor manufactured
after January 1, 1972, complies with state lighting laws by having two clearance lights.
QUESTIONS AND ANSWERS RATED A+
✔✔Speed limit for heavy trucks - ✔✔The speed limit for heavy trucks on open road in
daylight should be 70 miles per hour.
✔✔Maximum width allowed for trucks - ✔✔The greater width allowed by state law for a
truck including its cargo is 102 inches.
✔✔Stop lights requirement for vehicles - ✔✔Each bus or truck manufactured after
model year 1959 must be equipped on the back with two stop lights.
✔✔Color requirement for clearance lights - ✔✔Clearance lights must be colored Amber.
✔✔Fender requirement for public road vehicles - ✔✔All vehicles with 4 or more tires on
the rear axle, except pole trailers, should have fenders when operated on public roads.
✔✔Flags requirement for breakdowns - ✔✔When a truck breaks down on a road in the
daytime, the driver should place two approved red flags.
✔✔Maximum distance for towing vehicles - ✔✔When a vehicle is towing another, the
distance between the two should not be greater than 15 ft.
✔✔Largest length for single motor vehicle - ✔✔The largest length allowed by state law
for a single motor vehicle other than a truck tractor is 45 ft.
✔✔License requirement for heavy vehicles - ✔✔A single vehicle with a gross weight
exceeding 26,000 lbs requires a Class B driver's license.
✔✔Length requirements exemption - ✔✔The length requirements of state law for
vehicles or vehicle combinations, including extensions at the front and rear, do not apply
within the city limits.
✔✔Tax collector and evaluator - ✔✔For details on the registration of your particular
vehicle, please consult.
✔✔Night road vehicle lighting - ✔✔Vehicles with animals label operating on a 'night
road' must conform to state lighting laws: one light (front), two red lights (rear).
✔✔Leasing contract - ✔✔When necessary, must be filled with the department of public
safety.
✔✔Height lights requirement - ✔✔The height lights are required by state law for trucks
or buses if the width is 80 inches or more.
, ✔✔Commercial vehicle signage - ✔✔Unless exempt by the law, commercial vehicles
must have a sign on each side of the vehicle showing who is operating.
✔✔Bus license requirement - ✔✔A bus with a capacity of 30 passengers requires a
license class B.
✔✔Flag color for load extension - ✔✔When a load extends more than 4 ft over the back
of a vehicle, a red color flag should be attached to the back of most of the extension
during the day.
✔✔Flag color for towing - ✔✔When towing another vehicle with a chain or cable, a
white flag should be attached to the chain.
✔✔Flares placement for disabled vehicle - ✔✔When it is necessary to place flares
around a truck on a two-way road with a clear vision, one should be placed next to the
truck, the other two should be placed 100 ft to the front and rear of the vehicle.
✔✔Illegal vehicle modifications - ✔✔To avoid road damage, it is illegal to operate any
motor vehicle with poles or spikes on wheels.
✔✔Commercial truck downhill operation - ✔✔When going down a hill or slope with a
commercial truck, it is illegal to coast or let it go.
✔✔Speed limit for pick-up truck - ✔✔The speed limit for a pick-up truck with a load
capacity of 2,000 pounds or less on state highways is 70 miles per hour.
✔✔First action for disabled truck driver - ✔✔The first thing the driver of a disabled truck
or bus should do is set flares, reflectors or flags.
✔✔Lower gear requirement - ✔✔Before lowering a steep grade with a commercial
vehicle, one must change to lower gear.
✔✔DOT permit for oversized load - ✔✔To transport a load or move the equipment that
is wider, heavier or more than the law allows, one should get a DOT permit.
✔✔Purpose of registration documents - ✔✔A purpose of requiring registration
documents on trucks at all times is to show the weight of the empty truck and how much
weight is registered to load.
✔✔Agricultural tractor lighting compliance - ✔✔Each agricultural tractor manufactured
after January 1, 1972, complies with state lighting laws by having two clearance lights.
