Maryland CDL Hazmat: Placarding Test 2026
20 questions on when placards are required and how to select the correct one for a given load.
This is a Pro practice test
Pro tests need a pass - and during early access the pass is FREE. Activate it and unlock every Maryland practice test, the Exam Simulator, and the Fix It Bank. No card required.
🎖️ Veteran or transitioning service member? CDL prep is 100% free for you. Claim your free veteran access
Already have an account? Login
About the Maryland CDL placarding test
Placards are the diamond-shaped warnings that make a hazmat load visible from a distance, and the Maryland hazmat placarding test makes sure you place them correctly. This 2026 CDL practice test covers when placards are required, how many must appear and where, and how the table of hazardous materials drives those decisions.
You will answer questions on placarding thresholds, displaying the right placard for the hazard class, keeping them clean and readable, and the situations where any amount of a material demands placards. This is core knowledge for every Maryland HazMat endorsement holder and a heavy focus of the exam.
Because states set their own question totals, confirm the number on the hazardous materials endorsement test in your Maryland Commercial Driver's License Manual. Drill this Maryland hazmat placarding practice test repeatedly so the rules are locked in before you sit the real CDL test.
Every question traces back to the Maryland CDL Manual - skim the right-of-way and signs chapters before your retake.
-
All state tests unlocked
-
Exam Simulator
-
English + Spanish
-
Fix It Bank
Restart your test?
Are you sure you want to restart your test? Your test progress will be lost.
🎓 Exam Mode - just like the real thing
- ⏱ 15-minute timer, same as your DMV
- 🙈 No hints, no instant feedback
- 🔀 Questions come in random order
- ❌ More than 5 mistakes ends the exam - like the real one
- 💾 Your practice progress on this test stays saved

