CDL Pre Trip Inspection App Free
What is a CDL?
A CDL is a commercial driver’s license, which gives you the ability to drive large commercial vehicles (school bus, delivery truck, tow truck, etc.).
Depending on what type of vehicle you want to operate, you’ll need to get a specific CDL class:
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Class A:
This class allows you to operate a combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 pounds or more, provided the towed vehicle(s) weighs more than 10,000 pounds. -
Class B:
This class allows you to operate a single vehicle with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, or any such vehicle towing another that does not exceed 10,000 pounds. -
Class C:
This class is required for vehicles designed to transport 16 or more passengers (including the driver) or for transporting hazardous materials that require placarding under federal law.
CDL License
CDL Skills Test Breakdown
What you must do:
Pre-Trip Inspection Test
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Walk around the vehicle and point out parts
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Explain what you’re checking and why
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Identify issues like:
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Leaks
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Cracks
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Loose or missing parts
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Main sections:
DOT Pre Trip inspection Checklist
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Engine compartment (belts, hoses, fluids)
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Front of vehicle (lights, windshield)
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Side of vehicle (tires, brakes, suspension)
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Rear (lights, reflectors, doors)
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In-cab check (gauges, steering, horn, mirrors)
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Air brake test (if applicable)
Basic Vehicle Control Skills Test
Road Test (On-Road Driving)
Real roads with an examiner.
Common maneuvers:
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Straight-line backing
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Offset backing (left or right)
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Parallel parking
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Alley dock (90-degree back)
You’ll be tested on:
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Starting and stopping smoothly
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Turning (especially wide turns)
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Lane changes and merging
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Obeying traffic signs and signals
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Checking mirrors and blind spots
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Railroad crossings (very important)
Critical mistakes to avoid:
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Rolling stops
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Not checking mirrors
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Hitting curbs
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Speeding or driving too fast for conditions
