Wyoming CDL Study Guide
Wyoming issues commercial driver licenses through the Wyoming Department of Transportation Driver Services Program. The state follows federal CDL rules in its CDL Manual. You can drive a commercial vehicle inside Wyoming at 18. You must be 21 to drive across state lines or carry hazardous materials.
Key Wyoming numbers
- Minimum age (intrastate): 18
- Minimum age (interstate or hazmat): 21
- CLP hold before skills test: at least 14 days
- General Knowledge passing score: 80%
- General Knowledge test: ~50 questions
- Air Brakes test: ~25 questions (required if your vehicle has air brakes)
- Combination Vehicles test: ~20 questions (required for Class A)
Topics on the Wyoming General Knowledge test
- Vehicle inspection (pre-trip, en-route, post-trip)
- Driving safely (speed management, space management, hazard perception)
- Transporting cargo safely
- Air brakes (if your vehicle is air-braked)
- Combination vehicles (Class A)
If you fail a test
If you fail a CDL knowledge test in Wyoming, you may retake it at no additional charge (written tests are free). If you fail the skills test, the $85 fee is required again.
Frequently asked questions
How old do I need to be to get a CDL in Wyoming?
You must be at least 18 to drive a commercial vehicle inside Wyoming. You must be 21 to drive across state lines or carry hazardous materials.
How long must I hold my Wyoming CLP before the skills test?
You must hold your Commercial Learneru0027s Permit for at least 14 days before you can take the CDL skills test.
How much does a Wyoming CDL cost?
The CLP is $45, the skills exam is $85, and the CDL is $55. Knowledge tests are free.
Do I need to take Entry-Level Driver Training in Wyoming?
Yes. If you are getting your first Class A or B CDL, or your first H, P, or S endorsement, you must complete federal ELDT from an FMCSA-registered provider.
Do I need a DOT medical card to get a Wyoming CDL?
Yes. You must complete a DOT medical exam and submit your Medical Examineru0027s Certificate to WYDOT.
What is the official Wyoming CDL manual?
The Wyoming CDL Manual (October 2024 edition) is the official study guide. You can download it free from dot.state.wy.us.
Free practice
Start a Wyoming General Knowledge quiz →
Sources: Wyoming CDL Manual PDF (October 2024) WYDOT Commercial License page WYDOT Driver License Fee Update WYDOT Driver Manuals page