CDL General Knowledge guide

CDL practice tests

50 questions · Untimed · 80% to pass (40 correct)

Full practice test

50 questions drawn across every General Knowledge topic, three answer choices each. You pass at 40 correct, the same 80% the real test needs.

General Knowledge drills · 10 questions, one free attempt each

Before you start

  • Every question has three answer choices, like the state knowledge tests, and cites the CDL manual section it comes from.
  • You can skip, go back, change answers and flag questions until you submit. You see your score, the 80% pass mark and every explanation at the end.

Create a free account before you start

Create a free account to start. Every drill includes one free attempt. A CDL practice pass unlocks every full practice test and unlimited drills.

Original practice questions written from the model CDL manual. Independent preparation, not affiliated with or endorsed by FMCSA, AAMVA or any state licensing agency.