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Theory covers vehicle controls, inspections, safe driving, vehicle systems and hours of service. Federal ELDT sets no minimum theory hours; all curriculum topics must be covered and the overall assessment score must reach 80%.

Class A range training includes straight-line backing, offset backing, alley-dock backing, parallel parking and coupling. The instructor documents practice hours and proficiency before range completion.

Class A training uses a combination vehicle, such as a tractor and semi-trailer. Class B generally covers a single heavy vehicle. The test vehicle must match the license class sought.

Enrollment staff handle program schedules, fee information and application paperwork. Review the written program terms and total charges here before enrolling.

Inspection covers fluid levels and leaks, plus the condition of belts and hoses. Engine oil, coolant and power-steering fluid are among the checks; belt wear and damaged hoses can reveal developing faults.

Check that exterior lamps work and lenses are intact. Reflectors and reflective tape must be present and unobscured. Lighting checks include headlights, turn signals and brake lights.

Inspect tread depth, inflation and tire damage, then rims and lug nuts for damage or looseness. These checks identify worn tires and insecure wheel components before driving.

Inspect the fifth wheel, locking mechanism, kingpin and trailer apron, together with air and electrical lines and connectors. Look for damaged components, insecure connections and insufficient line clearance.