Double Triple Test | South Dakota 2025 #2

Train for FREE with our South Dakota CDL double triple practice test online. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a SD CDL double triple license in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that DMV requirements may vary from state to state.

Number of Question 20

Passing Score 16

Number of Tests 20

1 . The “crack-the-whip” effect for doubles and triples is:

Never a problem.

Only a problem if it is raining.

A serious concern.

Rarely an issue.

The "crack-the-whip" effect can cause a trailer to turn over during a lane change. To avoid this phenomenon, drivers should make lane changes at slow, safe speeds. Double and triple combinations are the most vulnerable to this effect.

2 . When conducting a check of the engine compartment during a vehicle inspection, you should not:

Check the engine oil level.

Check the coolant level.

Drain the brake fluid.

When inspecting the engine compartment, you should check the oil level, coolant level, and windshield washer fluid level, among other things.

3 . Before beginning to drive downhill, you should:

Take your vehicle out of gear.

Shift into a lower gear.

Move into the left lane.

To avoid overusing your brakes, you should always shift into a lower gear before starting down a hill.

4 . Which of the following is a good rule to follow when making a turn?

Honk your horn.

Use your arms to get the attention of other drivers.

Turn off your turn signal before entering the turn to avoid confusing other drivers.

Signal early.

Signal well in advance of a turn so drivers behind you are aware of your intentions. Keep the signal on throughout the turn and turn it off once the turn is complete.

5 . When nearing a construction worker who is close to the road, you should:

Increase your speed.

Decrease your speed.

Not drive in any lane.

Wait until the construction is complete before proceeding.

When driving through work zones, you should make a particular point of reducing your speed when workers are on or near the road.

6 . The trailer hand valve should not be used while you are driving because:

It will disconnect from the vehicle.

You will stop the vehicle too quickly.

It can cause a skid.

Never use the trailer hand valve while operating your vehicle. Using the trailer hand valve while driving can cause your trailer to skid.

7 . Texting while driving a CMV is:

Acceptable if the text is work-related.

Acceptable if there are fewer than 10 words in the text message.

Encouraged because it is safer than talking on the phone.

Prohibited.

Texting while driving a commercial motor vehicle is both illegal and dangerous. Manually entering text into or reading text from any electronic device is considered texting.

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2025 South Dakota | Frequently Asked Questions

To secure a CDL Bus endorsement in South Dakota, you need to pass a knowledge test on bus safety regulations. Also, you must pass a skills test in a bus similar to the one you'll be driving. You will need to have a valid South Dakota CDL and meet all physical and age requirements. Training programs are available to help prepare for these tests.

To obtain a CDL Bus License in South Dakota, you need to have a valid South Dakota driver's license, be at least 21 years old, and pass both a written knowledge test and a skills test. You must also complete a physical examination by a DOT-approved medical examiner. Training programs are available to help you prepare for the tests.

Yes, specific training is necessary for a CDL Bus endorsement in South Dakota. Applicants must complete a CDL training course focused on bus driving. This includes learning about vehicle inspection, basic vehicle control, and on-road driving. After the training, you'll need to pass written and skills tests to obtain the endorsement.

CDL Bus Licenses fall into three main classifications: Class A, Class B, and Class C. A Class A CDL is for vehicles over 26,001 lbs. with trailers over 10,000 lbs. A Class B CDL is for vehicles over 26,001 lbs. with trailers less than 10,000 lbs. A Class C CDL is for vehicles designed to transport 16 or more passengers (including the driver).

No, you cannot use your personal vehicle for the CDL Bus driving test in South Dakota. The vehicle used for the test must match the class and type of vehicle you plan to drive with your CDL. This means it must be a commercial bus of the appropriate size and passenger capacity.

During the CDL Bus driving test, you'll be evaluated on specific skills including pre-trip vehicle inspection, basic vehicle control, and on-road driving. You may be required to demonstrate maneuvers like turning, merging, backing up, and parking. Also, you'll be tested on handling railroad crossings and emergency situations. Safe loading/unloading procedures for passengers are also assessed.

Yes, there are additional medical prerequisites for a CDL Bus endorsement in South Dakota. Applicants must pass a Department of Transportation (DOT) physical examination every 24 months. This exam checks vision, hearing, blood pressure, and evaluates overall physical ability to ensure the driver can safely operate a commercial vehicle. Some conditions may disqualify a person from obtaining a CDL.

No, it is not permissible to transport passengers without a valid CDL Bus endorsement in South Dakota. Driving a commercial vehicle that carries 16 or more passengers, including the driver, requires a CDL with a Passenger (P) endorsement. Operating such vehicle without the proper license and endorsement can result in significant fines and penalties.

In South Dakota, the CDL Bus endorsement can be added to your existing license. You don't need to apply for a new license. However, you must pass the Passenger Transport Test and a skills test in a passenger vehicle. After passing these tests and paying the necessary fees, the endorsement will be added to your CDL.

Yes, there are restrictions for drivers with a CDL Bus endorsement in South Dakota. Drivers must maintain a clean driving record, pass regular physical examinations, and comply with drug and alcohol testing. They are also subject to hours-of-service regulations, which limit the number of consecutive hours they can drive without rest breaks. Violations can result in loss of CDL privileges.