New Jersey CDL knowledge test: what is different

New Jersey makes you wait seven days after a failed knowledge test, gives the tests in English or Spanish (the HazMat test in English only, with no interpreters), and charges a $125 test receipt before you start.

New Jersey test facts

Fact	New Jersey	Source	Checked
General test	50 questions, plus a separate test for each endorsement	NJ Motor Vehicle Commission, CDL Tests	2026-10-27
Pass mark	At least 80% on each knowledge test	NJ Motor Vehicle Commission, CDL Tests	2026-10-27
Language	English or Spanish; the HazMat test is English only. No interpreters, and no audio tests	NJ Motor Vehicle Commission, CDL questions and answers	2026-10-27
After a fail	Wait seven days before taking the same knowledge test again. Scores stay valid for 360 days	NJ Motor Vehicle Commission, CDL Tests	2026-10-27
Fees	$125 test receipt (not refundable, valid 180 days); $42 for a four-year CDL, plus $2 for each endorsement	NJ Motor Vehicle Commission, license and permit fees	2026-10-27
New Jersey rule	Every passenger (P) endorsement holder must keep a medical examiner's certificate on file, whatever kind of driving they do. A learner's permit is valid for 180 days	NJ Motor Vehicle Commission, Commercial Learner Permits	2026-10-27

Where each chapter is in the New Jersey manual

Pages in the New Jersey manual (PDF page numbers, checked 2026-10-27).

Examlane chapter	New Jersey page
1 Section 1: introduction, tests and disqualifications	p. 7
2.1 Vehicle inspection	p. 19
2.2 Basic control of your vehicle	p. 26
2.3 Shifting gears	p. 27
2.4 Seeing	p. 28
2.5 Communicating	p. 29
2.6 Controlling speed	p. 32
2.7 Managing space	p. 34
2.8 Seeing hazards	p. 37
2.9 Distracted driving	p. 39
2.10 Aggressive drivers	p. 42
2.11 Driving at night	p. 43
2.12 Driving in fog	p. 46
2.13 Winter driving	p. 46
2.14 Hot weather	p. 47
2.15 Railroad crossings	p. 48
2.16 Mountain driving	p. 50
2.17 Driving emergencies	p. 52
2.18 Antilock brakes	p. 54
2.19 Skids	p. 55
2.20 Crashes	p. 56
2.21 Fires	p. 57
2.22 Alcohol and drugs	p. 58
2.23 Staying alert	not in this manual
2.24 Hazardous materials basics	p. 60 (their 2.23)
3 Section 3: transporting cargo	p. 64
4 Section 4: passenger	p. 68
5 Section 5: air brakes	p. 72
6 Section 6: combination vehicles	p. 82
7 Section 7: doubles and triples	p. 96
8 Section 8: tank vehicles	p. 101
9 Section 9: hazardous materials	p. 104
10 Section 10: school buses	p. 127

What Examlane does for New Jersey

When you choose New Jersey, the General Knowledge mock test has 50 questions and needs 80%.
The HazMat practice is in English, as the New Jersey HazMat test is.

Practice and choose New Jersey when asked.

Changes

2026-10-27: test length, pass mark, languages, waiting period and fees checked against the NJ Motor Vehicle Commission CDL pages.

Checked by the Examlane team. If New Jersey's own site differs, it wins; tell us at [email protected].