CDL Class B Pre-Trip School Bus Checklist

Comprehensive pre-trip inspection procedures for CDL Class B drivers to ensure school bus safety, regulatory compliance, and student protection before each trip.

Engine Compartment Inspection

  • Check engine oil level and condition using dipstick.
  • Inspect coolant level and condition in radiator and overflow tank.
  • Verify power steering fluid level and check for leaks.
  • Check windshield washer fluid level and spray operation.
  • Inspect all belts for proper tension, cracking, or fraying.
  • Check all hoses for leaks, bulges, or deterioration.
  • Verify battery terminals are clean and secure.
  • Look for fluid leaks on ground under engine compartment.

External Bus Inspection

  • Walk around entire bus checking for body damage or loose panels.
  • Inspect all lights: headlights, taillights, brake lights, turn signals.
  • Test hazard warning lights and emergency flashers.
  • Check condition and cleanliness of all mirrors.
  • Verify license plates are properly mounted and visible.
  • Inspect windshield and windows for cracks or damage.
  • Check that emergency exits are clearly marked and operational.
  • Ensure reflective tape and school bus markings are visible.

Wheels, Tires & Suspension

  • Check tire tread depth (minimum 4/32" front, 2/32" rear).
  • Inspect tires for cuts, bulges, or irregular wear patterns.
  • Verify proper tire inflation using tire gauge.
  • Check lug nuts are present, tight, and not damaged.
  • Inspect wheels for cracks, dents, or rust damage.
  • Check shock absorbers for leaks or damage.
  • Inspect suspension components for wear or damage.
  • Verify mud flaps are present and securely attached.

Braking System Check

  • Check brake fluid level in master cylinder reservoir.
  • Test service brake pedal for proper feel and travel.
  • Test parking brake engagement and release.
  • Inspect brake lines and hoses for leaks or damage.
  • Check brake chambers and slack adjusters (if air brakes).
  • Test air pressure build-up time (if equipped with air brakes).
  • Verify brake warning lights function properly.
  • Listen for unusual brake noises during test application.

Interior Safety Equipment

  • Check driver's seat adjustment and seat belt operation.
  • Test all dashboard warning lights during startup sequence.
  • Verify steering wheel operates smoothly without excessive play.
  • Test horn, turn signals, and windshield wipers.
  • Check interior and exterior mirrors for proper adjustment.
  • Ensure first aid kit is present and accessible.
  • Verify fire extinguisher is present, charged, and accessible.
  • Check that emergency exits open and close properly.

Student Safety Systems

  • Test stop arm extension and retraction mechanism.
  • Verify flashing red lights operate correctly.
  • Check amber warning lights function properly.
  • Test crossing control arm (if equipped) operation.
  • Ensure all passenger seats are secure and undamaged.
  • Check aisle and exit lighting functionality.
  • Verify emergency roof hatches open and close properly.
  • Test two-way radio or communication system operation.

Documentation & Final Checks

  • Verify valid CDL Class B license is present and current.
  • Check vehicle registration and insurance documents.
  • Ensure current vehicle inspection certificate is displayed.
  • Complete pre-trip inspection report and log any defects.
  • Review route information and special instructions.
  • Check fuel level and plan for refueling if needed.
  • Confirm emergency contact information is available.
  • Ensure vehicle is clean and ready for student passengers.