Alabama CDL General Knowledge Practice Exam 2026

The Alabama CDL general knowledge test is the written exam that opens every commercial driving career in the state, and this 2026 real-exam simulation recreates it end to end. Think of it as the commercial drivers license test in full, the same CDL knowledge test you will face at an ALEA testing site.

So what does that exam look like by the numbers? The Alabama CDL general knowledge test has 50 questions, and a passing score is 80 percent, meaning 40 right answers, a threshold the FMCSA sets nationwide. Class A, B, and C applicants all take this identical written CDL exam; only the skills test and the test vehicle change with the class you pursue.

Run this real-exam simulation under honest conditions and keep your score above the line before you book the official test. The Alabama CDL Manual covers every topic it draws from, so any miss here points you straight to the section worth another read.

Keep going:

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

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