Louisiana CDL — General Knowledge practice
Louisiana CDL — General Knowledge: Penalties & Licensing practice test
The point system, license suspension, provisional-license rules, insurance requirements, and other licensing basics.
Content reviewed against official driver handbooks · August 12, 2026
14 questions · pass with 11 correct. You get instant feedback and an explanation after every answer.
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12 sample Penalties & Licensing questions with the correct answer, a short explanation, and the official handbook reference. Read through them, then take the quiz above.
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1. What is required before you can be issued a hazardous materials (H) endorsement?
Correct answer: Fingerprinting and a background check
The H endorsement requires submitting fingerprints and passing a background check in addition to a written test.
Source: Louisiana CDL Manual, Section 1.3.6 (Hazardous Materials Endorsement Background Check)
2. In Louisiana, what minimum age is required to drive a commercial vehicle in interstate commerce?
Correct answer: 21 years old
You must be at least 21 years old to operate a Louisiana CDL vehicle in interstate commerce.
Source: Louisiana CDL Manual, Louisiana Classes of Driver's License
3. Three or more serious traffic violations within three years cost your CDL for at least how long?
Correct answer: At least 120 days
Three or more serious traffic violations within three years result in a disqualification of at least 120 days.
Source: Louisiana CDL Manual, Section 1.3.3 (Serious Traffic Violations)
4. Which endorsement is required to pull double or triple trailers?
Correct answer: The T endorsement
The 'T' endorsement is needed to pull double or triple trailers.
Source: Louisiana CDL Manual, Section 1.1 (CDL Endorsements)
5. Excessive speeding, one of the serious traffic violations, means driving how far over the posted limit?
Correct answer: 15 mph or more over the posted limit
Excessive speeding is defined as traveling 15 mph or more above the posted speed limit.
Source: Louisiana CDL Manual, Section 1.3.3 (Serious Traffic Violations)
6. A Class A commercial driver license covers which vehicles?
Correct answer: Combinations rated 26,001 pounds or more towing over 10,000 pounds
Class A applies to combination vehicles rated at 26,001 pounds or more GCWR when the trailer being towed exceeds 10,000 pounds.
Source: Louisiana CDL Manual, Section 1.1 (CDL Classifications)
7. What does the CDL restriction code 'E' mean?
Correct answer: No manual transmission
An 'E' restriction means the driver may not operate a CMV equipped with a manual transmission, usually because the skills test was taken in an automatic.
Source: Louisiana CDL Manual, Section 1.1 (Restrictions)
8. A Class C CDL is required for a small vehicle only when it does what?
Correct answer: Carries 16 or more people or placarded hazmat
A small vehicle requires a Class C CDL only if it is built to carry at least 16 occupants counting the driver, or it transports placarded hazardous materials.
Source: Louisiana CDL Manual, Section 1.1 (CDL Classifications)
9. The first time a driver disobeys an out-of-service order, the CDL is lost for a minimum of how long?
Correct answer: At least 180 days
A first out-of-service order violation results in a disqualification of at least 180 days.
Source: Louisiana CDL Manual, Section 1.3.4 (Violation of Out-of-Service Orders)
10. Two serious traffic violations in a commercial vehicle within a three-year period cost your CDL for at least how long?
Correct answer: At least 60 days
Committing two serious traffic violations within three years results in losing your CDL for at least 60 days.
Source: Louisiana CDL Manual, Section 1.3.3 (Serious Traffic Violations)
11. The CDL skills test consists of which three segments, taken in order?
Correct answer: Vehicle inspection, basic control, and on-road driving
The skills test comes in three ordered segments: the vehicle inspection, basic control of the vehicle, and driving on the road.
Source: Louisiana CDL Manual, Section 1.1.2 (Skills Tests)
12. A first railroad-highway grade crossing violation costs your CDL for at least how long?
Correct answer: At least 60 days
The first railroad grade crossing violation results in losing your CDL for at least 60 days.
Source: Louisiana CDL Manual, Section 1.3.5 (Railroad-highway Grade Crossing Violations)
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Every Louisiana question is written from the official Louisiana driver handbook and checked against its current edition. DMV Test Free is a free, independent study resource — not affiliated with any DMV or government agency. About DMV Test Free