Louisiana General Knowledge Test
We've got 50 questions built from the Louisiana CDL manual — including how to handle I-10's bridge heights and Bayou State flood zones.
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Louisiana's General Knowledge test covers basic commercial driving rules. Pass this before you can get your learner's permit.
Key Topics
- •Vehicle inspection (pre-trip basics)
- •Speed and space management
- •Hazard and weather awareness
About the Louisiana General Knowledge Test
Topics Covered
- ✓Vehicle inspection procedures — Louisiana examiners check your pre-trip hard, especially lights and brakes because of frequent fog and rain
- ✓Basic control and backing — tight docks at Port of New Orleans and sugarcane loading areas mean you need precision backing
- ✓Speed management — understanding how bridge grades and curves on I-10 and I-310 affect stopping distance
- + 3 more topics
📘 Study Tips & State Info
Louisiana OMV examiners expect you to know the pre-trip inspection cold. They'll ask about the order — start at the front, go driver's side, then rear, then passenger side. Don't skip the coupling check if you're going for a Class A.
Pay attention to Louisiana-specific rules about emergency vehicles and school buses. We have a lot of rural two-lane roads where you'll encounter both. The manual says 'reduce speed to 25 mph' when passing a stopped school bus with flashing lights — that's on the test.
Weather questions are big here. Know the difference between 'hydroplaning' and 'standing water.' Understand that Louisiana's humidity can cause brake fade faster on long downgrades like the I-10 bridge over the Atchafalaya. Study the air brake section twice — it's always the hardest part for students.
You take the General Knowledge test at any Louisiana OMV office that offers CDL testing. You'll need to schedule an appointment — walk-ins aren't guaranteed. Bring your Social Security card, proof of Louisiana residency (two documents), and a valid Medical Examiner's Certificate. The test fee is $15 for the written exam.
Louisiana uses a computer-based test with 50 multiple-choice questions. You get 60 minutes. If you fail, you can retake it the next business day — no waiting period. But you'll pay the $15 again.
After you pass, you get a Commercial Learner's Permit valid for 180 days. You must hold it for 14 days before taking the skills test. Some OMV offices — like the one on Veterans Boulevard in Metairie — are busier than others, so book early.
About the Louisiana General Knowledge Test
The Louisiana General Knowledge test is the first step for every CDL applicant in the state. It covers vehicle inspection, basic control, shifting, backing, and how to handle Louisiana's unique roads. You'll need 40 out of 50 to pass — that's 80%.
Louisiana's not like driving in Kansas. We've got the I-10 bridge over the Atchafalaya Basin, 18 miles of elevated highway with no shoulders. We've got drawbridges in New Orleans, flooding on I-12 near the Tickfaw River, and chemical plant traffic around Geismar. The test expects you to know how to adjust for these conditions.
Every OMV office in Louisiana uses the same computer-based test. You'll take it when you apply for your commercial learner's permit. The questions come straight from the Louisiana CDL manual — no surprises if you study the right material.
Topics Covered
Study Tips
Louisiana OMV examiners expect you to know the pre-trip inspection cold. They'll ask about the order — start at the front, go driver's side, then rear, then passenger side. Don't skip the coupling check if you're going for a Class A.
Pay attention to Louisiana-specific rules about emergency vehicles and school buses. We have a lot of rural two-lane roads where you'll encounter both. The manual says 'reduce speed to 25 mph' when passing a stopped school bus with flashing lights — that's on the test.
Weather questions are big here. Know the difference between 'hydroplaning' and 'standing water.' Understand that Louisiana's humidity can cause brake fade faster on long downgrades like the I-10 bridge over the Atchafalaya. Study the air brake section twice — it's always the hardest part for students.
Louisiana Specific Information
You take the General Knowledge test at any Louisiana OMV office that offers CDL testing. You'll need to schedule an appointment — walk-ins aren't guaranteed. Bring your Social Security card, proof of Louisiana residency (two documents), and a valid Medical Examiner's Certificate. The test fee is $15 for the written exam.
Louisiana uses a computer-based test with 50 multiple-choice questions. You get 60 minutes. If you fail, you can retake it the next business day — no waiting period. But you'll pay the $15 again.
After you pass, you get a Commercial Learner's Permit valid for 180 days. You must hold it for 14 days before taking the skills test. Some OMV offices — like the one on Veterans Boulevard in Metairie — are busier than others, so book early.