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
Passing Score
1. When turning right onto a narrow street while operating a long vehicle, you may need to:
Explanation
If turning right onto a narrow street while operating a long vehicle, you should approach the corner as you normally would. During the turn, it may be necessary to swing to the left just enough to allow your right rear wheels to have curb clearance. You should not swing so far left that another driver could attempt to pass you on the right.
2. The load limit for a vehicle may depend on:
Explanation
Load limits vary from vehicle to vehicle. Each vehicle's limit depends on its size, the number of axles on the vehicle, the distance between the axles, and the size of the tires on the vehicle.
3. Mud flaps should be equipped within ____ of the surface of the road.
Explanation
When required on a vehicle, mud flaps or safety guards should be equipped within eight inches of the surface of the road. Safety guards or mud flaps are required behind the rear wheels of a vehicle with four or more tires on its rear axle.
4. If a chain, rope, or cable is being used to tow a vehicle, a ____ flag should also be attached.
Explanation
If a chain, rope, or cable is being used to tow a vehicle, a white flag that is at least 12 square inches should be attached to the connector. The connecting chain, rope, or cable should not be longer than 15 feet.
5. When turning right in a long vehicle, you should approach the corner at a distance of about ____ from the curb.
Explanation
When turning right in a long vehicle, such as a tractor-trailer or bus, you should make sure the rear wheels have curb clearance. To help ensure this clearance, you can approach the curb at a distance of about four feet, then turn wide to the right as soon as the front wheels pass the corner.
6. If you must make an emergency stop on the side of a roadway and your vision is obscured, you should place a warning signal between ____ behind your vehicle.
Explanation
It is important that all commercial motor vehicle drivers carry the proper emergency equipment in their vehicles at all times. If you must make an emergency stop on the side of a roadway where your vision is obscured, you should place a warning signal between 100 and 500 feet behind your vehicle.
7. A combination used exclusively to transport pipes or poles:
Explanation
