Florida CDL Practice Test 2026

1. Question 1 of 20

   A Florida driver accumulates how many points within a 12-month period before the HSMV automatically suspends the driver's license for 30 days?

   1. A18 points
   2. B6 points
   3. C12 points
   4. D10 points

2. Question 2 of 20

   A Florida CDL driver who fails to submit an updated Medical Examiner's Certificate before it expires will have their CDL privilege:

   1. AConverted to an intrastate-only CDL automatically
   2. BDowngraded to a non-commercial driver license
   3. CFined but not otherwise affected
   4. DAutomatically extended by 60 days

3. Question 3 of 20

   Which of the following is the FIRST step of the seven-step pre-trip inspection method?

   1. AVehicle overview - approach the vehicle and review the last vehicle inspection report
   2. BTest the service brakes
   3. CCheck the engine compartment
   4. DStart the engine and check the gauges

4. Question 4 of 20

   Under federal rules, a CMV driver is disqualified for at least one year on a first offense if found driving with a Blood Alcohol Concentration (BAC) of at least:

   1. A0.08
   2. B0.10
   3. C0.02
   4. D0.04

5. Question 5 of 20

   Under federal regulations, what is the minimum tread depth for the front (steer axle) tires of a CMV?

   1. A8/32 of an inch
   2. B2/32 of an inch
   3. C4/32 of an inch
   4. D6/32 of an inch

6. Question 6 of 20

   Empty trucks generally require:

   1. ALonger stopping distances because they have less traction
   2. BShorter stopping distances than loaded trucks because they are lighter
   3. CNo braking ability at all without a load
   4. DThe same stopping distance as loaded trucks

7. Question 7 of 20

   'GOAL' is a common CDL rule for backing that stands for:

   1. AGet Out And Look
   2. BGrip On And Lock
   3. CGauge Overhead And Length
   4. DGo Over All Lights

8. Question 8 of 20

   Research shows that texting while driving a CMV makes a safety-critical event how many times more likely?

   1. ANo measurable increase in risk
   2. BAbout 23 times more likely
   3. CAbout 6 times more likely
   4. DAbout 2 times more likely

9. Question 9 of 20

   You need to warn other drivers that there is trouble ahead. The safest way to do this is to:

   1. ADirect traffic by signaling drivers behind you
   2. BHonk the horn several times
   3. CWave your arm out the window
   4. DTap your brake pedal a few times to flash the brake lights

10. Question 10 of 20

    At the scene of an accident, the driver's first priorities should be to:

    1. AProtect the scene (warning devices, flashers), notify authorities, and care for the injured
    2. BCall your dispatcher before calling 911
    3. CMove vehicles immediately so traffic can flow
    4. DLeave the scene and file a report later

11. Question 11 of 20

    Before crossing railroad tracks, you should be sure you have enough room on the far side so that:

    1. AYour entire vehicle can clear the tracks without stopping on them
    2. BOnly the tractor clears the tracks
    3. CYour trailer wheels rest on the tracks
    4. DYou can stop on the far rail to check mirrors

12. Question 12 of 20

    You are approaching a railroad crossing with no gates or flashing lights. You should:

    1. AContinue through without slowing as long as no train is in sight
    2. BStop on the tracks and look both ways
    3. CSlow down, look and listen in both directions, and only cross if you can clear the tracks completely
    4. DShift gears while crossing to be ready to accelerate

13. Question 13 of 20

    The application pressure gauge shows:

    1. AThe pressure currently stored in the reservoirs
    2. BThe pressure at which the safety valve will open
    3. CHow much air pressure is being applied to the brakes
    4. DHow much air the compressor is pumping

14. Question 14 of 20

    What color is the emergency (supply) air line and what color is the service air line on most combinations?

    1. AEmergency is green; service is yellow
    2. BBoth are black
    3. CEmergency is red; service is blue
    4. DEmergency is blue; service is red

15. Question 15 of 20

    Under 49 CFR 397.15, when a motor vehicle containing hazardous materials is being fueled:

    1. AOnly diesel fuel is permitted for hazmat vehicles
    2. BThe engine must not be operating, and a person must be in control of the fueling at the fill point
    3. CFueling may be done unattended if the nozzle is locked open
    4. DThe engine may keep running as long as the AC is off

16. Question 16 of 20

    An interior bus mirror near the front windshield is primarily used to:

    1. ACheck the engine temperature
    2. BSee passengers inside the bus for safety and behavior monitoring
    3. CAdjust the destination sign
    4. DReplace the outside mirrors

17. Question 17 of 20

    When loading a flammable liquid into a cargo tank, a grounding wire is used to:

    1. AConfirm the emergency shut-off is working before transfer
    2. BPrevent static electricity from igniting vapors
    3. CComplete the electrical circuit that powers the loading pump
    4. DBleed off pressure that builds up inside the tank while filling

18. Question 18 of 20

    If a school bus driver must back up on school property, the safest procedure is to:

    1. ARely on the bus backup camera only
    2. BBack slowly using only the mirrors and a tap on the horn
    3. CSend a student out to watch behind the bus
    4. DUse a qualified adult spotter outside the bus to guide the driver

19. Question 19 of 20

    On a converter dolly and on trailers, the emergency (supply) air line is color-coded and labeled:

    1. AGreen
    2. BBlue
    3. CYellow
    4. DRed

20. Question 20 of 20

    A downward-pointing triangle with a red border most often communicates which message?

    1. AMerge ahead
    2. BNo outlet
    3. CYield the right of way
    4. DStop completely

Practice by test

• General Knowledge Practice TestTaken by every CDL applicant, whatever the license class.
• Air Brakes Practice TestRequired if your vehicle has air brakes, including air over hydraulic.
• Combination Vehicles Practice TestRequired for a Class A license.
• Hazmat Practice TestH endorsement. Also needs a TSA background check.
• Passenger Practice TestP endorsement, for vehicles that carry 16 or more people.
• Tank Vehicles Practice TestN endorsement, for tanks over 119 gallons each and 1,000 combined.
• School Bus Practice TestS endorsement, for driving a school bus.
• Doubles and Triples Practice TestT endorsement, for pulling double or triple trailers.
• Road Signs PracticeSigns, signals and pavement markings, as a refresher.

How the Florida CDL knowledge tests work

Florida CDL Exam is an independent study aid. It is not affiliated with, endorsed by, or approved by the FLHSMV, the FMCSA, or any Department of Transportation. Questions are original, written from the public Florida CDL Handbook, and are not actual exam questions. Read the official Florida CDL Handbook (PDF).