CDL Pro: CDL Permit Test Prep
Study General Knowledge, Air Brakes, Combination Vehicles, endorsements, and state-specific CDL rules with practice tests, explanations, flashcards, and timed exams.
Track Progress & Mastery — See what you’ve mastered and what still needs work. Topic-level progress helps you focus on CDL areas like General Knowledge, Air Brakes, Combination Vehicles, HazMat, Tanker, and more.
Clear Explanations — Every question includes a simple explanation so you understand why the answer is correct, not just which option to pick.
Weak-Area Practice — Automatically review the CDL topics you miss most, from braking distance and inspections to cargo safety, coupling, endorsements, and state-specific rules.
Timed CDL Exams — Practice under test-like conditions with timed exams, including a full CDL Permit Exam Simulation for General Knowledge, Air Brakes, and Combination Vehicles.
Flashcards for Key Concepts — Quickly review CDL rules, signs, inspections, air brake concepts, combination vehicle behavior, cargo safety, and endorsement basics.
Study anywhere. iPhone + iPad friendly.
The CDL permit test checks your knowledge of commercial driving rules, vehicle safety, inspections, road signs, and safe driving procedures. Depending on the license or endorsements you want, you may also need tests like Air Brakes, Combination Vehicles, Tanker, HazMat, Passenger, or School Bus.
Yes. CDL Pro includes General Knowledge practice along with important CDL topics like vehicle inspections, safe driving, braking, shifting, cargo safety, emergencies, and railroad crossings.
Yes. CDL Pro includes Air Brakes and Combination Vehicles practice to help Class A drivers prepare for the most important permit test sections.
Yes. Every question includes an explanation so you can understand the rule, learn from mistakes, and avoid memorizing answers without context.
Yes. Timed exams help you practice pacing, build confidence, and prepare for real testing conditions before exam day.
Yes. CDL Pro includes state-specific CDL practice to help you review rules that may vary depending on where you plan to test.