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Tank Endorsement Test | South Dakota 2026 #1 Page 2 of 3
Train for FREE with our South Dakota tank endorsement 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 tank license in 2026, 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 for issuing a CDL tank vehicle endorsement may vary from state to state.
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8 . Strong winds usually cause the greatest issues for:
Strong winds can make it difficult for a driver to maintain control of their vehicle. Usually, this is especially true for drivers of lighter CMVs.
9 . Drowsy driving is most common during:
Drowsy driving is most common during the night because people are naturally prone to be less alert in the hours during which they are normally asleep. If you must drive at night, take every precaution to prevent fatigued driving.
10 . If you are driving in fog, you should not:
If you must drive in fog, be sure to slow down. Turn on your flashers and low beam headlights.
11 . If a driver has stopped on the road and is placing triangles to warn other motorists:
For your own safety, when placing reflective warning triangles, you should carry them between your body and the oncoming traffic.
12 . How many daily hours of sleep does an adult need to maintain alertness?
Four to five
Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need eight to nine hours of sleep per night.
13 . Tanks have high centers of gravity, which means:
They are easy to steer.
Tank vehicles have high centers of gravity, which makes them vulnerable to rollover.
14 . If you notice hazardous materials leaking while you are driving, you should:
Drive around looking for a person to repair the leak.
If a cargo leak develops while you are carrying hazardous materials, do not continue driving any farther than safety requires. The farther you drive, the larger the contaminated area will become. You should park the vehicle, secure the area, and stay with the vehicle while sending someone else to get help.
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2026 South Dakota | Frequently Asked Questions
In South Dakota, a Commercial Driver's License (CDL) Class B is required to operate single vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, or any such vehicle towing another not in excess of 10,000 pounds. This includes buses, farm labor vehicles, and any vehicle designed to transport 16 or more passengers.
A Class B CDL in South Dakota permits you to operate single vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, or tow a vehicle not exceeding 10,000 pounds. This includes large buses, segmented buses, dump trucks with small trailers, straight trucks and delivery trucks.
To acquire a Class B CDL license in South Dakota, you must be at least 18 years old (21 if you plan to drive across state lines), have a valid South Dakota driver's license, pass a vision test, and successfully complete both the written and skills tests for the Class B CDL. You must also provide proof of your identity, social security number and South Dakota residency.
In South Dakota, you must be at least 18 years old to qualify for a Class B Commercial Driver's License (CDL). However, if you plan to drive commercial vehicles across state lines or transport hazardous materials, you must be at least 21 years old. This age requirement is consistent with federal law.
Yes, specific endorsements may be necessary depending on the type of vehicle you plan to drive or cargo you plan to carry with a Class B CDL. For example, you may need a Passenger endorsement for buses, a School Bus endorsement for school buses, or a Hazardous Materials endorsement for transporting hazardous materials. Each endorsement requires additional testing.
The Class B CDL skills assessment in South Dakota includes three parts: pre-trip inspection, basic control skills, and on-road driving. The pre-trip inspection tests your ability to assess vehicle safety. Basic control skills focus on maneuvers like backing up. Lastly, the on-road test assesses your ability to safely operate the vehicle in various traffic situations and road conditions.
Yes, there are limitations for Class B CDL license holders. They are licensed to operate vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, or a vehicle towing another vehicle not exceeding 10,000 pounds. They cannot operate Class A vehicles unless they have the appropriate endorsement. Also, interstate driving is restricted to drivers aged 21 and above.
In South Dakota, the written Class B CDL test is primarily administered in English. However, some locations may offer it in Spanish. It's important to check with the local DMV office in advance. Keep in mind that English proficiency is required to obtain a CDL, as federal regulations mandate understanding of English to drive commercial vehicles.
Yes, you can request accommodations for the Class B CDL written exam in South Dakota if you have a disability. You'll need to provide documentation of your disability and specify the type of accommodation you're requesting. South Dakota is committed to providing equal access to testing opportunities for all individuals. It's advised to make your request well in advance of your scheduled test date.
Yes, if you fail the Class B CDL written test in South Dakota, you are allowed to retake it. However, you must wait one day before retaking the test. If you fail three times, you will have to wait 60 days before attempting again. It's advisable to study thoroughly and use practice tests to prepare for your next attempt.
