District of Columbia CDL General Knowledge Practice Exam 2026

The District of Columbia CDL general knowledge test is the written exam standing between you and your Commercial Learner's Permit, and this drill recreates it. Think of it as a full commercial drivers license test rehearsal built from the same material the DC DMV uses for the real CDL knowledge test.

How many questions does the District of Columbia CDL general knowledge test have? It contains 50 questions, and you must answer 80 percent correctly, meaning 40 right, to pass. That FMCSA standard never changes from state to state, and every Class A, B, and C applicant clears this single CDL exam before the skills test decides their class.

The District of Columbia CDL Manual is the source behind every question on this knowledge test, so study it until the material feels familiar. Take the drill, review the questions you miss, and repeat until you pass comfortably in 2026. A confident run here is the clearest sign you are ready for the official DC CDL exam.

Keep going:

• District of Columbia CDL Practice Test
• District of Columbia CDL Practice Test 2
• District of Columbia CDL Practice Test 3
• District of Columbia CDL Practice Test 4
• District of Columbia Air Brakes Practice Test
• District of Columbia CDL Combination Practice Test
• District of Columbia CDL Pre-Trip Inspection Practice Test
• District of Columbia Hazmat Practice Test
• District of Columbia Class A CDL Practice Test
• District of Columbia CDL Practice Test

Every question traces back to the District of Columbia CDL Manual - skim the right-of-way and signs chapters before your retake.