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South Dakota
South Dakota CDL · Updated 2026

South Dakota CDL Practice Tests

South Dakota issues Commercial Driver Licenses through the Department of Public Safety, Driver Licensing Program. CDL knowledge tests are administered at state exam stations, and skills tests are run by approved third-party testers. The official South Dakota CDL Manual is the primary study source.

Based on the official state DMV CDL manual.

South Dakota CDL quick facts

Min age (intrastate)

18 to drive a CMV within South Dakota.

Min age (interstate)

21 to drive across state lines.

CLP hold period

14 days minimum before the skills test.

General Knowledge test

~50 Qs; 80% to pass.

Sources: South Dakota DPS - Commercial Driver License hub South Dakota DPS - CDL Manual page South Dakota CDL Manual PDF

South Dakota CDL FAQ

Who issues CDLs in South Dakota?

The South Dakota Department of Public Safety, Driver Licensing Program.

How much does a South Dakota CDL cost?

$33 for the CDL application plus $15 per endorsement knowledge test. Skills tests cost up to $90 plus tax.

Who runs the skills test in South Dakota?

Skills tests are run by approved third-party testers and must be scheduled at least two business days in advance.

What is the passing score on the General Knowledge test?

You must answer at least 80% of the 50 questions correctly.

How long is the South Dakota CLP valid?

One year. If it expires before you pass the skills test, you must retake the knowledge tests.

Is ELDT required in South Dakota?

Yes for CLPs issued on or after February 7, 2022. You must complete theory and behind-the-wheel training with an FMCSA-registered provider.