AL · CDL Class B

Alabama Class B CDL Practice Questions and License Guide

This Alabama Class B CDL practice page is built from the current saved bank of 100 English questions. The bank combines general knowledge with air-brake, hazardous-materials, tank-vehicle, passenger, and school-bus material. Those specialty modules are conditional study areas, not a claim that every Class B applicant needs every endorsement. Alabama defines Class B around heavy single vehicles and qualifying heavy vehicles towing lighter units, and it currently distinguishes restricted and unrestricted Class B credentials by age. Federal rules separately set interstate age and entry-level training requirements. First-time applicants also face commercial learner permit, knowledge, skills-test, medical, and document requirements. Use the practice explanations to identify weak areas, then confirm the exact vehicle, braking system, endorsements, self-certification category, and operating type that apply to your intended work.

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Every test draws only from the Alabama CDL Class B question bank.

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LICENSING GUIDE

What to know before you test

Use this overview together with the latest official guidance linked below.

Confirm that Class B matches the vehicle you plan to drive

Alabama defines Class B as a single vehicle with a GVWR of at least 26,001 pounds, or such a vehicle towing another vehicle whose GVWR does not exceed 10,000 pounds. The Alabama CDL manual lists straight trucks and large buses among typical Class B vehicles. License class does not replace specialized qualifications: passenger, school-bus, hazardous-materials, tank, and air-brake rules apply only when the vehicle or operation requires them. This mixed practice bank follows that distinction by excluding Class A combination and double/triple modules while retaining conditional specialty practice. Before testing, identify the exact Class B vehicle, braking system, cargo, passenger use, and endorsements you need.

Use the current Alabama age, document, and medical rules

Alabama’s current administrative code lists age 18 for a restricted Class B CDL and age 21 for an unrestricted Class B CDL. FMCSA states that interstate commercial driving generally requires a driver to be at least 21. ALEA’s current CDL applicant checklist calls for a current driver license, Social Security documentation, two proofs of principal residence, and additional records when applicable. Medical certification depends on the applicant’s self-certification category, and current required medical information is received electronically from the medical examiner. Hazardous-materials applicants have additional security requirements.

Plan the CLP, ELDT, knowledge, and skills-test sequence

ALEA says a first-time CDL applicant or a driver upgrading a CDL must obtain a commercial learner permit first and hold it for at least 14 days before CDL testing. Federal Entry-Level Driver Training rules apply to a first Class B CDL unless an exception applies, and required training must be completed through a registered provider before the applicable skills test. Alabama moved to the AAMVA modernized CDL skills test on July 1, 2025, revising the vehicle-inspection and basic-control portions while keeping the road-skills portion. Use current ALEA scheduling instructions when planning the skills test.

Practice by module without turning optional endorsements into universal requirements

The saved Class B bank contains 100 original questions across fourteen topics and six modules. General knowledge receives the largest share; air brakes and the hazardous-materials, tank, passenger, and school-bus modules provide conditional practice for equipment or endorsements that may not apply to every Class B driver. The four-choice format, module allocation, difficulty mix, and question count are editorial practice settings, not an ALEA exam blueprint. Official CDL issuance depends on passing the knowledge and skills tests that apply to the credential, vehicle, and endorsements sought. The official sources reviewed here do not state one numeric passing percentage for every test represented by this mixed page, so no single percentage is claimed.

REQUIREMENTS OVERVIEW

Alabama CDL Class B requirements

Requirements depend on the applicant and can change. Verify each item with the cited agency.

age

Alabama Class B CDL applicants and Class B drivers considering intrastate or interstate operation.

Alabama’s current administrative code lists 18 years old for CDL Class B Restricted and 21 years old for CDL Class B Unrestricted. FMCSA states that a person must be at least 21 to drive a commercial motor vehicle in interstate commerce.

documents

Alabama CDL or commercial learner permit applicants.

ALEA’s current CDL applicant checklist requires a current driver license, Social Security documentation, two proofs of principal residence, and additional documents when applicable. Medical certification requirements depend on the self-certification category, and required medical information is received electronically; hazardous-materials applicants have additional security requirements.

tests

First-time Alabama Class B CDL applicants and drivers whose licensing action requires a CDL skills test.

ALEA requires a commercial learner permit before first-time CDL issuance or an upgrade and says it must be held at least 14 days before CDL testing. FMCSA ELDT rules apply to a first Class B CDL unless an exception applies. Alabama uses the modernized CDL skills test, including vehicle inspection, basic control skills, and road skills.

passing

Applicants taking CDL knowledge and skills tests for the credential, vehicle, and endorsements sought.

FMCSA states that states issue CDLs after applicants pass knowledge and skills tests related to the type of vehicle they expect to operate. The official sources reviewed for this page do not provide one numeric passing percentage that can be stated for every test represented by this mixed practice page, so no percentage is claimed.

applicability

Drivers determining whether an Alabama Class B CDL and particular endorsements or restrictions apply.

Alabama Class B covers a qualifying heavy single vehicle or such a vehicle towing a vehicle not over 10,000 pounds GVWR. Air-brake qualifications and hazardous-materials, tank, passenger, or school-bus endorsements are separate from the base license class and apply only when the vehicle or operation requires them; restrictions can further limit authorized operation.

OFFICIAL REFERENCES

Sources for this guide

Open the current source before relying on licensing details.

Alabama Administrative Code Rule 760-X-1-.20 - Proof of Identity, Authorized PresenceTable 2: Minimum Age Requirements for ALEA-Issued Licenses and Identification CardsOpen source ↗ Document Requirements And FeesCDL or CDL Learner License ApplicantsOpen source ↗ CDL Frequently Asked QuestionsCommercial Learner Permit and Entry Level Driver Training questionsOpen source ↗ Driver Licenses - Classes, Endorsements, and RestrictionsClasses and CDL endorsementsOpen source ↗ ALEA Announces Big Changes for Alabama Commercial Driver License (CDL) HoldersModernized CDL Skills Test Begins July 1, 2025Open source ↗ Driver License ManualsCommercial Driver License Manual and CDL Manual Supplement for Modernized VersionOpen source ↗ Entry-Level Driver Training (ELDT)About the ELDT RegulationsOpen source ↗ DriversClasses of License and Commercial Learner’s Permits; Endorsements and RestrictionsOpen source ↗ What is the age requirement for operating a CMV in interstate commerce?AnswerOpen source ↗