NJ CDL General Knowledge study plan
NJ CDL General Knowledge · Give each week a clear focus.
8 weeks · About 7 hours per week
Vehicle Inspection and Basic Control & Seeing and Communicating
List every item in the pre-trip inspection sequence from memory, in order, before checking any reference material.
Explain, in your own words, the difference between a service brake check, a parking brake check, and a leak-rate check, and when each is performed.
Describe the correct mirror adjustment procedure and identify the four blind spots a CDL driver must monitor.
Practice signaling lane changes, turns, and stops with correct timing and hand signals, and state the distance at which a turn signal must be activated.
Your checkpoint
A written pre-trip inspection checklist covering all major systems, scored against the official NJ CDL manual's inspection section with every missed item corrected in a different color.
Shifting, Backing, and Turning & Speed and Space Management
Demonstrate the geometry of a right turn, including off-tracking and the pivot point, and state why a large vehicle must swing left before turning right.
Explain the procedures for backing straight, backing while turning, and backing from a blind-side versus sight-side position.
Calculate following distance using the one-second-per-ten-feet rule at 30, 45, and 55 mph, and state the minimum following distance for a 60-foot vehicle at 50 mph.
Identify the conditions that require reducing speed below the posted limit, including curves, downgrades, and rain.
Describe how to judge clearance height and width before entering an underpass or narrow lane.
Your checkpoint
A one-page speed and space reference sheet with worked following-distance calculations for five vehicle lengths and three speeds, plus a written right-turn walkthrough.
Night Driving and Extreme Conditions & Hazard Perception and Emergencies
List the adjustments a driver must make at night, including speed reduction, headlight use, and glare management.
Describe the correct response to a tire blowout, a brake failure, and a stuck accelerator, in order of actions.
Explain the procedures for driving in fog, heavy rain, snow, and ice, and state when to stop rather than continue.
Identify the warning signs of a distracted or fatigued driver and state the required response.
Describe what to do at a railroad crossing, including the stop-and-look procedure for a vehicle carrying hazardous materials.
Your checkpoint
A set of ten emergency scenario cards, each with the situation, the correct action sequence, and the reason for each step, self-graded against the manual.
Skid Control, Braking, and Vehicle Systems & Vehicle Combination and Air Brakes Overview
Explain how to recognize and correct a drive-wheel skid, a front-wheel skid, and a trailer skid, and state the role of the trailer hand valve.
Describe the components and function of a dual air brake system, including the supply circuit, the primary circuit, and the secondary circuit.
Explain the air brake tests: static leak test, applied leak test, low-pressure warning test, and the spring brake test, with pass criteria.
Describe how to use the parking brake and the trailer protection valve, and explain why the tractor protection valve matters during a breakaway.
Identify the causes of brake fade and the correct response on a long downgrade.
Your checkpoint
A completed air brake test procedure sheet listing each test, the steps, the acceptable gauge readings, and the action to take on failure.
Cargo, Securement, and Weight Limits & Driver Qualification, Hours of Service, and Safety Rules
Compute gross vehicle weight, gross combination weight, and axle weight limits, and explain the bridge formula in plain terms.
Describe the cargo securement requirements for tiedowns, including the number required and the aggregate working load limit rule.
Explain the hours-of-service limits for property-carrying drivers, including the 11-hour driving limit, the 14-hour window, and the 30-minute break.
List the driver qualification requirements, including medical certification, the road test, and the employment application.
Describe the inspection and maintenance rules a driver must follow, including the post-trip inspection report.
Your checkpoint
A worked weight and securement problem set of eight problems with answers, plus a one-page hours-of-service summary in your own words.
Alcohol, Drugs, and Personal Safety & Driver Qualification, Hours of Service, and Safety Rules
State the CDL alcohol concentration limits and the consequences of a first and second offense under the rules.
Explain the role of a supervisor in reasonable suspicion testing and the driver's obligations.
Describe the effects of common over-the-counter and prescription drugs on driving, and state why a driver must report medication use.
Explain the personal safety practices for loading, unloading, and stopping in unfamiliar areas.
Describe the fatigue management rules and the signs that require a driver to stop and rest.
Your checkpoint
A two-page personal safety and substance rules summary with ten self-written test questions and verified answers.
Vehicle Inspection and Basic Control & Speed and Space Management & Skid Control, Braking, and Vehicle Systems
Re-run the full pre-trip inspection from memory and score it against week one's checklist, targeting 100 percent.
Re-solve the following-distance and stopping-distance problems without notes and check against week two's sheet.
Complete a timed 50-question mixed practice set across domains 1, 4, and 7 and review every missed item.
Explain how weight transfer affects braking distance on a loaded versus empty vehicle.
Your checkpoint
A timed 50-question practice score with a written review log of every missed question and the corrected reasoning.
Shifting, Backing, and Turning & Seeing and Communicating & Night Driving and Extreme Conditions & Hazard Perception and Emergencies & Cargo, Securement, and Weight Limits & Vehicle Combination and Air Brakes Overview & Driver Qualification, Hours of Service, and Safety Rules & Alcohol, Drugs, and Personal Safety
Complete two full-length timed practice exams under test conditions and record both scores.
Review every missed question from both exams and group errors by domain to identify the weakest area.
Re-study the two weakest domains using the study sheets from earlier weeks and re-test those domains.
Recite the hours-of-service limits and the air brake test steps from memory without notes.
Your checkpoint
Two completed timed exam scores, a domain-by-domain error tally, and a final one-page cheat sheet covering only the facts you missed most often.
Milestones
Week 2: Recite the pre-trip inspection sequence and the right-turn procedure from memory with no more than two omissions.
Week 4: Score at least 80 percent on a 40-question practice set covering domains 1 through 7, with no more than three errors in the air brake section.
Week 6: Score at least 85 percent on a 50-question mixed practice set, and state the hours-of-service limits and alcohol rules from memory.
Week 8: Score at least 90 percent on two consecutive full-length timed practice exams before scheduling the NJ knowledge test.