CDL Placards
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iOS Now in early access · join the waitlist

Stop mixing up Hazmat placards
before your CDL test.

CDL Placards is a fast visual practice app that helps CDL students memorize Hazmat placards, hazard classes, labels, and common test visuals through quick flashcards and timed drills.

◆ Free early access Join the Waitlist ▶ No sign-up needed Try Sample Drill
9
hazard classes covered
5min
daily practice
iOS
coming soon

Independent study tool. Built for CDL learners. Not affiliated with any government agency.

CDL students ✺
Hazmat endorsement ✺
Truck driver trainees ✺
Trucking school ✺
Visual learners ✺
Placard recognition ✺
Hazard classes ✺
5-minute practice ✺
CDL students ✺
Hazmat endorsement ✺
Truck driver trainees ✺
Trucking school ✺
Visual learners ✺
Placard recognition ✺
Hazard classes ✺
5-minute practice ✺
The problem

Hazmat placards are easy to confuse when you only study from manuals.

Similar-looking labels
Red, orange, and yellow diamonds blur together fast.
Too much PDF reading
Manuals explain the rules, but they do not drill recognition.
No quick visual repetition
Reading a chart once is not the same as recalling on sight.
You forget under test pressure
A placard you knew yesterday can go blank on test day.
Hard to know what you remember
Without feedback, you cannot tell your real weak spots.
Generic CDL apps are too broad
You want focused placard reps, not a do-everything app.

Most CDL Hazmat learners do not need another huge study app. They need fast visual practice for the exact placards and warning symbols they keep mixing up.

Why CDL Placards

Practice placards like flashcards, not like a textbook.

Most CDL Hazmat learners do not need another huge study app. They need fast visual practice for the exact placards and warning symbols they keep mixing up.

01 · See it, name it
See it, name it

A flashcard shows a placard, you pick what it means, and instant feedback tells you if you were right. One sign at a time.

02 · Drill your misses
Drill your misses

Every placard you miss drops into a review pile, so you practice the exact signs you confuse instead of everything at once.

03 · Track what sticks
Track what sticks

A simple recognition score shows what you have mastered and what still needs another pass before test day.

Visual placard drills

Placards are visual.
Study them that way.

Reading a definition in a manual is not the same as recognizing a placard at a glance. CDL Placards turns recognition into short, repeatable drills you can do anywhere.

1
placard at a time
4
quick answers
instant
feedback
Mistake review

Practice the signs
you keep missing.

Wrong answers go straight to a review pile. Instead of re-reading whole chapters, you drill the exact placards that trip you up, until they stop tripping you up.

auto
wrong-answer pile
daily
review
spaced
repetition
Test-day countdown

Build a streak
before test day.

Set your test date and keep a short daily streak. Five focused minutes a day beats one long cram session the night before.

5 min
a day
streak
tracking
test-day
countdown
Sample drill

Try a sample drill

A quick taste of how practice feels. Pick what each generic hazard diamond means. This is a demo, not the full app.

Demo only Score 0/5

What hazard does this placard show?

The approach

Less reading.
More reps.

Your official manual teaches the rules, and you should always study it. CDL Placards trains the one thing reading cannot: fast visual recognition. See a placard, name the hazard, repeat the ones you miss. That is the whole method.

No
endless PDF reading
No
generic, too-broad CDL app
No
guessing what you remember
“
How it works

Five minutes, five steps

  1. 1
    Open a quick drill
    Five minutes is enough. No setup, no long chapters.
  2. 2
    Identify the placard
    A generic hazard diamond appears. Pick what it means.
  3. 3
    Review the explanation
    See the right answer and why it is right.
  4. 4
    Repeat your mistakes
    Missed signs go to a review pile you drill again.
  5. 5
    Build confidence before test day
    Short daily reps until recognition is automatic.
Study guides

Study the exact things CDL learners search for

CDL Hazmat placard practice Fast visual drills for the placards you keep mixing up. Hazmat placard flashcards Why flashcards beat re-reading for placard recognition. CDL Hazmat test prep Combine your official manual with quick visual practice. How to memorize Hazmat placards A simple, repeatable method that actually sticks. Hazmat endorsement study guide What to study, in what order, before test day. CDL warning signs practice Try the interactive sample drill right now.
Free download

Get the free CDL Hazmat placard study checklist

A simple printable checklist to help you organize what to review before your Hazmat endorsement test.

✓Free, no cardSend me the checklist
Checklist will be sent when ready.
A note from the founder
“ I kept seeing the same thing: people study hard from the manual, then freeze on the placards. Visual recognition is a skill, and skills come from reps. CDL Placards is just reps, done fast. ”
Lawrence Arya
Founder
Study Journal

From the journal.

View all →
A bulk cargo tank beside small non-bulk hazmat packages
Test prep

Bulk vs Non-Bulk Packaging Explained (Hazmat Basics)

Lawrence Arya
Different cargo tank types lined up by their distinctive shapes
Test prep

Cargo Tank Types Explained (DOT406, 407, 412, MC331, MC338)

Lawrence Arya
A CDL hazmat endorsement checklist beside the CDL Placards study app
Test prep

CDL Hazmat Endorsement Requirements: What to Expect

Lawrence Arya
Early access

Free while we build it.

CDL Placards is in validation. Join the waitlist for free early access, launch updates, the free sample drill, and the free Hazmat placard study checklist.

Free early access
$0
Join the waitlist to get launch updates, the free sample drill, and the free Hazmat placard study checklist the moment they are ready.
Founding-user access · join free
Planned after launch: a one-time study pack, roughly $4.99 to $14.99, with a free sample pack to try first. Early-access members hear first.
Questions

Honest answers

No. CDL Placards is an independent study tool and is not affiliated with the FMCSA, DOT, TSA, state DMV offices, or any government agency.
No. It is built to help you practice and recognize placards faster. You should always study your official state CDL manual and follow your licensing authority's requirements.
Placard shapes, colors, and hazard classes are consistent nationally, but specific rules and test details vary by state. Use CDL Placards alongside your own state CDL manual.
No. It is a visual practice supplement, not a replacement. Your official manual is always the source of truth for what you need to know.
The planned app focuses on Hazmat placards, the nine hazard classes, warning labels, similar-sign comparison, timed quizzes, and repeating the placards you miss most.
The app is currently in validation. Join the waitlist to get launch updates and early access.
The first release is planned for iOS. Android is something we will consider based on demand, so joining the waitlist helps us decide.
Early access is free. After launch we plan a one-time study pack, likely in the $4.99 to $14.99 range, with a free sample to try first.
Yes. You can try the sample drill on this site right now, and waitlist members get the free sample pack and study checklist at launch.
Your official state CDL manual covers the full Hazmat endorsement: loading, handling, security, and more. CDL Placards focuses on the visual recognition piece, so use both together.
Before test day

Get the placards right
the first time.

Join the waitlist for free early access to CDL Placards, plus the free Hazmat placard study checklist.

Independent study tool, not affiliated with any government agency. Always verify requirements with your official state CDL manual.
◆ Free early access · iOS Join the Waitlist