ALL COURSES $20, DISCOUNT APPLIED AT CHECKOUT!
☢️ CO HAZMAT ENDORSEMENT — FMCSA REGISTERED

Colorado HAZMAT
Endorsement — Online Training

For current Colorado CDL Class A or B holders looking to add the H endorsement. Complete the FMCSA-required theory training 100% online and earn more behind the wheel.

Only $20 · Self-paced
Start HAZMAT Training — $20 How It Works →
1,600+ drivers & schools train with ELDT365
✅ FMCSA Registered
⚡ Most Finish in Under 3 Hours
📱 Mobile Friendly
🔄 Free Retakes
📄 Auto-Uploaded Certificate

Why Colorado Drivers Add the HAZMAT Endorsement

The H endorsement unlocks higher-paying loads across Colorado — especially for drivers running freight in and out of Denver, Colorado Springs, and Aurora.

+$5K–$15K

Higher Annual Pay

HAZMAT-endorsed drivers typically earn thousands more per year than non-endorsed CDL drivers.

More Loads

Expanded Job Options

Fuel, chemicals, gas cylinders, batteries — HAZMAT opens up freight lanes closed to non-endorsed drivers.

Faster Hiring

Top Priority for Fleets

Carriers in Colorado routinely prioritize HAZMAT-endorsed applicants and pay sign-on bonuses to get them.

Under 3 hrs

Minimal Time Commitment

You can finish the FMCSA theory portion before lunch — and keep your current schedule untouched.

How to Get Your Colorado HAZMAT Endorsement

Three steps to adding the H endorsement to your CO CDL. ELDT365 handles Step 1 — the theory training the FMCSA requires before you can test.

1

Complete HAZMAT Theory Training

Take our 100% online FMCSA-registered HAZMAT theory course. Covers safe transport, placarding, emergency response, and FMCSA regulations. Your completion is auto-uploaded to the FMCSA Training Provider Registry.

Handled by ELDT365 · $20
2

TSA Background Check

Submit fingerprints at a TSA-approved location and pass a Security Threat Assessment. Required by federal law for all HAZMAT endorsement applicants.

TSA (federal) · separate fee
3

Pass the DMV Written Test

Visit your local Colorado Division of Motor Vehicles (DMV) office, pass the HAZMAT knowledge exam, and your H endorsement is added to your Colorado CDL. Your ELDT365 completion is already on file with the FMCSA — no paperwork to bring.

CO DMV · separate state fee
☢️

Colorado HAZMAT Endorsement Training

$20 · one-time
FMCSA-registered theory course (Step 1 of 3)
Completion auto-uploaded to the FMCSA registry
100% online — desktop or mobile
Self-paced — finish at your own pace
Free retakes on every quiz
Accepted at every Colorado DMV location
Start HAZMAT Training →

The HAZMAT endorsement order in Colorado

Every state runs the TSA background check and the hazmat knowledge test, but not in the same order. This is Colorado's, from the DMV's own rules.

Hazmat knowledge test; TSA clearance before the H is issued, and a fresh TSA check is required at every renewal.

Who issues it

Colorado Department of Revenue, Division of Motor Vehicles (DMV).

Official DMV CDL page ›

Age and permit

Age: 18 for in-state driving, 21 to cross state lines or haul hazmat.

Permit hold: 14 days.

Will Colorado accept online hazmat theory? Yes, by federal rule. Federal rule 49 CFR 380.703(i) says that state qualification requirements for theory instruction do not apply to providers offering that instruction only online. So your state accepts theory from any provider listed on the FMCSA Training Provider Registry, including ELDT365, and no state can require the online theory portion to come from a state-licensed school. States can add their own rules for the behind-the-wheel part, and several do; those are listed below. 49 CFR 380.703(i)

What is different about Colorado

Sources: Colorado DMV: Commercial drivers. Checked September and October 2026. Compare all 50 states ›

HAZMAT Requirements in Colorado

To haul hazardous materials in Colorado, you need the H endorsement on your CDL. The FMCSA requires all HAZMAT endorsement applicants to first complete theory training from a registered provider — that's where ELDT365 comes in.

