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Complete CDL Guide 2026
Everything you need to get your commercial driver's license
Updated January 2026 · 15 min read
Quick Summary
Getting your CDL requires passing written, skills, and inspection tests. Timeline: 4-8 weeks. Cost: $100-$500 total.
Step 1: Meet Requirements
- Age 18+ (intrastate) or 21+ (interstate)
- Valid driver's license
- DOT medical certificate
- Clean driving record
Step 2: Get Medical Certificate
Find approved examiner at nationalregistry.fmcsa.dot.gov. Cost: $50-$150. Valid 2 years.
Step 3: Study for Written Test
4-week study plan:
- Week 1: Read CDL manual
- Week 2: Take practice tests
- Week 3: Focus on weak areas
- Week 4: Final review
Step 4: Pass Written Test
50 questions, need 80% to pass. Computerized, no time limit. Cost: $15-$25.
Step 5: Complete Skills Training
Options: CDL school ($3K-$7K, 3-8 weeks) or private practice (lower cost, self-paced).
Step 6: Pass Skills Test
Three parts: Pre-trip inspection, basic controls, road test. Cost: $40-$100.