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Alabama CDL · Updated 2026

Alabama CDL Practice Tests

The Alabama Law Enforcement Agency (ALEA), through its Driver License Division, issues Commercial Driver Licenses. ALEA publishes the Alabama CDL Manual (updated April 2024) and a supplement on alea.gov. CDL knowledge tests are taken at ALEA Driver License offices.

Start General Knowledge quiz How to get your Alabama CDL

Based on the official state DMV CDL manual.

Alabama CDL quick facts

Min age (intrastate)

18 to drive a CMV within Alabama.

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: ALEA Driver License Manuals Alabama CDL Manual (April 2024 PDF) Alabama CDL Manual Supplement for Modernized Version

Alabama CDL practice tests

General Knowledge

Driving safely, inspection, and cargo.

Air Brakes

Dual-circuit air brake systems.

Combination

For Class A combination vehicles.

HazMat (H)

Placards, classes, emergency response.

Tank (N)

Liquid surge, baffles, high COG.

Passenger (P)

16+ passengers, emergency exits.

School Bus (S)

Danger zones, RR crossings.

Doubles/Triples (T)

Coupling, rearward amplification.

Which class fits the Alabama truck job you want?

A

Class A

GCWR 26,001 lb+ with trailer 10,001 lb+
  • Tractor-trailers
  • Tankers and flatbeds
  • Most OTR jobs
B

Class B

Single vehicle GVWR 26,001 lb+
  • Dump trucks, large delivery
  • City and tour buses
C

Class C

16+ passengers or HazMat placards
  • Small passenger vans
  • Some HazMat vehicles

Alabama CDL resources

How to get a Alabama CDL

Step-by-step: medical, CLP, ELDT, skills test.

ELDT

Federal ELDT training requirements.

DOT medical card

Find an examiner; what the physical covers.

CDL classes (A / B / C)

Compare what each class lets you drive.

Road signs

MUTCD basics for CDL applicants.

Endorsements

H, N, P, S, T, X — pick yours.

Alabama CDL FAQ

What is the minimum age for an Alabama CDL?

18 for intrastate driving and 21 for interstate driving or hazardous materials.

How long must I hold an Alabama CLP before the skills test?

At least 14 days, per federal rule.

How much does an Alabama CDL cost?

$25 testing + $36.25 CLP + $20 skills test. CDL license: $66.25 Class A, $56.25 Class B, $36.25 Class C. Endorsements $5 each.

Does Alabama require ELDT?

Yes. First-time CDL applicants and first-time P, S, or H endorsement applicants must complete ELDT through an FMCSA-registered provider. Theory comes before skills training.

Where is the official Alabama CDL Manual?

On the ALEA website at alea.gov/dps/driver-license/driver-license-manuals. The current edition was updated April 2024.

What score do I need to pass the Alabama CDL knowledge tests?

80% or higher on each test.