🚛 Louisiana CDL Permit Practice Test Guide
Pass Your Louisiana CDL Written Test the First Time
DMV-Written-Test helps aspiring commercial drivers in Louisiana prepare with reliable, up-to-date practice exams based on the 2025 Louisiana Commercial Driver License (CDL) Manual. These CDL practice tests simulate the real exam administered by the Louisiana Office of Motor Vehicles (OMV).
Whether you’re applying for a Class A, B, or C CDL, our practice tests cover all essential knowledge areas including General Knowledge, Air Brakes, Combination Vehicles, and Louisiana-specific rules and laws.
For official CDL manuals, testing requirements, and license applications, visit the Louisiana OMV CDL page:
https://www.expresslane.org/Driver_Services/Commercial_Driver_Licenses
Get started today and pass your Louisiana CDL permit test with confidence!
📘 What to Expect on the Louisiana CDL Knowledge Test
Aspect
Details
Number of Questions
50 (General Knowledge)
Passing Score
80% (40 correct answers required)
Test Format
Multiple Choice
Time Limit
Usually 60 minutes
Minimum Age
18 (in-state); 21 for interstate or HazMat
Test Languages
English, Spanish (availability varies)
Endorsement Areas
Air Brakes, HazMat, Tankers, School Bus, Doubles/Triples
Retake Policy
Retake allowed next business day (fees may apply)
❓ Frequently Asked Questions
How do I qualify for a CDL permit in Louisiana?
You must be at least 18 years old, hold a valid Louisiana driver’s license, pass a vision exam, and pass the General Knowledge test.
Is Entry-Level Driver Training (ELDT) required?
Yes. ELDT is federally required before taking the CDL skills test or certain endorsement exams.
How long is the CDL permit valid in Louisiana?
The Commercial Learner’s Permit (CLP) is valid for 180 days and may be renewed once.
Can I take the CDL test in Spanish?
Yes. The knowledge test is available in Spanish, but HazMat must be taken in English.
What happens if I fail the knowledge test?
You may retake the test after one business day. Retest fees may apply.
What license is required before applying?
You must hold a valid Louisiana Class E driver’s license.
Are endorsement tests separate?
Yes. Each endorsement requires its own written test and may also include a skills test.
Can I transfer an out-of-state CDL to Louisiana?
Yes. You must transfer your CDL within 30 days of becoming a Louisiana resident.
What documents are needed for a CDL in Louisiana?
You’ll need proof of identity, residency, Social Security number, and legal presence.
Is TSA clearance required for HazMat?
Yes. You must pass a TSA background check to add or renew a HazMat endorsement.