All your missed questions are saved automatically for extra practice.
Already in Your Challenge Bank!™
It's a practice test that's automatically made up of all your missed questions. Once you finish this test, you’ll be able to revisit your Challenge Bank™ to practice and sharpen your skills.
Adding difficult questions to Challenge Bank™ is an exclusive Premium feature. Unlock access to 650+ exam-like questions, a Pass Guarantee, personalized study plans, and more.
Customize your test experience — adjust the view, turn on voice-over, add background music, or switch the language.
Advertisement
0 (5mistakes allowed to pass)
SD CDL Combination Vehicles Practice Test 4 2025
Average pass rate for CDL tests in South Dakota: 66%.
Average pass rate for this test: 73%.
Easy
10 min
Score distribution:
90-100
=>
0%
80-89
=>
0%
70-79
=>
0%
60-69
=>
0%
<60%
=>
100%
Avg. first-try score: 56%
Evaluate your understanding of combination vehicles with our South Dakota CDL Combination Vehicles Practice Tests. They are designed by our experts to help aspiring commercial drivers like you understand how to safely operate semi-trucks and tractor-trailers. You will learn jackknife and skid prevention, pre-trip inspections specific to combination vehicles, and commercial driving regulations. The practice test that you’re about to take is based on the official Commercial Driver License Manual (South Dakota CDL Handbook 2025), specifically Section 6 (Combination Vehicles). You must score 80% or higher to pass.
Updated for December 2025, this practice test accurately reflects the latest updates brought by DMV rules or state law. You will always practice with the latest version. However, you should visit the official DMV website for the most up-to-date information. During your training sessions, our helpful AI coach will be ready to assist you. “Officer Frank” can provide hints that nudge you in the right direction without revealing the correct answers. Additionally, he can address any questions you have about combination vehicles.
Based on the official SD CDL HandbookHandbook‑based (2025) + exam‑taker feedback
Questions are created and maintained by the Driving-Tests.org content team following our multi-layer editorial process and updated whenever the South DakotaDMV changes its handbook or website information. Official sources we check:
Some students tend to panic during timed tests. They rush under the pressure of a countdown and make avoidable mistakes that ruin their test performance. This practice test is not timed, so you can finish each training session at your own pace. We provide a safe testing environment to anyone struggling with test anxiety. Train as often as possible, and you’ll naturally become more comfortable with this experience. As long as you’re not in private browsing mode (such as Incognito mode in Google Chrome), your progress will get automatically saved. If you cannot finish an active practice session in one sitting, you can continue it later from the last question you answered.
So what’s it like driving a semi-truck in South Dakota? You will cruise on long, open highways with light traffic as you make deliveries across the state and beyond its borders. Beginner drivers should be cautious of strong crosswinds, severe winter conditions, and frequent encounters with farm equipment on secondary roads. Our Free South Dakota CDL Permit Practice Test will help you master general commercial driving theory and its various aspects. Use it to become a better driver and prepare for real-world driving challenges.
We know what it takes to pass. And we’ve got the proof.
Driver’s Ed is - nobody wants to set foot inside the DMV. That’s why millions of learners trust us for simple, visual, effective prep.
An official & trusted partner in driver education
We are an officially recognized FMCSA Entry-Level Driver Training provider and a proud partner to over 2,500 libraries. We work with safety organizations like GHSA and the National Safety Council to help create safer roads for everyone.
A smarter way to study
Challenge Bank™
Our trademarked system automatically saves questions you miss, creating personalized tests that target your weak spots until you’ve mastered the material.
AI-powered feedback
Get smarter as you study. Our new AI-powered feedback provides detailed, question-level insights to help you understand the why behind each answer.
Interactive handbook
Go beyond the boring black-and-white manual. Our interactive handbook lets you read, listen with an MP3 audio version, or even chat with it to find the information you need, faster.
Sources & methodology
We build our practice questions from the current 2025 SD Driver Handbook and refine them using patterns recent test‑takers report.
What we use
Driver handbook • Knowledge‑test/permit overview • Fees & ID requirements • Office/appointment info
How we make exam‑like questions
We mirror recurring themes (e.g., right‑of‑way traps, sign look‑alikes) and use similar distractors and wording styles.
What we don’t do
We don’t collect or publish actual test items and we’re not affiliated with DMV.