Louisiana CDL General Knowledge study guide
Louisiana CDL General Knowledge · Work through your exam, one topic at a time.
The Louisiana CDL General Knowledge test is the written knowledge exam that the Louisiana Office of Motor Vehicles (OMV) uses as the entry gate to a Commercial Driver's License. Louisiana issues three basic classes of CDL - Class A, Class B, and Class C - and the general knowledge core is required before any class-specific or endorsement test. The Louisiana CDL General Knowledge study guide has 12 sections and about 3,738 words.
01Vehicle Inspection
Vehicle inspection is the first domain of the Louisiana CDL General Knowledge exam. It tests whether you can confirm a commercial vehicle is safe before, during, and after a trip, and whether you know the inspection items and air-brake checks examiners commonly ask about.
354 words, about 2 min02Basic Control
Basic control is the second domain of the Louisiana CDL General Knowledge exam. It tests whether you can start, steer, stop, and back a commercial vehicle smoothly and under control, including in tight spaces where a tractor-trailer does not track like a car.
345 words, about 2 min03Shifting
Shifting is the third domain of the Louisiana CDL General Knowledge exam. It tests whether you can select and change gears to keep the engine in its power band, control speed on grades, and avoid practices that damage the transmission or reduce control.
298 words, about 1 min04Seeing
Seeing is the fourth domain of the Louisiana CDL General Knowledge exam. It tests your visual search habits: how far ahead you look, how you use mirrors, and how you detect hazards before they become emergencies.
308 words, about 2 min05Communicating
Communicating is the fifth domain of the Louisiana CDL General Knowledge exam. It tests whether you signal your intentions early and clearly, and whether you use lights, horn, and lane position to tell other drivers what you are doing.
293 words, about 1 min06Speed and Space Management
Speed and space management is the sixth domain of the Louisiana CDL General Knowledge exam. It tests whether you choose a safe speed for conditions and keep enough space around the vehicle to stop, steer, or escape.
295 words, about 1 min07Emergency Maneuvers
Emergency maneuvers is the seventh domain of the Louisiana CDL General Knowledge exam. It tests how you respond when a tire fails, brakes fail, or another driver forces you off the road-situations where panic can turn a problem into a crash.
318 words, about 2 min08Hazard Awareness
Hazard awareness is the eighth domain of the Louisiana CDL General Knowledge exam. It tests whether you can read the road ahead, predict what other drivers may do, and choose a response before a hazard becomes an emergency.
278 words, about 1 min09Railroad Crossings
Railroad crossings are the ninth domain of the Louisiana CDL General Knowledge exam. It tests whether you approach crossings at a safe speed, obey both passive and active warnings, and avoid the deadliest mistake-stopping on the tracks.
326 words, about 2 min10Cargo
Cargo is the tenth domain of the Louisiana CDL General Knowledge exam. It tests whether you can secure a load, distribute weight legally, and recognize how cargo changes braking, steering, and clearance.
309 words, about 2 min11Fatigue
Fatigue is the eleventh domain of the Louisiana CDL General Knowledge exam. It tests whether you recognize when you are too tired to drive safely, understand the causes of driver fatigue, and know that rest-not caffeine or a cold blast of air-is the only real remedy.
326 words, about 2 min12Alcohol and Drugs
Alcohol and drugs is the twelfth domain of the Louisiana CDL General Knowledge exam. It tests the legal limits for commercial drivers, the effects of alcohol and drugs on driving, and the consequences of refusing a test or driving impaired.
288 words, about 1 min