ELDT Endorsement Requirements
Everything you need to add Hazmat (H), Passenger (P), or School Bus (S) to your CDL under the ELDT mandate.
Which Endorsements Require ELDT?
Hazmat Endorsement (H) — Full Requirements
ELDT Theory Course
~8 hours, 2 units. Covers hazard classes, placarding, shipping papers, loading/unloading, emergency response, security awareness. Free at CDL Study Buddy.
TSA Security Threat Assessment
Required separately from ELDT. Involves fingerprinting at an approved TSA location. Fee varies by state ($85-$100 typical). Processing takes 30-60 days, so start early.
Written Knowledge Test
Hazmat-specific written test at your state DMV. Our ELDT course + free Hazmat practice tests prepare you for this.
State DMV Fee
Endorsement addition fee varies by state (typically $5-$30).
Passenger Endorsement (P) — Full Requirements
ELDT Theory Course
~6 hours, 2 units. Covers loading/unloading, emergency evacuation, passenger management, ADA compliance, standee lines, prohibited practices. Free at CDL Study Buddy.
Written Knowledge Test + Skills Test
Passenger endorsement requires both a written test and a skills test in a passenger vehicle. This is a state DMV requirement separate from ELDT.
No TSA or Background Check Required
Unlike Hazmat, the Passenger endorsement doesn't require a TSA security assessment. Some employers may run their own background checks.
School Bus Endorsement (S) — Full Requirements
ELDT Theory Course
~7 hours, 2 units. Covers danger zones, loading/unloading students, railroad crossing procedures, student management, emergency evacuation drills, school bus safety equipment. Free at CDL Study Buddy.
Skills Test in a School Bus
Must pass a skills test in a school bus vehicle. This is on top of the written knowledge test.
Background Check
Most states require a criminal background check for school bus drivers. This is state-mandated, not part of ELDT.
State-Specific Training
Many states mandate additional in-person school bus training beyond what ELDT requires. Check with your state DMV or school district.
Last updated: May 11, 2026
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