For current Massachusetts 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.
The H endorsement unlocks higher-paying loads across Massachusetts — especially for drivers running freight in and out of Boston, Worcester, and Springfield.
HAZMAT-endorsed drivers typically earn thousands more per year than non-endorsed CDL drivers.
Fuel, chemicals, gas cylinders, batteries — HAZMAT opens up freight lanes closed to non-endorsed drivers.
Carriers in Massachusetts routinely prioritize HAZMAT-endorsed applicants and pay sign-on bonuses to get them.
You can finish the FMCSA theory portion before lunch — and keep your current schedule untouched.
Three steps to adding the H endorsement to your MA CDL. ELDT365 handles Step 1 — the theory training the FMCSA requires before you can test.
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 · $20Submit fingerprints at a TSA-approved location and pass a Security Threat Assessment. Required by federal law for all HAZMAT endorsement applicants.
TSA (federal) · separate feeVisit your local Massachusetts Registry of Motor Vehicles (RMV) office, pass the HAZMAT knowledge exam, and your H endorsement is added to your Massachusetts CDL. Your ELDT365 completion is already on file with the FMCSA — no paperwork to bring.
MA DMV · separate state feeEvery state runs the TSA background check and the hazmat knowledge test, but not in the same order. This is Massachusetts's, from the RMV's own rules.
Age: 18 for an intrastate (Massachusetts only) CLP; 21 for an interstate CLP, hazmat, or school bus. Under 21 you get a K restriction (intrastate only).
Permit hold: 14 days.
Sources: Massachusetts RMV: apply for a CLP · Massachusetts RMV: CDL classes and endorsements · Massachusetts RMV: commercial road tests. Checked September and October 2026. Compare all 50 states ›
To haul hazardous materials in Massachusetts, 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 Massachusetts HAZMAT theory course, you'll need to pass a TSA Security Threat Assessment and the HAZMAT knowledge test at your local Massachusetts Registry of Motor Vehicles (RMV) office. We handle the FMCSA-required theory portion — Steps 2 and 3 happen through the TSA and RMV.
ELDT365 is listed on the FMCSA Training Provider Registry (TPR) and fully accepted by every Massachusetts RMV location.
Start MA HAZMAT Training →Common questions from Massachusetts CDL holders adding the H endorsement.
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