Colorado CDL General Knowledge Practice Test 2026

Questions sourced from the official Colorado CDL Manual (DR 2251). Filter by topic and difficulty. Full rationale on every answer.

📍 Required for All CDL Classes — DR 2251 Sections 1-4 — 40/50 to Pass
Questions on Real Exam
50
DR 2251 Sections 1-4
Minimum to Pass
40 Correct
80% passing threshold
Practice Questions
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Full module coverage
Passing Score
80%
Same in every state

What the Colorado CDL General Knowledge Test Covers

The real Colorado CDL General Knowledge exam has 50 questions, and you need 40 correct (80%) to pass. Topics tested include:

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Colorado CDL General Knowledge Practice Questions