Instructions

Special Requirements

All CDL applicants in Texas must pass a Commercial Rules test before they will be permitted to take any other CDL application tests. The Commercial Rules test is based on the information found in Section 14 of the Texas Commercial Motor Vehicle Drivers Handbook. This section covers special requirements for CMV drivers in the state of Texas, including lighting requirements, size and weight restrictions, and rules to enhance a driver’s safety. The test is made up of 20 multiple-choice questions, and applicants will need to correctly answer a minimum of 16 questions to pass.

Number of Question 20

Passing Score 16

15. If their vehicle becomes disabled, a truck driver should ____ before doing anything else.

Put out the proper warning signals

Wave to other drivers for help

Call their employer

Walk to the nearest exit and find help

It is important for CMV drivers to ensure they are carrying proper emergency equipment at all times. If a truck becomes disabled while being driven on a highway, the first thing the driver should do is communicate with other drivers on the road by using the proper flares, flags, or reflectors.

16. The rear of every truck, semitrailer, pole trailer, and bus is required to display:

Four red reflectors.

Two red reflectors.

Four amber reflectors.

Two green reflectors.

Two red reflectors should be attached to the rear of any truck, truck tractor, semitrailer, pole trailer, or bus at a height of 24 to 60 inches. These reflectors may be combined with the taillights.

17. If you are driving at night and are hauling a load that extends more than four feet past the rear of your vehicle, you should attach ____ to the rearmost point of the load.

A red flag

A yellow reflector

A red light

A white flashing light

At night, if you are hauling a load that extends more than four feet beyond the rear of the vehicle, you are required to attach a burning red light to the rearmost point of the load. The light must be visible for at least 500 feet.

18. When transporting loose materials on a flatbed trailer, a driver should make sure the load is:

Covered entirely by a canvas or tarp.

Strapped to the bed of the trailer by rope or cable.

Chained securely to the bed of the truck.

Adhered to the bed of the truck.

When operating a flatbed trailer to transport a load of loose materials, such as gravel or sand, the driver must make sure that the materials will not spill or blow onto the roadway. To do this, the driver should securely cover the load entirely with a tarp, canvas, or other covering.

19. Drive below the posted speed limit when:

You see a police car.

Driving on a highway where there are other cars.

Anything makes conditions less than perfect.

You are on a four-lane road.

It is dangerous to drive at a speed too fast for conditions, regardless of the posted speed limit. Any time conditions are less than perfect, you should adjust your speed and following distance.

20. The connection between two vehicles when one is being towed should be no longer than:

15 feet.

13 feet.

11 feet.

10 feet.

Generally, when one vehicle is being towed by another, the cable, chain, rope, drawbar, or other connection should not be any longer than 15 feet. This limit does not apply to pole trailers.

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