21People in South Dakota practiced here todayFREE South Dakota CDL General Knowledge Practice Test 1 2026
Covers the FMCSA General Knowledge core every SD CDL applicant is tested on - 49 questions on vehicle inspection, basic control, and safe driving practices, with 39 correct to pass.
South Dakota CDL General Knowledge Practice Test 1: what to expect and what trips drivers up
Sitting behind the wheel of a rig that hauls South Dakota's corn, soybeans, and cattle is honest work, and it starts here with a free South Dakota CDL practice test. This flagship general knowledge drill is the best place to begin your 2026 prep, no login required. How many questions are on the South Dakota CDL general knowledge test? There are 50, and you must answer 40 correctly, an 80 percent score, to pass, a federal FMCSA bar that is the same in Sioux Falls as it is anywhere.
The general knowledge written exam is the test for your Commercial Learner's Permit, so a South Dakota CDL permit test and a general knowledge practice test are one and the same. Whether you plan to run grain out to the elevators along I-29 or tanker ethanol on I-90, you sit for this identical exam first. Drivers still search for a DMV CDL practice test or a CDL practice test online, and this is exactly that, built to mirror the real questions.
Use this free CDL practice test to find weak spots, then dig into the South Dakota Commercial Driver License Manual for the reasoning behind each answer. When your scores hold above 80 percent, book your CDL permit test with South Dakota Driver Licensing and go get started.
Every question traces back to the South Dakota CDL Manual - skim the right-of-way and signs chapters before your retake.
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🎓 Exam Mode - just like the real thing
- ⏱ 37-minute timer, same as your DMV
- 🙈 No hints, no instant feedback
- 🔀 Questions come in random order
- ❌ More than 10 mistakes ends the exam - like the real one
- 💾 Your practice progress on this test stays saved
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