After completing our Colorado HAZMAT theory course, you'll need to pass a TSA Security Threat Assessment and the HAZMAT knowledge test at your local Colorado Division of Motor Vehicles (DMV) office. We handle the FMCSA-required theory portion — Steps 2 and 3 happen through the TSA and DMV.

ELDT365 is listed on the FMCSA Training Provider Registry (TPR) and fully accepted by every Colorado DMV location.

Start CO HAZMAT Training →
FMCSA Registered Listed on the official Training Provider Registry — accepted statewide in Colorado
Auto-Uploaded Certificate Completion sent directly to the FMCSA registry — DMV pulls it automatically
100% Online No classroom required in Colorado — complete from your phone or computer
Free Retakes Retake any quiz as many times as needed — no extra charge
$20 One-Time No subscription, no hidden fees — one-time HAZMAT training payment

Other Endorsements & Training for Colorado Drivers

Stacking endorsements is the fastest way to raise your pay ceiling. Add any of these alongside HAZMAT.

🚌
Passenger (P) Endorsement
Required for Colorado drivers transporting 16+ passengers commercially.
$20
🚚
Class A CDL ELDT
New to CDL? Start with the Colorado Class A theory course.
$20
🚛
Class B CDL ELDT
Single-vehicle theory training for Colorado Class B applicants.
$20
⬆️
B to A Upgrade
Already have Class B in Colorado? Upgrade to Class A.
$20

Colorado HAZMAT Endorsement FAQ

Common questions from Colorado CDL holders adding the H endorsement.

Is the ELDT365 HAZMAT course accepted in Colorado?
Yes. ELDT365 is registered on the FMCSA Training Provider Registry (TPR). Every Colorado DMV location accepts completion records submitted through the TPR, and we submit yours automatically the moment you finish.
Do I need a CDL before taking the HAZMAT course in Colorado?
You don't need the CDL in hand to start the theory course, but you'll need a valid Colorado CDL (Class A or Class B) before the DMV can add the H endorsement to your license. Most drivers take the HAZMAT theory training alongside or right after their CDL training.
How long does the Colorado HAZMAT theory course take?
Most Colorado drivers finish the HAZMAT theory in one sitting. The course is self-paced — pause and resume anytime on any device.
What happens after I finish the HAZMAT course?
Your completion is auto-uploaded to the FMCSA Training Provider Registry. From there you complete your TSA fingerprint/background check and pass the HAZMAT written test at your local Colorado DMV office. You don't need to bring a paper certificate — the DMV pulls your training record from the federal registry.
How much does the Colorado HAZMAT endorsement cost in total?
ELDT365 covers the FMCSA-required theory training for $20. You'll also pay a TSA background check fee (paid directly to TSA) and whatever Colorado DMV charges for adding an endorsement to a CDL. Those two fees vary and go directly to the TSA and CO state — not to us.
Can I take the Colorado HAZMAT course on my phone?
Yes. ELDT365 is fully mobile-friendly. Many Colorado drivers complete the HAZMAT course on their phone during breaks, layovers, or at home.
How much more will I earn with a HAZMAT endorsement in Colorado?
Most HAZMAT-endorsed drivers earn an extra $5,000–$15,000 per year compared to non-endorsed CDL drivers — with fuel, chemical, and industrial freight lanes running through Denver, Colorado Springs, and Aurora being common HAZMAT routes in Colorado. Actual earnings depend on the carrier, the freight, and your experience level.

Add the HAZMAT Endorsement to Your Colorado CDL

Join 1,600+ drivers who earned their HAZMAT training through ELDT365. $20 · Self-paced · Certificate auto-uploaded to the FMCSA registry.

Start HAZMAT Training — $20