South Dakota CDL Practice Test

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🚛 South Dakota CDL Permit Practice Test Guide

Pass Your South Dakota CDL Written Test the First Time

DMV-Written-Test helps aspiring commercial drivers in South Dakota prepare for the CDL knowledge exam with accurate practice tests based on the 2025 South Dakota Commercial Driver License (CDL) Manual. These exams simulate the real test administered by the South Dakota Department of Public Safety (DPS), Driver Licensing Program.

Whether you’re applying for a Class A, B, or C CDL, our practice exams cover General Knowledge, Air Brakes, Combination Vehicles, and South Dakota-specific rules and requirements.

For official manuals, licensing requirements, and appointments, visit the South Dakota DPS CDL page:
https://dps.sd.gov/driver-licensing/commercial-drivers-license

Start your preparation today and pass your South Dakota CDL permit test with ease!

📘 What to Expect on the South Dakota CDL Knowledge Test

Aspect Details
Number of Questions 50 (General Knowledge)
Passing Score 80% (40 correct answers required)
Test Format Multiple Choice
Time Limit 60 minutes (estimated)
Minimum Age 18 (21 for interstate or HazMat)
Test Languages English, Spanish (HazMat in English only)
Endorsement Areas HazMat, Tankers, Passenger, School Bus, Air Brakes
Retake Policy Next business day (retesting fee may apply)

❓ Frequently Asked Questions

How do I qualify for a CDL permit in South Dakota?
You must be at least 18 years old, hold a valid South Dakota driver’s license, pass a vision exam, and complete the CDL General Knowledge test.
Is Entry-Level Driver Training (ELDT) required in South Dakota?
Yes. ELDT is federally required for all new CDL applicants and those seeking certain endorsements.
How long is the CDL permit valid in South Dakota?
The Commercial Learner’s Permit (CLP) is valid for 180 days and may be renewed once.
Can I take the CDL knowledge test in Spanish?
Yes. The General Knowledge test is available in Spanish. HazMat must be taken in English.
What if I fail the CDL written exam?
You may retake the exam the next business day. A retesting fee will apply.
Do I need a regular license before applying for a CDL?
Yes. You must hold a valid South Dakota driver’s license before applying for a CDL.
Are endorsement tests separate?
Yes. Each endorsement (e.g., HazMat, Passenger, Tankers) requires a separate written test.
Can I transfer a CDL to South Dakota from another state?
Yes. You must transfer your CDL within 30 days of establishing South Dakota residency.
What documents are required to apply for a CDL?
You’ll need to present proof of identity, lawful presence, Social Security number, and South Dakota residency.
Is a TSA background check required for HazMat endorsements?
Yes. A TSA background check is required for any applicant seeking a HazMat endorsement.