Prepare
Study your state manual and use category-based practice.
FREE CDL PREPARATION FOR ALL 50 STATES
Build your path to a CDL career.
Practice the knowledge-test topics, understand federal ELDT requirements, and use practical tools for every stage of your commercial-driving journey.
✓ No signup required✓ Nine test categories✓ All 50 states
A CLEAR ROADMAP
From permit preparation to professional driving
Complete ELDT
Choose a provider listed in the FMCSA Training Provider Registry.
Build Skills
Complete required range and public-road training.
Test & Progress
Pass state testing and keep building safe professional habits.
FREE CDL PRACTICE
Study the topics that appear on your knowledge tests
50 questions
General Knowledge
Safe operations, regulations, and commercial driving basics
Practice now →25 questionsAir Brakes
Brake components, inspections, pressure checks, and emergency procedures
Practice now →20 questionsCombination Vehicles
Coupling, uncoupling, rollover risks, and inspections
Practice now →30 questionsHazardous Materials
Placards, shipping papers, safe loading, security, and emergencies
Practice now →20 questionsTanker Vehicles
Liquid surge, vehicle control, inspection, and safe loading
Practice now →20 questionsDoubles & Triples
Converter dollies, coupling order, handling, and inspections
Practice now →ELDT EXPLAINED
Know what training is required before you enroll
ELDT applies to first-time Class A and Class B applicants, drivers upgrading from Class B to Class A, and first-time applicants for certain endorsements. ELDT.live explains the process in plain language while directing you to official sources.
- Who is subject to ELDT
- Theory and behind-the-wheel components
- Training Provider Registry verification
- What happens after completion is reported
DRIVER FINANCIAL TOOLS
Understand the numbers behind training and trucking
01
CDL Training Cost
Estimate tuition, permit, medical exam, testing, travel, and lost-income costs.
02Truck Driver Pay
Compare cents-per-mile, hourly, daily, and percentage-of-load compensation.
03Trip Profit
Project revenue, fuel, tolls, maintenance reserve, and take-home profit.
04Fuel Cost
Estimate trip fuel needs and cost from distance, MPG, and diesel price.
KNOWLEDGE CENTER
Practical guides for better CDL decisions
Compliance
Personal Conveyance for CDL Drivers: What Counts, What Does Not, and How to Log It
Personal conveyance is not extra driving time. Learn when off-duty CMV movement can qualify, which trips remain business driving, and how to document the decision accurately in an ELD.
September 15, 2026 · 13 minLicensing
CDL Test-Vehicle Restrictions: E, L, Z, O, M, and N Explained
Your skills-test vehicle can limit the commercial vehicles you may operate. Learn how transmission, brakes, coupling type, and passenger-vehicle class create federal CDL restrictions—and how to plan before test day.
September 14, 2026 · 13 minTesting
Doubles and Triples Endorsement: T Test Guide, Coupling Checks, and Safe Handling
Learn what the T endorsement covers, why it is different from ELDT, which coupling and inspection points matter, and how to prepare for safer doubles and triples operation.
September 13, 2026 · 12 minBUILD YOUR CDL KNOWLEDGE
Prepare with a plan, not guesswork.
Use clear learning paths, practical tools, and focused practice for your next step.