Florida General Knowledge Test

From the I-4 corridor to the Florida Turnpike, this test covers what you'll really face on Florida roads.

140
Questions
80%
To Pass
60
Minutes

140 questions · 60 min time limit · 80% to pass

Opens in a practice window — choose your mode inside.

JM

Reviewed by Jack Mahana, CDL Instructor (13+ years)

Last verified: August 2026

All questions sourced from the official Florida CDL handbook and FMCSA regulations.

About the Florida General Knowledge Test

Florida's highways see it all. You'll navigate the I-95 rush near Daytona, haul produce on I-75 through tomato fields, and dodge thunderstorms on the Sunshine Skyway bridge. The General Knowledge test checks if you're ready for that reality.

Our practice questions pull straight from the Florida CDL handbook. We cover air brakes, combination vehicles, and the special rules for driving through construction zones on I-4. Each question includes a clear explanation so you understand why the answer is right.

You'll also learn how to handle Florida's unique conditions. Sudden rain squalls, high crosswinds on the Alligator Alley stretch, and the pressure of driving a 40-foot rig through Miami's tight streets – we cover it all. The test isn't just about passing; it's about surviving your first week on the job.

Take this practice test as many times as you need. Flag tough questions, review your weak spots, and build confidence before you walk into the DMV. No surprises, no guessing – just solid prep for Florida's CDL exam.

Florida's commercial driving environment is unlike anywhere else. The state blends dense urban corridors (Miami, Tampa, Orlando, Jacksonville), one of the country's longest stretches of coastal highway, and a year-round flow of tourists, retirees, and agricultural freight. Our general knowledge practice test mirrors the official Florida FLHSMV CDL written exam, so you'll study the same fundamentals the state tests at a driver license office.

Rain is the defining weather hazard. Florida's afternoon thunderstorms arrive suddenly and drop intense rain that overwhelms wipers and road drainage, and hydroplaning is a leading cause of commercial crashes in the state. You need to know how to slow down, avoid sudden moves, and give yourself longer following distances in the wet. Heat and humidity also stress tires and cooling systems year-round.

Flat, straight roads and long daylight hours invite driver fatigue, especially on the I-4, I-75, and Florida Turnpike corridors. The state's huge retiree population and tourist traffic mean you will constantly share the road with slower, unpredictable drivers — making defensive driving and scanning essential skills that the exam covers directly.

Topics Covered

Pre-trip inspections: Florida's heat and humidity crack hoses and fade tires faster – you must check them daily.
Air brakes: Stop a fully loaded rig on wet asphalt after a sudden Miami downpour – this section tests your air brake knowledge.
Safe driving techniques: Learn to merge safely on I-95 where traffic jumps from 55 to 70 mph in a quarter mile.
Transporting cargo: Secure loads for the bumpy roads of the Florida Keys and prevent shifting in hurricane evacuation zones.
Traffic laws: Know the fines for speeding in work zones on I-4 and when to yield to farm equipment on State Road 60.
Accident procedures: What to do if you hit a rogue alligator on US-27 – the handbook covers post-crash steps.

Study Tips

Read the Florida CDL Handbook from cover to cover. Pay extra attention to the chapter on driving in adverse weather – Florida's pop-up storms can cut visibility to zero in seconds. Highlight the sections on air brake pre-trip inspections and coupling procedures.

Take our practice test, then review each wrong answer by finding the exact page in the handbook. Repeat until you score 90% or higher. On test day, arrive early, bring your Florida ID, and remember: the exam runs on a computer, so read each question twice before you click.

Florida Specific Information

You can take the General Knowledge test at any Florida DMV or tax collector office that offers CDL services. Most locations require an appointment – walk-ins rarely work. Schedule online or call your local office. The test fee is $30 plus a $10 knowledge retest fee if you fail.

For the test, bring your valid Florida driver's license, your social security card, and proof of residency (like a utility bill). You'll also need a completed Medical Examiner's Certificate if you plan to drive interstate. Non-U.S. citizens must show their permanent resident card or valid work visa.

If you fail, you must wait at least one day before retaking the test. You get three tries within a year. After that, you'll need to reapply and pay the full fee again. Plan ahead and use our practice test to avoid those retake fees.

  • The Florida Department of Highway Safety and Motor Vehicles (FLHSMV) requires a knowledge test for all CDL classes; the general knowledge exam is the foundation exam.
  • Florida's speed limit is typically 70 mph on rural interstates; highways through urban areas drop to 60-65 mph and are strictly enforced.
  • Afternoon thunderstorms statewide create sudden, heavy rain and reduced visibility — wet-road following distance should be increased to avoid hydroplaning.
  • Flat terrain and low bridge clearances on some routes mean height awareness matters when hauling tall loads.
  • Orange and citrus harvest traffic and agricultural hauling are common on rural two-lane roads in central and south Florida.
  • Heat, humidity, and long daylight hours raise fatigue risk; knowing when to stop and rest is tested on the exam.

Frequently Asked Questions

Do I need a CDL to drive a box truck in Florida?
It depends on the weight. If your box truck has a GVWR over 26,000 pounds, or if you're hauling hazardous materials, yes. Check your vehicle's registration sheet for the exact weight.
How do I schedule my CDL skills test in Florida?
You book it online through the Florida DMV or call your local tax collector office. You must pass the General Knowledge test first. Schedule at least two weeks in advance – slots fill up fast.
Can I take the General Knowledge test in Spanish in Florida?
Yes. Florida offers the CDL written test in Spanish, Haitian Creole, and several other languages. Bring a translator if you want extra help – the DMV allows it.
What's the minimum age for a CDL in Florida?
You must be at least 18 for intrastate driving (within Florida) and 21 for interstate driving (across state lines). Also, you need a valid Florida driver's license for at least one year.
Are there any exemptions for farm vehicles in Florida?
Yes. If you drive a farm vehicle only within 150 miles of your farm and use it for agricultural purposes, you don't need a CDL. But you must still carry a valid Florida license and follow all traffic laws.
JM

Reviewed by Jack Mahana, CDL Instructor (13+ years)

Last verified: August 2026 · FMCSA-compliant content