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.. Read More

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
Passing Score

15. If a semitrailer must be parked on the shoulder of a roadway where the view is obstructed, and flags are being used in the place of lighted lamps, the flags should be placed:

Explanation
If a commercial motor vehicle must be parked on the shoulder of a roadway where the view is obstructed, and flags are being used in the place of lighted lamps, the flags should be placed both in front of and behind the vehicle. The flag in the front should be 100 feet away from the vehicle, and the flag to the rear should be between 100 and 500 feet away from the vehicle.

16. You may tailgate:

Explanation
Tailgating is dangerous and can cause frustration in other drivers on the roadway. A good professional driver maintains a safe following distance of at least four seconds under ideal driving conditions, or six to eight seconds under poor conditions.

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.

Explanation
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. During the day, if your vehicle is carrying a load that extends more than four feet beyond the rear of your vehicle, you should:

Explanation
If you are driving during the day while carrying a load that extends more than four feet beyond the rear of your vehicle, you are required to attach a red flag to the rearmost point of the load. The red flag should be at least 12 square inches.

19. A motor vehicle used to transport cotton seeds may not exceed ____ in length.

Explanation
A motor vehicle used to transport cotton seeds, cotton, or equipment used to process cotton may not exceed 48 feet in length.

20. Two ____ clearance lamps are required on the top rear corners of any bus more than 80 inches in width.

Explanation
Two red clearance lamps are required on the top rear corners of any bus more than 80 inches in width. The top front corners must be equipped with two amber clearance lamps.
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