South Carolina CDL Practice Test

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🚛 South Carolina CDL Permit Practice Test Guide

Pass Your South Carolina CDL Written Test the First Time

DMV-Written-Test helps commercial driver applicants in South Carolina prepare for their CDL exam with accurate practice tests based on the 2025 South Carolina Commercial Driver License (CDL) Manual. These tests simulate the actual exam administered by the South Carolina Department of Motor Vehicles (SCDMV).

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

For official manuals, test requirements, and appointment information, visit the SCDMV CDL page:
https://www.scdmvonline.com/Driver-Services/Commercial-Licenses

Start practicing today and pass your South Carolina CDL permit test with confidence!

📘 What to Expect on the South Carolina 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/HazMat)
Test Languages English, Spanish (HazMat only in English)
Endorsement Areas HazMat, Tankers, Passenger, School Bus, Air Brakes
Retake Policy Next business day (retest fee may apply)

❓ Frequently Asked Questions

How do I qualify for a CDL permit in South Carolina?
You must be at least 18 years old, hold a valid South Carolina driver’s license, pass a vision test, and take the CDL General Knowledge exam.
Is ELDT required for CDL applicants in South Carolina?
Yes. Entry-Level Driver Training (ELDT) is federally required before taking the CDL skills test or applying for certain endorsements.
How long is the CDL permit valid in South Carolina?
The Commercial Learner’s Permit (CLP) is valid for 180 days and may be renewed once.
Can I take the CDL test in Spanish?
Yes. The General Knowledge exam is available in Spanish. HazMat tests must be taken in English.
What if I fail the CDL written test?
You may retake the exam after one business day. Retesting fees apply.
Do I need a regular license before applying for a CDL?
Yes. You must have a valid South Carolina Class D license before applying for a CDL permit.
Are endorsement tests separate?
Yes. Each endorsement (HazMat, Passenger, etc.) requires its own written knowledge exam.
Can I transfer my CDL to South Carolina?
Yes. You must transfer your CDL within 30 days of becoming a South Carolina resident.
What documents are needed to apply for a CDL?
You’ll need proof of identity, SC residency, lawful presence, and your Social Security number.
Is a TSA clearance required for HazMat endorsements?
Yes. HazMat applicants must pass a TSA background check and fingerprinting.