Exam Domains
1 Vehicle Inspection
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2 Shifting and Backing
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3 Coupling and Uncoupling
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4 Pre-Trip Inspection
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5 Transporting Cargo Safely
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6 Traffic Laws and Safe Driving
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7 Hazardous Materials Awareness
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8 Mountain Driving and Special Situations
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Exam Details
Question TypesMultiple Choice
FormatLinear (computer-based at state DMV)
Online ProctoringNot available
ID RequirementsValid state-issued identification required. Must have a valid non-CDL driver's license to apply for a CDL learner's permit. DOT medical certificate (DOT physical) required for CDL issuance.
RenewalRequired -- CDL valid for 4–8 years depending on state. Renewal requires current DOT medical certificate. HazMat endorsement must be renewed every 5 years (TSA STA also renewed). Contact your state DMV for state-specific renewal requirements.
PrerequisitesRequired for all CDL applicants (Class A, B, and C) (recommended)
Retake PolicyTypical 14-day waiting period between failed attempts; exact policy varies by state. Some states impose additional fees for each retake attempt.