Texas Commercial Rules Test Exam
Questions And Answers 2025 Update.
The color of clearance lamps on the front of the vehicle must be? - Answer✔Amber
When backing up a large truck, you should? - Answer✔Have someone guide you
Every trailer must have how many reflectors on the rear? - Answer✔Two
When turning right with a long vehicle or combination truck-trailer, if it is impossible to stay in
the proper lane, you should? - Answer✔Approach the corner about 4 feet from the curb or
right edge of the roadway, then if necessary, complete turn in center of street entered.
Motor vehicles must be equipped with turn indicator lamps of devices if: - Answer✔The body or
load exceeds 24 inches or more to the left of the corner.
The greatest length allowed by state law for any combination truck or trailer is: - Answer✔65
feet
The youngest age for licensing commercial operators is: - Answer✔18
All school busses, busses, taxis, and other vehicles hauling passengers for hire or lease must
carry a chemical type fire extinguisher of at least: - Answer✔One court capacity
Every bus or truck must be equipped on the rear with: - Answer✔Two stop lights
The number of trailers that may be pulled by one vehicle on the open highway is determined
by: - Answer✔Length limits
Which of the following vehicles must have mud flaps when operated on public roads? -
Answer✔All vehicles with four or more tires on the rear axle except single truck trailers or pole
trailers.
The top speed limit for heavy trucks on the open highway in the daytime is: - Answer✔60 MPH
When a truck breaks down on the highway in the daytime the driver should set out: -
Answer✔Red triangles
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The greatest width allowed by state law for a truck including the load is: - Answer✔102 inches
(8 1/2 feet)
Which of the following vehicles are required by state law to stop at railroad crossings, outside
city limits where no traffic control device is in operation? - Answer✔Buses carrying passengers
for hire.
Signal turn indicators are required on motor vehicles when the body or load of the vehicle
extends to the left of the center of the steering wheel - Answer✔24 inches
The length requirements for state law for vehicles or combinations of vehicles, including
extensions over front and rear do not apply: - Answer✔Within city limits
The state law requires under normal atmospheric conditions that clearance lights be visible for:
- Answer✔900 feet
When one vehicles is towing another, the distance between the two must not be greater than: -
Answer✔15 feet
The state law requires animal drawn vehicles or any farm tractor when operated on a highway
at night to - Answer✔have a white flag on the front and two red lights on the rear.
To find out the weight limit for your particular vehicles you should consult a - Answer✔License
and weight patrolman
A city or county employee driving a city or county owned commercial vehicle while on official
duty is required to have: - Answer✔A commercial operators license
Clearance lights are required by state law for trucks or busses if the width is: - Answer✔80
inches or more
When a load extends 4 feet or more over the rear of the vehicle, what color flag must be
attached to the extreme end of the extension if driving in the daytime? - Answer✔Red
School bus drivers must be at least - Answer✔18 years old
When it is necessary to put flares around the truck, one must be placed beside the truck, the
other two must be placed: - Answer✔100 feet to the front and rear of the vehicle
When towing another vehicle with a chain or cable, what color flag must be attached to the
chain? - Answer✔White
Unless exempt by law, all rented or leased commercial vehicles must: - Answer✔Have a sign on
each side showing for whom the vehicle is being operated.
The top speed limit for a pick up truck on U.S. or state highway in the daytime is - Answer✔70
mph
When going downhill with a heavy vehicle, it is unlawful to - Answer✔Coast
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