Dashboard
Your CDL knowledge test prep at a glance
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Static practice exams are always unlimited. Top up AI credits →
Study Tools
Study Guide Builder
Any topic, national or Federal law
Road Scenario Simulator
Walk into your first run ready
Socratic Tutor
Builds reasoning, not just recall
Practice Exam
Static unlimited + adaptive AI
Vocabulary Engine
Terms, confusion pairs, memory hooks
Statute Explainer
FMCSA rules in plain English
Recent Activity
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Study Guide Builder
AI-generated guides for your selected CDL endorsement
10 remaining
Socratic Tutor
Build real understanding through guided questioning
75 remaining
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ProfPrep CDL Tutor
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Welcome to your CDL knowledge test tutor. I won't just give you answers — I'll ask questions that build the reasoning the FMCSA test actually checks for. Patient safety and road safety always come first.
What are we working on today?
What are we working on today?
Practice Exam
Static questions are unlimited. Adaptive AI exams use your allocation.
25 adaptive remaining
General Knowledge — set via the tabs above
Road Scenario Simulator
Your first road emergency doesn't feel like your first — walk a complete CDL driving scenario before the test
10 runs remaining
Your first road emergency doesn't feel like your first.
The simulator puts you behind the wheel for a complete run — from pre-trip inspection through post-trip documentation. At every stage you face a real decision with real consequences, with the applicable FMCSA regulation called out explicitly.
The simulator puts you behind the wheel for a complete run — from pre-trip inspection through post-trip documentation. At every stage you face a real decision with real consequences, with the applicable FMCSA regulation called out explicitly.
Vocabulary Engine
Terms, confusion pairs, applied usage, and memory hooks — always unlimited
Quick Reference
CDL knowledge test structure, endorsement weights, and FMCSA regulation essentials
Statute Explainer
Any FMCSA rule or FMCSA Federal Regulations — plain English with examon example