Florida CDL Study Guide
The Florida Department of Highway Safety and Motor Vehicles (FLHSMV) oversees Commercial Driver Licenses. FLHSMV publishes the Florida CDL Handbook and a supplement on flhsmv.gov. Knowledge tests are taken at FLHSMV or tax collector offices, and skills tests are taken at FLHSMV-contracted third-party testing sites.
Key Florida 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 Florida 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 knowledge test, you can retake it after the FLHSMV-required wait. Skills test retakes are scheduled and paid through the third-party testing site. Keep a current CLP while you wait.
Frequently asked questions
What is the minimum age for a Florida CDL?
18 for intrastate driving in Florida and 21 for interstate driving or hazardous materials.
How long must I hold a Florida CLP before the skills test?
At least 14 days, per federal rule.
How much does a Florida CDL cost?
About $27.25 for the CLP ($6.25 + $21) and $75 for the CDL. Endorsements are $7 each. Skills test fees are set by third-party sites.
Does Florida require ELDT?
Yes. First-time CDL applicants and first-time P, S, or H endorsement applicants must complete ELDT through an FMCSA-registered provider.
Where do I take the CDL skills test in Florida?
At a FLHSMV-contracted third-party testing site. FLHSMV publishes a directory of approved testers.
Where is the official Florida CDL Handbook?
On the FLHSMV website at flhsmv.gov/pdf/handbooks/englishcdlhandbook.pdf.
Free practice
Start a Florida General Knowledge quiz →
Sources: FLHSMV Commercial Driver License Florida CDL Handbook (PDF) FLHSMV Handbooks u0026 Manuals FLHSMV CDL Medical Certification