Question 1

How is the fee for a South Carolina commercial learner's permit (CLP) broken down?

Accepted Answer

$15 application, $2 per test, and $2.50 for the CLP — South Carolina itemizes its CLP costs: a $15 application fee, $2 for each knowledge test taken, and $2.50 for the CLP itself.

Question 2

How long is a South Carolina CLP valid?

Accepted Answer

One year — A South Carolina commercial learner's permit is valid for one year.

Question 3

What noncommercial license must a South Carolina applicant already hold before applying for a CLP?

Accepted Answer

A valid, unexpired South Carolina driver's license — A South Carolina applicant must already hold a valid, unexpired South Carolina driver's license before applying for a CLP.

Question 4

What BAC threshold applies specifically to commercial drivers in South Carolina?

Accepted Answer

0.04%, half the standard adult threshold — South Carolina holds commercial drivers to a 0.04% BAC threshold, consistent with the federal commercial standard.

Question 5

Under federal hours-of-service rules that apply to South Carolina CDL holders, how many hours of driving are allowed after 10 consecutive hours off duty?

Accepted Answer

Up to 11 hours, within a 14-hour on-duty window — Federal hours-of-service rules allow up to 11 hours of driving after 10 consecutive hours off duty, within a 14-hour on-duty window.

Question 6

What must a South Carolina CDL applicant complete before the skills test if their CLP was issued after February 7, 2022?

Accepted Answer

Federal entry-level driver training (ELDT) through an approved provider — A South Carolina applicant whose CLP was issued after February 7, 2022 must complete an FMCSA-approved entry-level driver training (ELDT) program before the skills test.

Question 7

Can an out-of-state CLP be directly transferred to South Carolina?

Accepted Answer

No — required tests must be passed before an SC CLP issues — An out-of-state CLP isn't transferable to South Carolina; the applicant must pass the general knowledge test and any other applicable tests before an SC CLP is issued.

South Carolina CDL Knowledge Test Sample Questions

General Driving Knowledge

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